[240343] [Hibernate] Exception: No annotated model element present for: ISingleRefContainer for type EClass has its epackage been registered with Teneo?

https://bugs.eclipse.org/bugs/show_bug.cgi?id=240343

66 files changed, 9701 insertions, 0 deletions

diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ContainedElementNoOpposite.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ContainedElementNoOpposite.java
new file mode 100644
index 0000000000..0b147d3873
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ContainedElementNoOpposite.java
@@ -0,0 +1,55 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: ContainedElementNoOpposite.java,v 1.1 2008-07-10 15:42:26 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.cdo.CDOObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Contained Element No Opposite</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.ContainedElementNoOpposite#getName <em>Name</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package#getContainedElementNoOpposite()
+ * @model
+ * @extends CDOObject
+ * @generated
+ */
+public interface ContainedElementNoOpposite extends CDOObject {
+	/**
+	 * Returns the value of the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Name</em>' attribute isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Name</em>' attribute.
+	 * @see #setName(String)
+	 * @see org.eclipse.emf.cdo.tests.model4.model4Package#getContainedElementNoOpposite_Name()
+	 * @model
+	 * @generated
+	 */
+	String getName();
+
+	/**
+	 * Sets the value of the '{@link org.eclipse.emf.cdo.tests.model4.ContainedElementNoOpposite#getName <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Name</em>' attribute.
+	 * @see #getName()
+	 * @generated
+	 */
+	void setName(String value);
+
+} // ContainedElementNoOpposite
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/GenRefMultiContained.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/GenRefMultiContained.java
new file mode 100644
index 0000000000..9b8aafb4fa
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/GenRefMultiContained.java
@@ -0,0 +1,49 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: GenRefMultiContained.java,v 1.1 2008-07-10 15:42:27 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.cdo.CDOObject;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Gen Ref Multi Contained</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.GenRefMultiContained#getElements <em>Elements</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package#getGenRefMultiContained()
+ * @model
+ * @extends CDOObject
+ * @generated
+ */
+public interface GenRefMultiContained extends CDOObject {
+	/**
+	 * Returns the value of the '<em><b>Elements</b></em>' containment reference list.
+	 * The list contents are of type {@link org.eclipse.emf.ecore.EObject}.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Elements</em>' containment reference list isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Elements</em>' containment reference list.
+	 * @see org.eclipse.emf.cdo.tests.model4.model4Package#getGenRefMultiContained_Elements()
+	 * @model containment="true"
+	 * @generated
+	 */
+	EList<EObject> getElements();
+
+} // GenRefMultiContained
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/GenRefMultiNonContained.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/GenRefMultiNonContained.java
new file mode 100644
index 0000000000..b404672c9b
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/GenRefMultiNonContained.java
@@ -0,0 +1,49 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: GenRefMultiNonContained.java,v 1.1 2008-07-10 15:42:26 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.cdo.CDOObject;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Gen Ref Multi Non Contained</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.GenRefMultiNonContained#getElements <em>Elements</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package#getGenRefMultiNonContained()
+ * @model
+ * @extends CDOObject
+ * @generated
+ */
+public interface GenRefMultiNonContained extends CDOObject {
+	/**
+	 * Returns the value of the '<em><b>Elements</b></em>' reference list.
+	 * The list contents are of type {@link org.eclipse.emf.ecore.EObject}.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Elements</em>' reference list isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Elements</em>' reference list.
+	 * @see org.eclipse.emf.cdo.tests.model4.model4Package#getGenRefMultiNonContained_Elements()
+	 * @model
+	 * @generated
+	 */
+	EList<EObject> getElements();
+
+} // GenRefMultiNonContained
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/GenRefSingleContained.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/GenRefSingleContained.java
new file mode 100644
index 0000000000..a3bdc150aa
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/GenRefSingleContained.java
@@ -0,0 +1,57 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: GenRefSingleContained.java,v 1.1 2008-07-10 15:42:26 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.cdo.CDOObject;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Gen Ref Single Contained</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.GenRefSingleContained#getElement <em>Element</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package#getGenRefSingleContained()
+ * @model
+ * @extends CDOObject
+ * @generated
+ */
+public interface GenRefSingleContained extends CDOObject {
+	/**
+	 * Returns the value of the '<em><b>Element</b></em>' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Element</em>' containment reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Element</em>' containment reference.
+	 * @see #setElement(EObject)
+	 * @see org.eclipse.emf.cdo.tests.model4.model4Package#getGenRefSingleContained_Element()
+	 * @model containment="true"
+	 * @generated
+	 */
+	EObject getElement();
+
+	/**
+	 * Sets the value of the '{@link org.eclipse.emf.cdo.tests.model4.GenRefSingleContained#getElement <em>Element</em>}' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Element</em>' containment reference.
+	 * @see #getElement()
+	 * @generated
+	 */
+	void setElement(EObject value);
+
+} // GenRefSingleContained
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/GenRefSingleNonContained.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/GenRefSingleNonContained.java
new file mode 100644
index 0000000000..61018bbad2
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/GenRefSingleNonContained.java
@@ -0,0 +1,57 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: GenRefSingleNonContained.java,v 1.1 2008-07-10 15:42:26 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.cdo.CDOObject;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Gen Ref Single Non Contained</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.GenRefSingleNonContained#getElement <em>Element</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package#getGenRefSingleNonContained()
+ * @model
+ * @extends CDOObject
+ * @generated
+ */
+public interface GenRefSingleNonContained extends CDOObject {
+	/**
+	 * Returns the value of the '<em><b>Element</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Element</em>' reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Element</em>' reference.
+	 * @see #setElement(EObject)
+	 * @see org.eclipse.emf.cdo.tests.model4.model4Package#getGenRefSingleNonContained_Element()
+	 * @model
+	 * @generated
+	 */
+	EObject getElement();
+
+	/**
+	 * Sets the value of the '{@link org.eclipse.emf.cdo.tests.model4.GenRefSingleNonContained#getElement <em>Element</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Element</em>' reference.
+	 * @see #getElement()
+	 * @generated
+	 */
+	void setElement(EObject value);
+
+} // GenRefSingleNonContained
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplContainedElementNPL.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplContainedElementNPL.java
new file mode 100644
index 0000000000..cc43b8bf3c
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplContainedElementNPL.java
@@ -0,0 +1,23 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: ImplContainedElementNPL.java,v 1.1 2008-07-10 15:42:26 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.cdo.tests.model4interfaces.IContainedElementNoParentLink;
+import org.eclipse.emf.cdo.tests.model4interfaces.INamedElement;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Impl Contained Element NPL</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ *
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package#getImplContainedElementNPL()
+ * @model
+ * @generated
+ */
+public interface ImplContainedElementNPL extends IContainedElementNoParentLink, INamedElement {
+} // ImplContainedElementNPL
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplMultiRefContainedElement.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplMultiRefContainedElement.java
new file mode 100644
index 0000000000..98c2c019ef
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplMultiRefContainedElement.java
@@ -0,0 +1,54 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: ImplMultiRefContainedElement.java,v 1.1 2008-07-10 15:42:26 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefContainedElement;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Impl Multi Ref Contained Element</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.ImplMultiRefContainedElement#getName <em>Name</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package#getImplMultiRefContainedElement()
+ * @model
+ * @generated
+ */
+public interface ImplMultiRefContainedElement extends IMultiRefContainedElement {
+	/**
+	 * Returns the value of the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Name</em>' attribute isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Name</em>' attribute.
+	 * @see #setName(String)
+	 * @see org.eclipse.emf.cdo.tests.model4.model4Package#getImplMultiRefContainedElement_Name()
+	 * @model
+	 * @generated
+	 */
+	String getName();
+
+	/**
+	 * Sets the value of the '{@link org.eclipse.emf.cdo.tests.model4.ImplMultiRefContainedElement#getName <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Name</em>' attribute.
+	 * @see #getName()
+	 * @generated
+	 */
+	void setName(String value);
+
+} // ImplMultiRefContainedElement
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplMultiRefContainer.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplMultiRefContainer.java
new file mode 100644
index 0000000000..29a69a8baa
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplMultiRefContainer.java
@@ -0,0 +1,22 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: ImplMultiRefContainer.java,v 1.1 2008-07-10 15:42:26 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefContainer;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Impl Multi Ref Container</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ *
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package#getImplMultiRefContainer()
+ * @model
+ * @generated
+ */
+public interface ImplMultiRefContainer extends IMultiRefContainer {
+} // ImplMultiRefContainer
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplMultiRefContainerNPL.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplMultiRefContainerNPL.java
new file mode 100644
index 0000000000..2898c02e21
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplMultiRefContainerNPL.java
@@ -0,0 +1,22 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: ImplMultiRefContainerNPL.java,v 1.1 2008-07-10 15:42:26 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefContainerNPL;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Impl Multi Ref Container NPL</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ *
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package#getImplMultiRefContainerNPL()
+ * @model
+ * @generated
+ */
+public interface ImplMultiRefContainerNPL extends IMultiRefContainerNPL {
+} // ImplMultiRefContainerNPL
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplMultiRefNonContainedElement.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplMultiRefNonContainedElement.java
new file mode 100644
index 0000000000..aa49a36296
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplMultiRefNonContainedElement.java
@@ -0,0 +1,54 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: ImplMultiRefNonContainedElement.java,v 1.1 2008-07-10 15:42:26 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefNonContainedElement;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Impl Multi Ref Non Contained Element</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.ImplMultiRefNonContainedElement#getName <em>Name</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package#getImplMultiRefNonContainedElement()
+ * @model
+ * @generated
+ */
+public interface ImplMultiRefNonContainedElement extends IMultiRefNonContainedElement {
+	/**
+	 * Returns the value of the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Name</em>' attribute isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Name</em>' attribute.
+	 * @see #setName(String)
+	 * @see org.eclipse.emf.cdo.tests.model4.model4Package#getImplMultiRefNonContainedElement_Name()
+	 * @model
+	 * @generated
+	 */
+	String getName();
+
+	/**
+	 * Sets the value of the '{@link org.eclipse.emf.cdo.tests.model4.ImplMultiRefNonContainedElement#getName <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Name</em>' attribute.
+	 * @see #getName()
+	 * @generated
+	 */
+	void setName(String value);
+
+} // ImplMultiRefNonContainedElement
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplMultiRefNonContainer.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplMultiRefNonContainer.java
new file mode 100644
index 0000000000..d91042d10f
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplMultiRefNonContainer.java
@@ -0,0 +1,22 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: ImplMultiRefNonContainer.java,v 1.1 2008-07-10 15:42:26 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefNonContainer;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Impl Multi Ref Non Container</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ *
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package#getImplMultiRefNonContainer()
+ * @model
+ * @generated
+ */
+public interface ImplMultiRefNonContainer extends IMultiRefNonContainer {
+} // ImplMultiRefNonContainer
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplMultiRefNonContainerNPL.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplMultiRefNonContainerNPL.java
new file mode 100644
index 0000000000..c92bf40a62
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplMultiRefNonContainerNPL.java
@@ -0,0 +1,22 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: ImplMultiRefNonContainerNPL.java,v 1.1 2008-07-10 15:42:26 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefNonContainerNPL;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Impl Multi Ref Non Container NPL</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ *
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package#getImplMultiRefNonContainerNPL()
+ * @model
+ * @generated
+ */
+public interface ImplMultiRefNonContainerNPL extends IMultiRefNonContainerNPL {
+} // ImplMultiRefNonContainerNPL
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplSingleRefContainedElement.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplSingleRefContainedElement.java
new file mode 100644
index 0000000000..380ad90b59
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplSingleRefContainedElement.java
@@ -0,0 +1,54 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: ImplSingleRefContainedElement.java,v 1.1 2008-07-10 15:42:26 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefContainedElement;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Impl Single Ref Contained Element</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.ImplSingleRefContainedElement#getName <em>Name</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package#getImplSingleRefContainedElement()
+ * @model
+ * @generated
+ */
+public interface ImplSingleRefContainedElement extends ISingleRefContainedElement {
+	/**
+	 * Returns the value of the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Name</em>' attribute isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Name</em>' attribute.
+	 * @see #setName(String)
+	 * @see org.eclipse.emf.cdo.tests.model4.model4Package#getImplSingleRefContainedElement_Name()
+	 * @model
+	 * @generated
+	 */
+	String getName();
+
+	/**
+	 * Sets the value of the '{@link org.eclipse.emf.cdo.tests.model4.ImplSingleRefContainedElement#getName <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Name</em>' attribute.
+	 * @see #getName()
+	 * @generated
+	 */
+	void setName(String value);
+
+} // ImplSingleRefContainedElement
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplSingleRefContainer.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplSingleRefContainer.java
new file mode 100644
index 0000000000..cadc96d853
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplSingleRefContainer.java
@@ -0,0 +1,22 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: ImplSingleRefContainer.java,v 1.1 2008-07-10 15:42:26 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefContainer;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Impl Single Ref Container</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ *
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package#getImplSingleRefContainer()
+ * @model
+ * @generated
+ */
+public interface ImplSingleRefContainer extends ISingleRefContainer {
+} // ImplSingleRefContainer
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplSingleRefContainerNPL.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplSingleRefContainerNPL.java
new file mode 100644
index 0000000000..cc3c2e46dc
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplSingleRefContainerNPL.java
@@ -0,0 +1,22 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: ImplSingleRefContainerNPL.java,v 1.1 2008-07-10 15:42:26 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefContainerNPL;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Impl Single Ref Container NPL</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ *
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package#getImplSingleRefContainerNPL()
+ * @model
+ * @generated
+ */
+public interface ImplSingleRefContainerNPL extends ISingleRefContainerNPL {
+} // ImplSingleRefContainerNPL
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplSingleRefNonContainedElement.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplSingleRefNonContainedElement.java
new file mode 100644
index 0000000000..63d3fb296e
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplSingleRefNonContainedElement.java
@@ -0,0 +1,54 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: ImplSingleRefNonContainedElement.java,v 1.1 2008-07-10 15:42:26 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefNonContainedElement;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Impl Single Ref Non Contained Element</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.ImplSingleRefNonContainedElement#getName <em>Name</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package#getImplSingleRefNonContainedElement()
+ * @model
+ * @generated
+ */
+public interface ImplSingleRefNonContainedElement extends ISingleRefNonContainedElement {
+	/**
+	 * Returns the value of the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Name</em>' attribute isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Name</em>' attribute.
+	 * @see #setName(String)
+	 * @see org.eclipse.emf.cdo.tests.model4.model4Package#getImplSingleRefNonContainedElement_Name()
+	 * @model
+	 * @generated
+	 */
+	String getName();
+
+	/**
+	 * Sets the value of the '{@link org.eclipse.emf.cdo.tests.model4.ImplSingleRefNonContainedElement#getName <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Name</em>' attribute.
+	 * @see #getName()
+	 * @generated
+	 */
+	void setName(String value);
+
+} // ImplSingleRefNonContainedElement
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplSingleRefNonContainer.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplSingleRefNonContainer.java
new file mode 100644
index 0000000000..2199f276a9
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplSingleRefNonContainer.java
@@ -0,0 +1,22 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: ImplSingleRefNonContainer.java,v 1.1 2008-07-10 15:42:26 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefNonContainer;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Impl Single Ref Non Container</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ *
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package#getImplSingleRefNonContainer()
+ * @model
+ * @generated
+ */
+public interface ImplSingleRefNonContainer extends ISingleRefNonContainer {
+} // ImplSingleRefNonContainer
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplSingleRefNonContainerNPL.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplSingleRefNonContainerNPL.java
new file mode 100644
index 0000000000..3604ce2071
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/ImplSingleRefNonContainerNPL.java
@@ -0,0 +1,22 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: ImplSingleRefNonContainerNPL.java,v 1.1 2008-07-10 15:42:26 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefNonContainerNPL;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Impl Single Ref Non Container NPL</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ *
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package#getImplSingleRefNonContainerNPL()
+ * @model
+ * @generated
+ */
+public interface ImplSingleRefNonContainerNPL extends ISingleRefNonContainerNPL {
+} // ImplSingleRefNonContainerNPL
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/MultiContainedElement.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/MultiContainedElement.java
new file mode 100644
index 0000000000..2eb69af4cb
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/MultiContainedElement.java
@@ -0,0 +1,84 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: MultiContainedElement.java,v 1.1 2008-07-10 15:42:26 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.cdo.CDOObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Multi Contained Element</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.MultiContainedElement#getName <em>Name</em>}</li>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.MultiContainedElement#getParent <em>Parent</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package#getMultiContainedElement()
+ * @model
+ * @extends CDOObject
+ * @generated
+ */
+public interface MultiContainedElement extends CDOObject {
+	/**
+	 * Returns the value of the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Name</em>' attribute isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Name</em>' attribute.
+	 * @see #setName(String)
+	 * @see org.eclipse.emf.cdo.tests.model4.model4Package#getMultiContainedElement_Name()
+	 * @model
+	 * @generated
+	 */
+	String getName();
+
+	/**
+	 * Sets the value of the '{@link org.eclipse.emf.cdo.tests.model4.MultiContainedElement#getName <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Name</em>' attribute.
+	 * @see #getName()
+	 * @generated
+	 */
+	void setName(String value);
+
+	/**
+	 * Returns the value of the '<em><b>Parent</b></em>' container reference.
+	 * It is bidirectional and its opposite is '{@link org.eclipse.emf.cdo.tests.model4.RefMultiContained#getElements <em>Elements</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Parent</em>' container reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Parent</em>' container reference.
+	 * @see #setParent(RefMultiContained)
+	 * @see org.eclipse.emf.cdo.tests.model4.model4Package#getMultiContainedElement_Parent()
+	 * @see org.eclipse.emf.cdo.tests.model4.RefMultiContained#getElements
+	 * @model opposite="elements" transient="false"
+	 * @generated
+	 */
+	RefMultiContained getParent();
+
+	/**
+	 * Sets the value of the '{@link org.eclipse.emf.cdo.tests.model4.MultiContainedElement#getParent <em>Parent</em>}' container reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Parent</em>' container reference.
+	 * @see #getParent()
+	 * @generated
+	 */
+	void setParent(RefMultiContained value);
+
+} // MultiContainedElement
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/MultiNonContainedElement.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/MultiNonContainedElement.java
new file mode 100644
index 0000000000..53d9548ceb
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/MultiNonContainedElement.java
@@ -0,0 +1,84 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: MultiNonContainedElement.java,v 1.1 2008-07-10 15:42:26 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.cdo.CDOObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Multi Non Contained Element</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.MultiNonContainedElement#getName <em>Name</em>}</li>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.MultiNonContainedElement#getParent <em>Parent</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package#getMultiNonContainedElement()
+ * @model
+ * @extends CDOObject
+ * @generated
+ */
+public interface MultiNonContainedElement extends CDOObject {
+	/**
+	 * Returns the value of the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Name</em>' attribute isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Name</em>' attribute.
+	 * @see #setName(String)
+	 * @see org.eclipse.emf.cdo.tests.model4.model4Package#getMultiNonContainedElement_Name()
+	 * @model
+	 * @generated
+	 */
+	String getName();
+
+	/**
+	 * Sets the value of the '{@link org.eclipse.emf.cdo.tests.model4.MultiNonContainedElement#getName <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Name</em>' attribute.
+	 * @see #getName()
+	 * @generated
+	 */
+	void setName(String value);
+
+	/**
+	 * Returns the value of the '<em><b>Parent</b></em>' container reference.
+	 * It is bidirectional and its opposite is '{@link org.eclipse.emf.cdo.tests.model4.RefMultiNonContained#getElements <em>Elements</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Parent</em>' container reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Parent</em>' container reference.
+	 * @see #setParent(RefMultiNonContained)
+	 * @see org.eclipse.emf.cdo.tests.model4.model4Package#getMultiNonContainedElement_Parent()
+	 * @see org.eclipse.emf.cdo.tests.model4.RefMultiNonContained#getElements
+	 * @model opposite="elements" transient="false"
+	 * @generated
+	 */
+	RefMultiNonContained getParent();
+
+	/**
+	 * Sets the value of the '{@link org.eclipse.emf.cdo.tests.model4.MultiNonContainedElement#getParent <em>Parent</em>}' container reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Parent</em>' container reference.
+	 * @see #getParent()
+	 * @generated
+	 */
+	void setParent(RefMultiNonContained value);
+
+} // MultiNonContainedElement
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/RefMultiContained.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/RefMultiContained.java
new file mode 100644
index 0000000000..415ad416a0
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/RefMultiContained.java
@@ -0,0 +1,49 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: RefMultiContained.java,v 1.1 2008-07-10 15:42:26 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.cdo.CDOObject;
+
+import org.eclipse.emf.common.util.EList;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Ref Multi Contained</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.RefMultiContained#getElements <em>Elements</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package#getRefMultiContained()
+ * @model
+ * @extends CDOObject
+ * @generated
+ */
+public interface RefMultiContained extends CDOObject {
+	/**
+	 * Returns the value of the '<em><b>Elements</b></em>' containment reference list.
+	 * The list contents are of type {@link org.eclipse.emf.cdo.tests.model4.MultiContainedElement}.
+	 * It is bidirectional and its opposite is '{@link org.eclipse.emf.cdo.tests.model4.MultiContainedElement#getParent <em>Parent</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Elements</em>' containment reference list isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Elements</em>' containment reference list.
+	 * @see org.eclipse.emf.cdo.tests.model4.model4Package#getRefMultiContained_Elements()
+	 * @see org.eclipse.emf.cdo.tests.model4.MultiContainedElement#getParent
+	 * @model opposite="parent" containment="true"
+	 * @generated
+	 */
+	EList<MultiContainedElement> getElements();
+
+} // RefMultiContained
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/RefMultiContainedNPL.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/RefMultiContainedNPL.java
new file mode 100644
index 0000000000..2d51471e2c
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/RefMultiContainedNPL.java
@@ -0,0 +1,47 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: RefMultiContainedNPL.java,v 1.1 2008-07-10 15:42:26 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.cdo.CDOObject;
+
+import org.eclipse.emf.common.util.EList;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Ref Multi Contained NPL</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.RefMultiContainedNPL#getElements <em>Elements</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package#getRefMultiContainedNPL()
+ * @model
+ * @extends CDOObject
+ * @generated
+ */
+public interface RefMultiContainedNPL extends CDOObject {
+	/**
+	 * Returns the value of the '<em><b>Elements</b></em>' containment reference list.
+	 * The list contents are of type {@link org.eclipse.emf.cdo.tests.model4.ContainedElementNoOpposite}.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Elements</em>' containment reference list isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Elements</em>' containment reference list.
+	 * @see org.eclipse.emf.cdo.tests.model4.model4Package#getRefMultiContainedNPL_Elements()
+	 * @model containment="true"
+	 * @generated
+	 */
+	EList<ContainedElementNoOpposite> getElements();
+
+} // RefMultiContainedNPL
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/RefMultiNonContained.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/RefMultiNonContained.java
new file mode 100644
index 0000000000..fc86d9a53d
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/RefMultiNonContained.java
@@ -0,0 +1,49 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: RefMultiNonContained.java,v 1.1 2008-07-10 15:42:26 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.cdo.CDOObject;
+
+import org.eclipse.emf.common.util.EList;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Ref Multi Non Contained</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.RefMultiNonContained#getElements <em>Elements</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package#getRefMultiNonContained()
+ * @model
+ * @extends CDOObject
+ * @generated
+ */
+public interface RefMultiNonContained extends CDOObject {
+	/**
+	 * Returns the value of the '<em><b>Elements</b></em>' containment reference list.
+	 * The list contents are of type {@link org.eclipse.emf.cdo.tests.model4.MultiNonContainedElement}.
+	 * It is bidirectional and its opposite is '{@link org.eclipse.emf.cdo.tests.model4.MultiNonContainedElement#getParent <em>Parent</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Elements</em>' containment reference list isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Elements</em>' containment reference list.
+	 * @see org.eclipse.emf.cdo.tests.model4.model4Package#getRefMultiNonContained_Elements()
+	 * @see org.eclipse.emf.cdo.tests.model4.MultiNonContainedElement#getParent
+	 * @model opposite="parent" containment="true"
+	 * @generated
+	 */
+	EList<MultiNonContainedElement> getElements();
+
+} // RefMultiNonContained
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/RefMultiNonContainedNPL.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/RefMultiNonContainedNPL.java
new file mode 100644
index 0000000000..39f575000f
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/RefMultiNonContainedNPL.java
@@ -0,0 +1,47 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: RefMultiNonContainedNPL.java,v 1.1 2008-07-10 15:42:26 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.cdo.CDOObject;
+
+import org.eclipse.emf.common.util.EList;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Ref Multi Non Contained NPL</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.RefMultiNonContainedNPL#getElements <em>Elements</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package#getRefMultiNonContainedNPL()
+ * @model
+ * @extends CDOObject
+ * @generated
+ */
+public interface RefMultiNonContainedNPL extends CDOObject {
+	/**
+	 * Returns the value of the '<em><b>Elements</b></em>' reference list.
+	 * The list contents are of type {@link org.eclipse.emf.cdo.tests.model4.ContainedElementNoOpposite}.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Elements</em>' reference list isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Elements</em>' reference list.
+	 * @see org.eclipse.emf.cdo.tests.model4.model4Package#getRefMultiNonContainedNPL_Elements()
+	 * @model
+	 * @generated
+	 */
+	EList<ContainedElementNoOpposite> getElements();
+
+} // RefMultiNonContainedNPL
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/RefSingleContained.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/RefSingleContained.java
new file mode 100644
index 0000000000..4aaf7d90a4
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/RefSingleContained.java
@@ -0,0 +1,57 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: RefSingleContained.java,v 1.1 2008-07-10 15:42:26 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.cdo.CDOObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Ref Single Contained</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.RefSingleContained#getElement <em>Element</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package#getRefSingleContained()
+ * @model
+ * @extends CDOObject
+ * @generated
+ */
+public interface RefSingleContained extends CDOObject {
+	/**
+	 * Returns the value of the '<em><b>Element</b></em>' containment reference.
+	 * It is bidirectional and its opposite is '{@link org.eclipse.emf.cdo.tests.model4.SingleContainedElement#getParent <em>Parent</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Element</em>' containment reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Element</em>' containment reference.
+	 * @see #setElement(SingleContainedElement)
+	 * @see org.eclipse.emf.cdo.tests.model4.model4Package#getRefSingleContained_Element()
+	 * @see org.eclipse.emf.cdo.tests.model4.SingleContainedElement#getParent
+	 * @model opposite="parent" containment="true"
+	 * @generated
+	 */
+	SingleContainedElement getElement();
+
+	/**
+	 * Sets the value of the '{@link org.eclipse.emf.cdo.tests.model4.RefSingleContained#getElement <em>Element</em>}' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Element</em>' containment reference.
+	 * @see #getElement()
+	 * @generated
+	 */
+	void setElement(SingleContainedElement value);
+
+} // RefSingleContained
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/RefSingleContainedNPL.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/RefSingleContainedNPL.java
new file mode 100644
index 0000000000..d39c8d0b9a
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/RefSingleContainedNPL.java
@@ -0,0 +1,55 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: RefSingleContainedNPL.java,v 1.1 2008-07-10 15:42:26 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.cdo.CDOObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Ref Single Contained NPL</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.RefSingleContainedNPL#getElement <em>Element</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package#getRefSingleContainedNPL()
+ * @model
+ * @extends CDOObject
+ * @generated
+ */
+public interface RefSingleContainedNPL extends CDOObject {
+	/**
+	 * Returns the value of the '<em><b>Element</b></em>' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Element</em>' containment reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Element</em>' containment reference.
+	 * @see #setElement(ContainedElementNoOpposite)
+	 * @see org.eclipse.emf.cdo.tests.model4.model4Package#getRefSingleContainedNPL_Element()
+	 * @model containment="true"
+	 * @generated
+	 */
+	ContainedElementNoOpposite getElement();
+
+	/**
+	 * Sets the value of the '{@link org.eclipse.emf.cdo.tests.model4.RefSingleContainedNPL#getElement <em>Element</em>}' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Element</em>' containment reference.
+	 * @see #getElement()
+	 * @generated
+	 */
+	void setElement(ContainedElementNoOpposite value);
+
+} // RefSingleContainedNPL
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/RefSingleNonContained.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/RefSingleNonContained.java
new file mode 100644
index 0000000000..c67a33b5b1
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/RefSingleNonContained.java
@@ -0,0 +1,57 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: RefSingleNonContained.java,v 1.1 2008-07-10 15:42:26 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.cdo.CDOObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Ref Single Non Contained</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.RefSingleNonContained#getElement <em>Element</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package#getRefSingleNonContained()
+ * @model
+ * @extends CDOObject
+ * @generated
+ */
+public interface RefSingleNonContained extends CDOObject {
+	/**
+	 * Returns the value of the '<em><b>Element</b></em>' reference.
+	 * It is bidirectional and its opposite is '{@link org.eclipse.emf.cdo.tests.model4.SingleNonContainedElement#getParent <em>Parent</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Element</em>' reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Element</em>' reference.
+	 * @see #setElement(SingleNonContainedElement)
+	 * @see org.eclipse.emf.cdo.tests.model4.model4Package#getRefSingleNonContained_Element()
+	 * @see org.eclipse.emf.cdo.tests.model4.SingleNonContainedElement#getParent
+	 * @model opposite="parent"
+	 * @generated
+	 */
+	SingleNonContainedElement getElement();
+
+	/**
+	 * Sets the value of the '{@link org.eclipse.emf.cdo.tests.model4.RefSingleNonContained#getElement <em>Element</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Element</em>' reference.
+	 * @see #getElement()
+	 * @generated
+	 */
+	void setElement(SingleNonContainedElement value);
+
+} // RefSingleNonContained
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/RefSingleNonContainedNPL.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/RefSingleNonContainedNPL.java
new file mode 100644
index 0000000000..6dc9bf2986
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/RefSingleNonContainedNPL.java
@@ -0,0 +1,55 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: RefSingleNonContainedNPL.java,v 1.1 2008-07-10 15:42:26 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.cdo.CDOObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Ref Single Non Contained NPL</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.RefSingleNonContainedNPL#getElement <em>Element</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package#getRefSingleNonContainedNPL()
+ * @model
+ * @extends CDOObject
+ * @generated
+ */
+public interface RefSingleNonContainedNPL extends CDOObject {
+	/**
+	 * Returns the value of the '<em><b>Element</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Element</em>' reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Element</em>' reference.
+	 * @see #setElement(ContainedElementNoOpposite)
+	 * @see org.eclipse.emf.cdo.tests.model4.model4Package#getRefSingleNonContainedNPL_Element()
+	 * @model
+	 * @generated
+	 */
+	ContainedElementNoOpposite getElement();
+
+	/**
+	 * Sets the value of the '{@link org.eclipse.emf.cdo.tests.model4.RefSingleNonContainedNPL#getElement <em>Element</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Element</em>' reference.
+	 * @see #getElement()
+	 * @generated
+	 */
+	void setElement(ContainedElementNoOpposite value);
+
+} // RefSingleNonContainedNPL
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/SingleContainedElement.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/SingleContainedElement.java
new file mode 100644
index 0000000000..9c3dd3cc7f
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/SingleContainedElement.java
@@ -0,0 +1,84 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: SingleContainedElement.java,v 1.1 2008-07-10 15:42:26 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.cdo.CDOObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Single Contained Element</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.SingleContainedElement#getName <em>Name</em>}</li>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.SingleContainedElement#getParent <em>Parent</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package#getSingleContainedElement()
+ * @model
+ * @extends CDOObject
+ * @generated
+ */
+public interface SingleContainedElement extends CDOObject {
+	/**
+	 * Returns the value of the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Name</em>' attribute isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Name</em>' attribute.
+	 * @see #setName(String)
+	 * @see org.eclipse.emf.cdo.tests.model4.model4Package#getSingleContainedElement_Name()
+	 * @model
+	 * @generated
+	 */
+	String getName();
+
+	/**
+	 * Sets the value of the '{@link org.eclipse.emf.cdo.tests.model4.SingleContainedElement#getName <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Name</em>' attribute.
+	 * @see #getName()
+	 * @generated
+	 */
+	void setName(String value);
+
+	/**
+	 * Returns the value of the '<em><b>Parent</b></em>' container reference.
+	 * It is bidirectional and its opposite is '{@link org.eclipse.emf.cdo.tests.model4.RefSingleContained#getElement <em>Element</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Parent</em>' container reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Parent</em>' container reference.
+	 * @see #setParent(RefSingleContained)
+	 * @see org.eclipse.emf.cdo.tests.model4.model4Package#getSingleContainedElement_Parent()
+	 * @see org.eclipse.emf.cdo.tests.model4.RefSingleContained#getElement
+	 * @model opposite="element" transient="false"
+	 * @generated
+	 */
+	RefSingleContained getParent();
+
+	/**
+	 * Sets the value of the '{@link org.eclipse.emf.cdo.tests.model4.SingleContainedElement#getParent <em>Parent</em>}' container reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Parent</em>' container reference.
+	 * @see #getParent()
+	 * @generated
+	 */
+	void setParent(RefSingleContained value);
+
+} // SingleContainedElement
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/SingleNonContainedElement.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/SingleNonContainedElement.java
new file mode 100644
index 0000000000..25b775d829
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/SingleNonContainedElement.java
@@ -0,0 +1,84 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: SingleNonContainedElement.java,v 1.1 2008-07-10 15:42:27 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.cdo.CDOObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Single Non Contained Element</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.SingleNonContainedElement#getName <em>Name</em>}</li>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.SingleNonContainedElement#getParent <em>Parent</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package#getSingleNonContainedElement()
+ * @model
+ * @extends CDOObject
+ * @generated
+ */
+public interface SingleNonContainedElement extends CDOObject {
+	/**
+	 * Returns the value of the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Name</em>' attribute isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Name</em>' attribute.
+	 * @see #setName(String)
+	 * @see org.eclipse.emf.cdo.tests.model4.model4Package#getSingleNonContainedElement_Name()
+	 * @model
+	 * @generated
+	 */
+	String getName();
+
+	/**
+	 * Sets the value of the '{@link org.eclipse.emf.cdo.tests.model4.SingleNonContainedElement#getName <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Name</em>' attribute.
+	 * @see #getName()
+	 * @generated
+	 */
+	void setName(String value);
+
+	/**
+	 * Returns the value of the '<em><b>Parent</b></em>' reference.
+	 * It is bidirectional and its opposite is '{@link org.eclipse.emf.cdo.tests.model4.RefSingleNonContained#getElement <em>Element</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Parent</em>' reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Parent</em>' reference.
+	 * @see #setParent(RefSingleNonContained)
+	 * @see org.eclipse.emf.cdo.tests.model4.model4Package#getSingleNonContainedElement_Parent()
+	 * @see org.eclipse.emf.cdo.tests.model4.RefSingleNonContained#getElement
+	 * @model opposite="element"
+	 * @generated
+	 */
+	RefSingleNonContained getParent();
+
+	/**
+	 * Sets the value of the '{@link org.eclipse.emf.cdo.tests.model4.SingleNonContainedElement#getParent <em>Parent</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Parent</em>' reference.
+	 * @see #getParent()
+	 * @generated
+	 */
+	void setParent(RefSingleNonContained value);
+
+} // SingleNonContainedElement
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ContainedElementNoOppositeImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ContainedElementNoOppositeImpl.java
new file mode 100644
index 0000000000..7d0db3e21d
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ContainedElementNoOppositeImpl.java
@@ -0,0 +1,77 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: ContainedElementNoOppositeImpl.java,v 1.1 2008-07-10 15:42:27 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.ContainedElementNoOpposite;
+import org.eclipse.emf.cdo.tests.model4.model4Package;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.internal.cdo.CDOObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Contained Element No Opposite</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.ContainedElementNoOppositeImpl#getName <em>Name</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class ContainedElementNoOppositeImpl extends CDOObjectImpl implements ContainedElementNoOpposite {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ContainedElementNoOppositeImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return model4Package.Literals.CONTAINED_ELEMENT_NO_OPPOSITE;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected int eStaticFeatureCount() {
+		return 0;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String getName() {
+		return (String)eGet(model4Package.Literals.CONTAINED_ELEMENT_NO_OPPOSITE__NAME, true);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setName(String newName) {
+		eSet(model4Package.Literals.CONTAINED_ELEMENT_NO_OPPOSITE__NAME, newName);
+	}
+
+} //ContainedElementNoOppositeImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/GenRefMultiContainedImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/GenRefMultiContainedImpl.java
new file mode 100644
index 0000000000..9273c21365
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/GenRefMultiContainedImpl.java
@@ -0,0 +1,72 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: GenRefMultiContainedImpl.java,v 1.1 2008-07-10 15:42:27 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.GenRefMultiContained;
+import org.eclipse.emf.cdo.tests.model4.model4Package;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EObject;
+
+import org.eclipse.emf.internal.cdo.CDOObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Gen Ref Multi Contained</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.GenRefMultiContainedImpl#getElements <em>Elements</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class GenRefMultiContainedImpl extends CDOObjectImpl implements GenRefMultiContained {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected GenRefMultiContainedImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return model4Package.Literals.GEN_REF_MULTI_CONTAINED;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected int eStaticFeatureCount() {
+		return 0;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	public EList<EObject> getElements() {
+		return (EList<EObject>)eGet(model4Package.Literals.GEN_REF_MULTI_CONTAINED__ELEMENTS, true);
+	}
+
+} //GenRefMultiContainedImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/GenRefMultiNonContainedImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/GenRefMultiNonContainedImpl.java
new file mode 100644
index 0000000000..e9524d1c90
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/GenRefMultiNonContainedImpl.java
@@ -0,0 +1,72 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: GenRefMultiNonContainedImpl.java,v 1.1 2008-07-10 15:42:27 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.GenRefMultiNonContained;
+import org.eclipse.emf.cdo.tests.model4.model4Package;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EObject;
+
+import org.eclipse.emf.internal.cdo.CDOObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Gen Ref Multi Non Contained</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.GenRefMultiNonContainedImpl#getElements <em>Elements</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class GenRefMultiNonContainedImpl extends CDOObjectImpl implements GenRefMultiNonContained {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected GenRefMultiNonContainedImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return model4Package.Literals.GEN_REF_MULTI_NON_CONTAINED;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected int eStaticFeatureCount() {
+		return 0;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	public EList<EObject> getElements() {
+		return (EList<EObject>)eGet(model4Package.Literals.GEN_REF_MULTI_NON_CONTAINED__ELEMENTS, true);
+	}
+
+} //GenRefMultiNonContainedImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/GenRefSingleContainedImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/GenRefSingleContainedImpl.java
new file mode 100644
index 0000000000..f77653144b
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/GenRefSingleContainedImpl.java
@@ -0,0 +1,78 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: GenRefSingleContainedImpl.java,v 1.1 2008-07-10 15:42:27 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.GenRefSingleContained;
+import org.eclipse.emf.cdo.tests.model4.model4Package;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EObject;
+
+import org.eclipse.emf.internal.cdo.CDOObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Gen Ref Single Contained</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.GenRefSingleContainedImpl#getElement <em>Element</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class GenRefSingleContainedImpl extends CDOObjectImpl implements GenRefSingleContained {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected GenRefSingleContainedImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return model4Package.Literals.GEN_REF_SINGLE_CONTAINED;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected int eStaticFeatureCount() {
+		return 0;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EObject getElement() {
+		return (EObject)eGet(model4Package.Literals.GEN_REF_SINGLE_CONTAINED__ELEMENT, true);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setElement(EObject newElement) {
+		eSet(model4Package.Literals.GEN_REF_SINGLE_CONTAINED__ELEMENT, newElement);
+	}
+
+} //GenRefSingleContainedImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/GenRefSingleNonContainedImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/GenRefSingleNonContainedImpl.java
new file mode 100644
index 0000000000..d445cd259c
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/GenRefSingleNonContainedImpl.java
@@ -0,0 +1,78 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: GenRefSingleNonContainedImpl.java,v 1.1 2008-07-10 15:42:27 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.GenRefSingleNonContained;
+import org.eclipse.emf.cdo.tests.model4.model4Package;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EObject;
+
+import org.eclipse.emf.internal.cdo.CDOObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Gen Ref Single Non Contained</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.GenRefSingleNonContainedImpl#getElement <em>Element</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class GenRefSingleNonContainedImpl extends CDOObjectImpl implements GenRefSingleNonContained {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected GenRefSingleNonContainedImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return model4Package.Literals.GEN_REF_SINGLE_NON_CONTAINED;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected int eStaticFeatureCount() {
+		return 0;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EObject getElement() {
+		return (EObject)eGet(model4Package.Literals.GEN_REF_SINGLE_NON_CONTAINED__ELEMENT, true);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setElement(EObject newElement) {
+		eSet(model4Package.Literals.GEN_REF_SINGLE_NON_CONTAINED__ELEMENT, newElement);
+	}
+
+} //GenRefSingleNonContainedImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplContainedElementNPLImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplContainedElementNPLImpl.java
new file mode 100644
index 0000000000..7805cb7c6a
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplContainedElementNPLImpl.java
@@ -0,0 +1,112 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: ImplContainedElementNPLImpl.java,v 1.1 2008-07-10 15:42:27 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.ImplContainedElementNPL;
+import org.eclipse.emf.cdo.tests.model4.model4Package;
+
+import org.eclipse.emf.cdo.tests.model4interfaces.INamedElement;
+import org.eclipse.emf.cdo.tests.model4interfaces.model4interfacesPackage;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.internal.cdo.CDOObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Impl Contained Element NPL</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.ImplContainedElementNPLImpl#getName <em>Name</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class ImplContainedElementNPLImpl extends CDOObjectImpl implements ImplContainedElementNPL {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ImplContainedElementNPLImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return model4Package.Literals.IMPL_CONTAINED_ELEMENT_NPL;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected int eStaticFeatureCount() {
+		return 0;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String getName() {
+		return (String)eGet(model4interfacesPackage.Literals.INAMED_ELEMENT__NAME, true);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setName(String newName) {
+		eSet(model4interfacesPackage.Literals.INAMED_ELEMENT__NAME, newName);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public int eBaseStructuralFeatureID(int derivedFeatureID, Class<?> baseClass) {
+		if (baseClass == INamedElement.class) {
+			switch (derivedFeatureID) {
+				case model4Package.IMPL_CONTAINED_ELEMENT_NPL__NAME: return model4interfacesPackage.INAMED_ELEMENT__NAME;
+				default: return -1;
+			}
+		}
+		return super.eBaseStructuralFeatureID(derivedFeatureID, baseClass);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public int eDerivedStructuralFeatureID(int baseFeatureID, Class<?> baseClass) {
+		if (baseClass == INamedElement.class) {
+			switch (baseFeatureID) {
+				case model4interfacesPackage.INAMED_ELEMENT__NAME: return model4Package.IMPL_CONTAINED_ELEMENT_NPL__NAME;
+				default: return -1;
+			}
+		}
+		return super.eDerivedStructuralFeatureID(baseFeatureID, baseClass);
+	}
+
+} //ImplContainedElementNPLImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplMultiRefContainedElementImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplMultiRefContainedElementImpl.java
new file mode 100644
index 0000000000..190d1deca6
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplMultiRefContainedElementImpl.java
@@ -0,0 +1,99 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: ImplMultiRefContainedElementImpl.java,v 1.1 2008-07-10 15:42:27 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.ImplMultiRefContainedElement;
+import org.eclipse.emf.cdo.tests.model4.model4Package;
+
+import org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefContainer;
+import org.eclipse.emf.cdo.tests.model4interfaces.model4interfacesPackage;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.internal.cdo.CDOObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Impl Multi Ref Contained Element</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefContainedElementImpl#getParent <em>Parent</em>}</li>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefContainedElementImpl#getName <em>Name</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class ImplMultiRefContainedElementImpl extends CDOObjectImpl implements ImplMultiRefContainedElement {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ImplMultiRefContainedElementImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return model4Package.Literals.IMPL_MULTI_REF_CONTAINED_ELEMENT;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected int eStaticFeatureCount() {
+		return 0;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public IMultiRefContainer getParent() {
+		return (IMultiRefContainer)eGet(model4interfacesPackage.Literals.IMULTI_REF_CONTAINED_ELEMENT__PARENT, true);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setParent(IMultiRefContainer newParent) {
+		eSet(model4interfacesPackage.Literals.IMULTI_REF_CONTAINED_ELEMENT__PARENT, newParent);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String getName() {
+		return (String)eGet(model4Package.Literals.IMPL_MULTI_REF_CONTAINED_ELEMENT__NAME, true);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setName(String newName) {
+		eSet(model4Package.Literals.IMPL_MULTI_REF_CONTAINED_ELEMENT__NAME, newName);
+	}
+
+} //ImplMultiRefContainedElementImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplMultiRefContainerImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplMultiRefContainerImpl.java
new file mode 100644
index 0000000000..dc709bc914
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplMultiRefContainerImpl.java
@@ -0,0 +1,74 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: ImplMultiRefContainerImpl.java,v 1.1 2008-07-10 15:42:27 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.ImplMultiRefContainer;
+import org.eclipse.emf.cdo.tests.model4.model4Package;
+
+import org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefContainedElement;
+import org.eclipse.emf.cdo.tests.model4interfaces.model4interfacesPackage;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.internal.cdo.CDOObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Impl Multi Ref Container</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefContainerImpl#getElements <em>Elements</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class ImplMultiRefContainerImpl extends CDOObjectImpl implements ImplMultiRefContainer {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ImplMultiRefContainerImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return model4Package.Literals.IMPL_MULTI_REF_CONTAINER;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected int eStaticFeatureCount() {
+		return 0;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	public EList<IMultiRefContainedElement> getElements() {
+		return (EList<IMultiRefContainedElement>)eGet(model4interfacesPackage.Literals.IMULTI_REF_CONTAINER__ELEMENTS, true);
+	}
+
+} //ImplMultiRefContainerImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplMultiRefContainerNPLImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplMultiRefContainerNPLImpl.java
new file mode 100644
index 0000000000..6793f48f8d
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplMultiRefContainerNPLImpl.java
@@ -0,0 +1,74 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: ImplMultiRefContainerNPLImpl.java,v 1.1 2008-07-10 15:42:27 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.ImplMultiRefContainerNPL;
+import org.eclipse.emf.cdo.tests.model4.model4Package;
+
+import org.eclipse.emf.cdo.tests.model4interfaces.IContainedElementNoParentLink;
+import org.eclipse.emf.cdo.tests.model4interfaces.model4interfacesPackage;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.internal.cdo.CDOObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Impl Multi Ref Container NPL</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefContainerNPLImpl#getElements <em>Elements</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class ImplMultiRefContainerNPLImpl extends CDOObjectImpl implements ImplMultiRefContainerNPL {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ImplMultiRefContainerNPLImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return model4Package.Literals.IMPL_MULTI_REF_CONTAINER_NPL;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected int eStaticFeatureCount() {
+		return 0;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	public EList<IContainedElementNoParentLink> getElements() {
+		return (EList<IContainedElementNoParentLink>)eGet(model4interfacesPackage.Literals.IMULTI_REF_CONTAINER_NPL__ELEMENTS, true);
+	}
+
+} //ImplMultiRefContainerNPLImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplMultiRefNonContainedElementImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplMultiRefNonContainedElementImpl.java
new file mode 100644
index 0000000000..632b2e4ea5
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplMultiRefNonContainedElementImpl.java
@@ -0,0 +1,102 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: ImplMultiRefNonContainedElementImpl.java,v 1.1 2008-07-10 15:42:27 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.ImplMultiRefNonContainedElement;
+import org.eclipse.emf.cdo.tests.model4.model4Package;
+
+import org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefNonContainer;
+import org.eclipse.emf.cdo.tests.model4interfaces.model4interfacesPackage;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.internal.cdo.CDOObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Impl Multi Ref Non Contained Element</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefNonContainedElementImpl#getParent <em>Parent</em>}</li>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefNonContainedElementImpl#getName <em>Name</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class ImplMultiRefNonContainedElementImpl extends CDOObjectImpl implements ImplMultiRefNonContainedElement {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ImplMultiRefNonContainedElementImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return model4Package.Literals.IMPL_MULTI_REF_NON_CONTAINED_ELEMENT;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected int eStaticFeatureCount() {
+		return 0;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	public IMultiRefNonContainer getParent() {
+		return (IMultiRefNonContainer)eGet(model4interfacesPackage.Literals.IMULTI_REF_NON_CONTAINED_ELEMENT__PARENT, true);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setParent(IMultiRefNonContainer newParent) {
+		eSet(model4interfacesPackage.Literals.IMULTI_REF_NON_CONTAINED_ELEMENT__PARENT, newParent);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String getName() {
+		return (String)eGet(model4Package.Literals.IMPL_MULTI_REF_NON_CONTAINED_ELEMENT__NAME, true);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setName(String newName) {
+		eSet(model4Package.Literals.IMPL_MULTI_REF_NON_CONTAINED_ELEMENT__NAME, newName);
+	}
+
+} //ImplMultiRefNonContainedElementImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplMultiRefNonContainerImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplMultiRefNonContainerImpl.java
new file mode 100644
index 0000000000..2ca83eafa1
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplMultiRefNonContainerImpl.java
@@ -0,0 +1,73 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: ImplMultiRefNonContainerImpl.java,v 1.1 2008-07-10 15:42:27 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.ImplMultiRefNonContainer;
+import org.eclipse.emf.cdo.tests.model4.model4Package;
+
+import org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefNonContainedElement;
+import org.eclipse.emf.cdo.tests.model4interfaces.model4interfacesPackage;
+
+import org.eclipse.emf.common.util.EList;
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.internal.cdo.CDOObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Impl Multi Ref Non Container</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefNonContainerImpl#getElements <em>Elements</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class ImplMultiRefNonContainerImpl extends CDOObjectImpl implements ImplMultiRefNonContainer {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ImplMultiRefNonContainerImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return model4Package.Literals.IMPL_MULTI_REF_NON_CONTAINER;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected int eStaticFeatureCount() {
+		return 0;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	public EList<IMultiRefNonContainedElement> getElements() {
+		return (EList<IMultiRefNonContainedElement>)eGet(model4interfacesPackage.Literals.IMULTI_REF_NON_CONTAINER__ELEMENTS, true);
+	}
+
+} //ImplMultiRefNonContainerImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplMultiRefNonContainerNPLImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplMultiRefNonContainerNPLImpl.java
new file mode 100644
index 0000000000..ab071610fd
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplMultiRefNonContainerNPLImpl.java
@@ -0,0 +1,74 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: ImplMultiRefNonContainerNPLImpl.java,v 1.1 2008-07-10 15:42:28 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.ImplMultiRefNonContainerNPL;
+import org.eclipse.emf.cdo.tests.model4.model4Package;
+
+import org.eclipse.emf.cdo.tests.model4interfaces.IContainedElementNoParentLink;
+import org.eclipse.emf.cdo.tests.model4interfaces.model4interfacesPackage;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.internal.cdo.CDOObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Impl Multi Ref Non Container NPL</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefNonContainerNPLImpl#getElements <em>Elements</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class ImplMultiRefNonContainerNPLImpl extends CDOObjectImpl implements ImplMultiRefNonContainerNPL {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ImplMultiRefNonContainerNPLImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return model4Package.Literals.IMPL_MULTI_REF_NON_CONTAINER_NPL;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected int eStaticFeatureCount() {
+		return 0;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	public EList<IContainedElementNoParentLink> getElements() {
+		return (EList<IContainedElementNoParentLink>)eGet(model4interfacesPackage.Literals.IMULTI_REF_NON_CONTAINER_NPL__ELEMENTS, true);
+	}
+
+} //ImplMultiRefNonContainerNPLImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplSingleRefContainedElementImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplSingleRefContainedElementImpl.java
new file mode 100644
index 0000000000..eceb192a3c
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplSingleRefContainedElementImpl.java
@@ -0,0 +1,99 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: ImplSingleRefContainedElementImpl.java,v 1.1 2008-07-10 15:42:28 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.ImplSingleRefContainedElement;
+import org.eclipse.emf.cdo.tests.model4.model4Package;
+
+import org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefContainer;
+import org.eclipse.emf.cdo.tests.model4interfaces.model4interfacesPackage;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.internal.cdo.CDOObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Impl Single Ref Contained Element</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefContainedElementImpl#getParent <em>Parent</em>}</li>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefContainedElementImpl#getName <em>Name</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class ImplSingleRefContainedElementImpl extends CDOObjectImpl implements ImplSingleRefContainedElement {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ImplSingleRefContainedElementImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return model4Package.Literals.IMPL_SINGLE_REF_CONTAINED_ELEMENT;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected int eStaticFeatureCount() {
+		return 0;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ISingleRefContainer getParent() {
+		return (ISingleRefContainer)eGet(model4interfacesPackage.Literals.ISINGLE_REF_CONTAINED_ELEMENT__PARENT, true);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setParent(ISingleRefContainer newParent) {
+		eSet(model4interfacesPackage.Literals.ISINGLE_REF_CONTAINED_ELEMENT__PARENT, newParent);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String getName() {
+		return (String)eGet(model4Package.Literals.IMPL_SINGLE_REF_CONTAINED_ELEMENT__NAME, true);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setName(String newName) {
+		eSet(model4Package.Literals.IMPL_SINGLE_REF_CONTAINED_ELEMENT__NAME, newName);
+	}
+
+} //ImplSingleRefContainedElementImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplSingleRefContainerImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplSingleRefContainerImpl.java
new file mode 100644
index 0000000000..f05a2f2103
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplSingleRefContainerImpl.java
@@ -0,0 +1,80 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: ImplSingleRefContainerImpl.java,v 1.1 2008-07-10 15:42:28 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.ImplSingleRefContainer;
+import org.eclipse.emf.cdo.tests.model4.model4Package;
+
+import org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefContainedElement;
+import org.eclipse.emf.cdo.tests.model4interfaces.model4interfacesPackage;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.internal.cdo.CDOObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Impl Single Ref Container</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefContainerImpl#getElement <em>Element</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class ImplSingleRefContainerImpl extends CDOObjectImpl implements ImplSingleRefContainer {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ImplSingleRefContainerImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return model4Package.Literals.IMPL_SINGLE_REF_CONTAINER;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected int eStaticFeatureCount() {
+		return 0;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ISingleRefContainedElement getElement() {
+		return (ISingleRefContainedElement)eGet(model4interfacesPackage.Literals.ISINGLE_REF_CONTAINER__ELEMENT, true);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setElement(ISingleRefContainedElement newElement) {
+		eSet(model4interfacesPackage.Literals.ISINGLE_REF_CONTAINER__ELEMENT, newElement);
+	}
+
+} //ImplSingleRefContainerImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplSingleRefContainerNPLImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplSingleRefContainerNPLImpl.java
new file mode 100644
index 0000000000..9604041cdb
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplSingleRefContainerNPLImpl.java
@@ -0,0 +1,80 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: ImplSingleRefContainerNPLImpl.java,v 1.1 2008-07-10 15:42:28 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.ImplSingleRefContainerNPL;
+import org.eclipse.emf.cdo.tests.model4.model4Package;
+
+import org.eclipse.emf.cdo.tests.model4interfaces.IContainedElementNoParentLink;
+import org.eclipse.emf.cdo.tests.model4interfaces.model4interfacesPackage;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.internal.cdo.CDOObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Impl Single Ref Container NPL</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefContainerNPLImpl#getElement <em>Element</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class ImplSingleRefContainerNPLImpl extends CDOObjectImpl implements ImplSingleRefContainerNPL {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ImplSingleRefContainerNPLImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return model4Package.Literals.IMPL_SINGLE_REF_CONTAINER_NPL;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected int eStaticFeatureCount() {
+		return 0;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public IContainedElementNoParentLink getElement() {
+		return (IContainedElementNoParentLink)eGet(model4interfacesPackage.Literals.ISINGLE_REF_CONTAINER_NPL__ELEMENT, true);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setElement(IContainedElementNoParentLink newElement) {
+		eSet(model4interfacesPackage.Literals.ISINGLE_REF_CONTAINER_NPL__ELEMENT, newElement);
+	}
+
+} //ImplSingleRefContainerNPLImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplSingleRefNonContainedElementImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplSingleRefNonContainedElementImpl.java
new file mode 100644
index 0000000000..6a31705e86
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplSingleRefNonContainedElementImpl.java
@@ -0,0 +1,99 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: ImplSingleRefNonContainedElementImpl.java,v 1.1 2008-07-10 15:42:27 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.ImplSingleRefNonContainedElement;
+import org.eclipse.emf.cdo.tests.model4.model4Package;
+
+import org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefNonContainer;
+import org.eclipse.emf.cdo.tests.model4interfaces.model4interfacesPackage;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.internal.cdo.CDOObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Impl Single Ref Non Contained Element</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefNonContainedElementImpl#getParent <em>Parent</em>}</li>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefNonContainedElementImpl#getName <em>Name</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class ImplSingleRefNonContainedElementImpl extends CDOObjectImpl implements ImplSingleRefNonContainedElement {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ImplSingleRefNonContainedElementImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return model4Package.Literals.IMPL_SINGLE_REF_NON_CONTAINED_ELEMENT;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected int eStaticFeatureCount() {
+		return 0;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ISingleRefNonContainer getParent() {
+		return (ISingleRefNonContainer)eGet(model4interfacesPackage.Literals.ISINGLE_REF_NON_CONTAINED_ELEMENT__PARENT, true);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setParent(ISingleRefNonContainer newParent) {
+		eSet(model4interfacesPackage.Literals.ISINGLE_REF_NON_CONTAINED_ELEMENT__PARENT, newParent);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String getName() {
+		return (String)eGet(model4Package.Literals.IMPL_SINGLE_REF_NON_CONTAINED_ELEMENT__NAME, true);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setName(String newName) {
+		eSet(model4Package.Literals.IMPL_SINGLE_REF_NON_CONTAINED_ELEMENT__NAME, newName);
+	}
+
+} //ImplSingleRefNonContainedElementImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplSingleRefNonContainerImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplSingleRefNonContainerImpl.java
new file mode 100644
index 0000000000..8529129f0f
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplSingleRefNonContainerImpl.java
@@ -0,0 +1,80 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: ImplSingleRefNonContainerImpl.java,v 1.1 2008-07-10 15:42:27 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.ImplSingleRefNonContainer;
+import org.eclipse.emf.cdo.tests.model4.model4Package;
+
+import org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefNonContainedElement;
+import org.eclipse.emf.cdo.tests.model4interfaces.model4interfacesPackage;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.internal.cdo.CDOObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Impl Single Ref Non Container</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefNonContainerImpl#getElement <em>Element</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class ImplSingleRefNonContainerImpl extends CDOObjectImpl implements ImplSingleRefNonContainer {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ImplSingleRefNonContainerImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return model4Package.Literals.IMPL_SINGLE_REF_NON_CONTAINER;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected int eStaticFeatureCount() {
+		return 0;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ISingleRefNonContainedElement getElement() {
+		return (ISingleRefNonContainedElement)eGet(model4interfacesPackage.Literals.ISINGLE_REF_NON_CONTAINER__ELEMENT, true);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setElement(ISingleRefNonContainedElement newElement) {
+		eSet(model4interfacesPackage.Literals.ISINGLE_REF_NON_CONTAINER__ELEMENT, newElement);
+	}
+
+} //ImplSingleRefNonContainerImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplSingleRefNonContainerNPLImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplSingleRefNonContainerNPLImpl.java
new file mode 100644
index 0000000000..cb65b03aff
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/ImplSingleRefNonContainerNPLImpl.java
@@ -0,0 +1,80 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: ImplSingleRefNonContainerNPLImpl.java,v 1.1 2008-07-10 15:42:28 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.ImplSingleRefNonContainerNPL;
+import org.eclipse.emf.cdo.tests.model4.model4Package;
+
+import org.eclipse.emf.cdo.tests.model4interfaces.IContainedElementNoParentLink;
+import org.eclipse.emf.cdo.tests.model4interfaces.model4interfacesPackage;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.internal.cdo.CDOObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Impl Single Ref Non Container NPL</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefNonContainerNPLImpl#getElement <em>Element</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class ImplSingleRefNonContainerNPLImpl extends CDOObjectImpl implements ImplSingleRefNonContainerNPL {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ImplSingleRefNonContainerNPLImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return model4Package.Literals.IMPL_SINGLE_REF_NON_CONTAINER_NPL;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected int eStaticFeatureCount() {
+		return 0;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public IContainedElementNoParentLink getElement() {
+		return (IContainedElementNoParentLink)eGet(model4interfacesPackage.Literals.ISINGLE_REF_NON_CONTAINER_NPL__ELEMENT, true);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setElement(IContainedElementNoParentLink newElement) {
+		eSet(model4interfacesPackage.Literals.ISINGLE_REF_NON_CONTAINER_NPL__ELEMENT, newElement);
+	}
+
+} //ImplSingleRefNonContainerNPLImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/MultiContainedElementImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/MultiContainedElementImpl.java
new file mode 100644
index 0000000000..1aa841397f
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/MultiContainedElementImpl.java
@@ -0,0 +1,97 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: MultiContainedElementImpl.java,v 1.1 2008-07-10 15:42:27 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.MultiContainedElement;
+import org.eclipse.emf.cdo.tests.model4.RefMultiContained;
+import org.eclipse.emf.cdo.tests.model4.model4Package;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.internal.cdo.CDOObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Multi Contained Element</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.MultiContainedElementImpl#getName <em>Name</em>}</li>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.MultiContainedElementImpl#getParent <em>Parent</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class MultiContainedElementImpl extends CDOObjectImpl implements MultiContainedElement {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected MultiContainedElementImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return model4Package.Literals.MULTI_CONTAINED_ELEMENT;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected int eStaticFeatureCount() {
+		return 0;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String getName() {
+		return (String)eGet(model4Package.Literals.MULTI_CONTAINED_ELEMENT__NAME, true);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setName(String newName) {
+		eSet(model4Package.Literals.MULTI_CONTAINED_ELEMENT__NAME, newName);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public RefMultiContained getParent() {
+		return (RefMultiContained)eGet(model4Package.Literals.MULTI_CONTAINED_ELEMENT__PARENT, true);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setParent(RefMultiContained newParent) {
+		eSet(model4Package.Literals.MULTI_CONTAINED_ELEMENT__PARENT, newParent);
+	}
+
+} //MultiContainedElementImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/MultiNonContainedElementImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/MultiNonContainedElementImpl.java
new file mode 100644
index 0000000000..89dd967790
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/MultiNonContainedElementImpl.java
@@ -0,0 +1,97 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: MultiNonContainedElementImpl.java,v 1.1 2008-07-10 15:42:27 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.MultiNonContainedElement;
+import org.eclipse.emf.cdo.tests.model4.RefMultiNonContained;
+import org.eclipse.emf.cdo.tests.model4.model4Package;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.internal.cdo.CDOObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Multi Non Contained Element</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.MultiNonContainedElementImpl#getName <em>Name</em>}</li>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.MultiNonContainedElementImpl#getParent <em>Parent</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class MultiNonContainedElementImpl extends CDOObjectImpl implements MultiNonContainedElement {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected MultiNonContainedElementImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return model4Package.Literals.MULTI_NON_CONTAINED_ELEMENT;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected int eStaticFeatureCount() {
+		return 0;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String getName() {
+		return (String)eGet(model4Package.Literals.MULTI_NON_CONTAINED_ELEMENT__NAME, true);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setName(String newName) {
+		eSet(model4Package.Literals.MULTI_NON_CONTAINED_ELEMENT__NAME, newName);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public RefMultiNonContained getParent() {
+		return (RefMultiNonContained)eGet(model4Package.Literals.MULTI_NON_CONTAINED_ELEMENT__PARENT, true);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setParent(RefMultiNonContained newParent) {
+		eSet(model4Package.Literals.MULTI_NON_CONTAINED_ELEMENT__PARENT, newParent);
+	}
+
+} //MultiNonContainedElementImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/RefMultiContainedImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/RefMultiContainedImpl.java
new file mode 100644
index 0000000000..f1006c343c
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/RefMultiContainedImpl.java
@@ -0,0 +1,72 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: RefMultiContainedImpl.java,v 1.1 2008-07-10 15:42:28 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.MultiContainedElement;
+import org.eclipse.emf.cdo.tests.model4.RefMultiContained;
+import org.eclipse.emf.cdo.tests.model4.model4Package;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.internal.cdo.CDOObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Ref Multi Contained</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.RefMultiContainedImpl#getElements <em>Elements</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class RefMultiContainedImpl extends CDOObjectImpl implements RefMultiContained {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected RefMultiContainedImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return model4Package.Literals.REF_MULTI_CONTAINED;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected int eStaticFeatureCount() {
+		return 0;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	public EList<MultiContainedElement> getElements() {
+		return (EList<MultiContainedElement>)eGet(model4Package.Literals.REF_MULTI_CONTAINED__ELEMENTS, true);
+	}
+
+} //RefMultiContainedImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/RefMultiContainedNPLImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/RefMultiContainedNPLImpl.java
new file mode 100644
index 0000000000..14a9c831ec
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/RefMultiContainedNPLImpl.java
@@ -0,0 +1,72 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: RefMultiContainedNPLImpl.java,v 1.1 2008-07-10 15:42:27 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.ContainedElementNoOpposite;
+import org.eclipse.emf.cdo.tests.model4.RefMultiContainedNPL;
+import org.eclipse.emf.cdo.tests.model4.model4Package;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.internal.cdo.CDOObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Ref Multi Contained NPL</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.RefMultiContainedNPLImpl#getElements <em>Elements</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class RefMultiContainedNPLImpl extends CDOObjectImpl implements RefMultiContainedNPL {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected RefMultiContainedNPLImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return model4Package.Literals.REF_MULTI_CONTAINED_NPL;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected int eStaticFeatureCount() {
+		return 0;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	public EList<ContainedElementNoOpposite> getElements() {
+		return (EList<ContainedElementNoOpposite>)eGet(model4Package.Literals.REF_MULTI_CONTAINED_NPL__ELEMENTS, true);
+	}
+
+} //RefMultiContainedNPLImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/RefMultiNonContainedImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/RefMultiNonContainedImpl.java
new file mode 100644
index 0000000000..20efa6c9f7
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/RefMultiNonContainedImpl.java
@@ -0,0 +1,72 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: RefMultiNonContainedImpl.java,v 1.1 2008-07-10 15:42:27 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.MultiNonContainedElement;
+import org.eclipse.emf.cdo.tests.model4.RefMultiNonContained;
+import org.eclipse.emf.cdo.tests.model4.model4Package;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.internal.cdo.CDOObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Ref Multi Non Contained</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.RefMultiNonContainedImpl#getElements <em>Elements</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class RefMultiNonContainedImpl extends CDOObjectImpl implements RefMultiNonContained {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected RefMultiNonContainedImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return model4Package.Literals.REF_MULTI_NON_CONTAINED;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected int eStaticFeatureCount() {
+		return 0;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	public EList<MultiNonContainedElement> getElements() {
+		return (EList<MultiNonContainedElement>)eGet(model4Package.Literals.REF_MULTI_NON_CONTAINED__ELEMENTS, true);
+	}
+
+} //RefMultiNonContainedImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/RefMultiNonContainedNPLImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/RefMultiNonContainedNPLImpl.java
new file mode 100644
index 0000000000..4e0e06d3e0
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/RefMultiNonContainedNPLImpl.java
@@ -0,0 +1,72 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: RefMultiNonContainedNPLImpl.java,v 1.1 2008-07-10 15:42:27 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.ContainedElementNoOpposite;
+import org.eclipse.emf.cdo.tests.model4.RefMultiNonContainedNPL;
+import org.eclipse.emf.cdo.tests.model4.model4Package;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.internal.cdo.CDOObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Ref Multi Non Contained NPL</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.RefMultiNonContainedNPLImpl#getElements <em>Elements</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class RefMultiNonContainedNPLImpl extends CDOObjectImpl implements RefMultiNonContainedNPL {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected RefMultiNonContainedNPLImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return model4Package.Literals.REF_MULTI_NON_CONTAINED_NPL;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected int eStaticFeatureCount() {
+		return 0;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	public EList<ContainedElementNoOpposite> getElements() {
+		return (EList<ContainedElementNoOpposite>)eGet(model4Package.Literals.REF_MULTI_NON_CONTAINED_NPL__ELEMENTS, true);
+	}
+
+} //RefMultiNonContainedNPLImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/RefSingleContainedImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/RefSingleContainedImpl.java
new file mode 100644
index 0000000000..6ef871e2ee
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/RefSingleContainedImpl.java
@@ -0,0 +1,78 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: RefSingleContainedImpl.java,v 1.1 2008-07-10 15:42:28 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.RefSingleContained;
+import org.eclipse.emf.cdo.tests.model4.SingleContainedElement;
+import org.eclipse.emf.cdo.tests.model4.model4Package;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.internal.cdo.CDOObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Ref Single Contained</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.RefSingleContainedImpl#getElement <em>Element</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class RefSingleContainedImpl extends CDOObjectImpl implements RefSingleContained {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected RefSingleContainedImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return model4Package.Literals.REF_SINGLE_CONTAINED;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected int eStaticFeatureCount() {
+		return 0;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public SingleContainedElement getElement() {
+		return (SingleContainedElement)eGet(model4Package.Literals.REF_SINGLE_CONTAINED__ELEMENT, true);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setElement(SingleContainedElement newElement) {
+		eSet(model4Package.Literals.REF_SINGLE_CONTAINED__ELEMENT, newElement);
+	}
+
+} //RefSingleContainedImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/RefSingleContainedNPLImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/RefSingleContainedNPLImpl.java
new file mode 100644
index 0000000000..77e4e6a128
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/RefSingleContainedNPLImpl.java
@@ -0,0 +1,78 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: RefSingleContainedNPLImpl.java,v 1.1 2008-07-10 15:42:27 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.ContainedElementNoOpposite;
+import org.eclipse.emf.cdo.tests.model4.RefSingleContainedNPL;
+import org.eclipse.emf.cdo.tests.model4.model4Package;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.internal.cdo.CDOObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Ref Single Contained NPL</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.RefSingleContainedNPLImpl#getElement <em>Element</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class RefSingleContainedNPLImpl extends CDOObjectImpl implements RefSingleContainedNPL {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected RefSingleContainedNPLImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return model4Package.Literals.REF_SINGLE_CONTAINED_NPL;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected int eStaticFeatureCount() {
+		return 0;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ContainedElementNoOpposite getElement() {
+		return (ContainedElementNoOpposite)eGet(model4Package.Literals.REF_SINGLE_CONTAINED_NPL__ELEMENT, true);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setElement(ContainedElementNoOpposite newElement) {
+		eSet(model4Package.Literals.REF_SINGLE_CONTAINED_NPL__ELEMENT, newElement);
+	}
+
+} //RefSingleContainedNPLImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/RefSingleNonContainedImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/RefSingleNonContainedImpl.java
new file mode 100644
index 0000000000..14e21c765a
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/RefSingleNonContainedImpl.java
@@ -0,0 +1,78 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: RefSingleNonContainedImpl.java,v 1.1 2008-07-10 15:42:28 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.RefSingleNonContained;
+import org.eclipse.emf.cdo.tests.model4.SingleNonContainedElement;
+import org.eclipse.emf.cdo.tests.model4.model4Package;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.internal.cdo.CDOObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Ref Single Non Contained</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.RefSingleNonContainedImpl#getElement <em>Element</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class RefSingleNonContainedImpl extends CDOObjectImpl implements RefSingleNonContained {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected RefSingleNonContainedImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return model4Package.Literals.REF_SINGLE_NON_CONTAINED;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected int eStaticFeatureCount() {
+		return 0;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public SingleNonContainedElement getElement() {
+		return (SingleNonContainedElement)eGet(model4Package.Literals.REF_SINGLE_NON_CONTAINED__ELEMENT, true);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setElement(SingleNonContainedElement newElement) {
+		eSet(model4Package.Literals.REF_SINGLE_NON_CONTAINED__ELEMENT, newElement);
+	}
+
+} //RefSingleNonContainedImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/RefSingleNonContainedNPLImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/RefSingleNonContainedNPLImpl.java
new file mode 100644
index 0000000000..b3be3332bb
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/RefSingleNonContainedNPLImpl.java
@@ -0,0 +1,78 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: RefSingleNonContainedNPLImpl.java,v 1.1 2008-07-10 15:42:27 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.ContainedElementNoOpposite;
+import org.eclipse.emf.cdo.tests.model4.RefSingleNonContainedNPL;
+import org.eclipse.emf.cdo.tests.model4.model4Package;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.internal.cdo.CDOObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Ref Single Non Contained NPL</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.RefSingleNonContainedNPLImpl#getElement <em>Element</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class RefSingleNonContainedNPLImpl extends CDOObjectImpl implements RefSingleNonContainedNPL {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected RefSingleNonContainedNPLImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return model4Package.Literals.REF_SINGLE_NON_CONTAINED_NPL;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected int eStaticFeatureCount() {
+		return 0;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ContainedElementNoOpposite getElement() {
+		return (ContainedElementNoOpposite)eGet(model4Package.Literals.REF_SINGLE_NON_CONTAINED_NPL__ELEMENT, true);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setElement(ContainedElementNoOpposite newElement) {
+		eSet(model4Package.Literals.REF_SINGLE_NON_CONTAINED_NPL__ELEMENT, newElement);
+	}
+
+} //RefSingleNonContainedNPLImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/SingleContainedElementImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/SingleContainedElementImpl.java
new file mode 100644
index 0000000000..01fd717eea
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/SingleContainedElementImpl.java
@@ -0,0 +1,97 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: SingleContainedElementImpl.java,v 1.1 2008-07-10 15:42:27 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.RefSingleContained;
+import org.eclipse.emf.cdo.tests.model4.SingleContainedElement;
+import org.eclipse.emf.cdo.tests.model4.model4Package;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.internal.cdo.CDOObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Single Contained Element</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.SingleContainedElementImpl#getName <em>Name</em>}</li>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.SingleContainedElementImpl#getParent <em>Parent</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class SingleContainedElementImpl extends CDOObjectImpl implements SingleContainedElement {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected SingleContainedElementImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return model4Package.Literals.SINGLE_CONTAINED_ELEMENT;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected int eStaticFeatureCount() {
+		return 0;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String getName() {
+		return (String)eGet(model4Package.Literals.SINGLE_CONTAINED_ELEMENT__NAME, true);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setName(String newName) {
+		eSet(model4Package.Literals.SINGLE_CONTAINED_ELEMENT__NAME, newName);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public RefSingleContained getParent() {
+		return (RefSingleContained)eGet(model4Package.Literals.SINGLE_CONTAINED_ELEMENT__PARENT, true);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setParent(RefSingleContained newParent) {
+		eSet(model4Package.Literals.SINGLE_CONTAINED_ELEMENT__PARENT, newParent);
+	}
+
+} //SingleContainedElementImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/SingleNonContainedElementImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/SingleNonContainedElementImpl.java
new file mode 100644
index 0000000000..c0e0daec63
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/SingleNonContainedElementImpl.java
@@ -0,0 +1,97 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: SingleNonContainedElementImpl.java,v 1.1 2008-07-10 15:42:28 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.RefSingleNonContained;
+import org.eclipse.emf.cdo.tests.model4.SingleNonContainedElement;
+import org.eclipse.emf.cdo.tests.model4.model4Package;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.internal.cdo.CDOObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Single Non Contained Element</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.SingleNonContainedElementImpl#getName <em>Name</em>}</li>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model4.impl.SingleNonContainedElementImpl#getParent <em>Parent</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class SingleNonContainedElementImpl extends CDOObjectImpl implements SingleNonContainedElement {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected SingleNonContainedElementImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return model4Package.Literals.SINGLE_NON_CONTAINED_ELEMENT;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected int eStaticFeatureCount() {
+		return 0;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String getName() {
+		return (String)eGet(model4Package.Literals.SINGLE_NON_CONTAINED_ELEMENT__NAME, true);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setName(String newName) {
+		eSet(model4Package.Literals.SINGLE_NON_CONTAINED_ELEMENT__NAME, newName);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public RefSingleNonContained getParent() {
+		return (RefSingleNonContained)eGet(model4Package.Literals.SINGLE_NON_CONTAINED_ELEMENT__PARENT, true);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setParent(RefSingleNonContained newParent) {
+		eSet(model4Package.Literals.SINGLE_NON_CONTAINED_ELEMENT__PARENT, newParent);
+	}
+
+} //SingleNonContainedElementImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/model4FactoryImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/model4FactoryImpl.java
new file mode 100644
index 0000000000..bbfc4206f3
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/model4FactoryImpl.java
@@ -0,0 +1,418 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: model4FactoryImpl.java,v 1.1 2008-07-10 15:42:27 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.*;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EPackage;
+
+import org.eclipse.emf.ecore.impl.EFactoryImpl;
+
+import org.eclipse.emf.ecore.plugin.EcorePlugin;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model <b>Factory</b>.
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class model4FactoryImpl extends EFactoryImpl implements model4Factory {
+	/**
+	 * Creates the default factory implementation.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public static model4Factory init() {
+		try {
+			model4Factory themodel4Factory = (model4Factory)EPackage.Registry.INSTANCE.getEFactory("http://www.eclipse.org/emf/CDO/tests/model4/1.0.0"); 
+			if (themodel4Factory != null) {
+				return themodel4Factory;
+			}
+		}
+		catch (Exception exception) {
+			EcorePlugin.INSTANCE.log(exception);
+		}
+		return new model4FactoryImpl();
+	}
+
+	/**
+	 * Creates an instance of the factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public model4FactoryImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public EObject create(EClass eClass) {
+		switch (eClass.getClassifierID()) {
+			case model4Package.REF_SINGLE_CONTAINED: return (EObject)createRefSingleContained();
+			case model4Package.SINGLE_CONTAINED_ELEMENT: return (EObject)createSingleContainedElement();
+			case model4Package.REF_SINGLE_NON_CONTAINED: return (EObject)createRefSingleNonContained();
+			case model4Package.SINGLE_NON_CONTAINED_ELEMENT: return (EObject)createSingleNonContainedElement();
+			case model4Package.REF_MULTI_CONTAINED: return (EObject)createRefMultiContained();
+			case model4Package.MULTI_CONTAINED_ELEMENT: return (EObject)createMultiContainedElement();
+			case model4Package.REF_MULTI_NON_CONTAINED: return (EObject)createRefMultiNonContained();
+			case model4Package.MULTI_NON_CONTAINED_ELEMENT: return (EObject)createMultiNonContainedElement();
+			case model4Package.REF_SINGLE_CONTAINED_NPL: return (EObject)createRefSingleContainedNPL();
+			case model4Package.REF_SINGLE_NON_CONTAINED_NPL: return (EObject)createRefSingleNonContainedNPL();
+			case model4Package.REF_MULTI_CONTAINED_NPL: return (EObject)createRefMultiContainedNPL();
+			case model4Package.REF_MULTI_NON_CONTAINED_NPL: return (EObject)createRefMultiNonContainedNPL();
+			case model4Package.CONTAINED_ELEMENT_NO_OPPOSITE: return (EObject)createContainedElementNoOpposite();
+			case model4Package.GEN_REF_SINGLE_CONTAINED: return (EObject)createGenRefSingleContained();
+			case model4Package.GEN_REF_SINGLE_NON_CONTAINED: return (EObject)createGenRefSingleNonContained();
+			case model4Package.GEN_REF_MULTI_CONTAINED: return (EObject)createGenRefMultiContained();
+			case model4Package.GEN_REF_MULTI_NON_CONTAINED: return (EObject)createGenRefMultiNonContained();
+			case model4Package.IMPL_SINGLE_REF_CONTAINER: return (EObject)createImplSingleRefContainer();
+			case model4Package.IMPL_SINGLE_REF_CONTAINED_ELEMENT: return (EObject)createImplSingleRefContainedElement();
+			case model4Package.IMPL_SINGLE_REF_NON_CONTAINER: return (EObject)createImplSingleRefNonContainer();
+			case model4Package.IMPL_SINGLE_REF_NON_CONTAINED_ELEMENT: return (EObject)createImplSingleRefNonContainedElement();
+			case model4Package.IMPL_MULTI_REF_NON_CONTAINER: return (EObject)createImplMultiRefNonContainer();
+			case model4Package.IMPL_MULTI_REF_NON_CONTAINED_ELEMENT: return (EObject)createImplMultiRefNonContainedElement();
+			case model4Package.IMPL_MULTI_REF_CONTAINER: return (EObject)createImplMultiRefContainer();
+			case model4Package.IMPL_MULTI_REF_CONTAINED_ELEMENT: return (EObject)createImplMultiRefContainedElement();
+			case model4Package.IMPL_SINGLE_REF_CONTAINER_NPL: return (EObject)createImplSingleRefContainerNPL();
+			case model4Package.IMPL_SINGLE_REF_NON_CONTAINER_NPL: return (EObject)createImplSingleRefNonContainerNPL();
+			case model4Package.IMPL_MULTI_REF_CONTAINER_NPL: return (EObject)createImplMultiRefContainerNPL();
+			case model4Package.IMPL_MULTI_REF_NON_CONTAINER_NPL: return (EObject)createImplMultiRefNonContainerNPL();
+			case model4Package.IMPL_CONTAINED_ELEMENT_NPL: return (EObject)createImplContainedElementNPL();
+			default:
+				throw new IllegalArgumentException("The class '" + eClass.getName() + "' is not a valid classifier");
+		}
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public RefSingleContained createRefSingleContained() {
+		RefSingleContainedImpl refSingleContained = new RefSingleContainedImpl();
+		return refSingleContained;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public SingleContainedElement createSingleContainedElement() {
+		SingleContainedElementImpl singleContainedElement = new SingleContainedElementImpl();
+		return singleContainedElement;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public RefSingleNonContained createRefSingleNonContained() {
+		RefSingleNonContainedImpl refSingleNonContained = new RefSingleNonContainedImpl();
+		return refSingleNonContained;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public SingleNonContainedElement createSingleNonContainedElement() {
+		SingleNonContainedElementImpl singleNonContainedElement = new SingleNonContainedElementImpl();
+		return singleNonContainedElement;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public RefMultiContained createRefMultiContained() {
+		RefMultiContainedImpl refMultiContained = new RefMultiContainedImpl();
+		return refMultiContained;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public MultiContainedElement createMultiContainedElement() {
+		MultiContainedElementImpl multiContainedElement = new MultiContainedElementImpl();
+		return multiContainedElement;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public RefMultiNonContained createRefMultiNonContained() {
+		RefMultiNonContainedImpl refMultiNonContained = new RefMultiNonContainedImpl();
+		return refMultiNonContained;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public MultiNonContainedElement createMultiNonContainedElement() {
+		MultiNonContainedElementImpl multiNonContainedElement = new MultiNonContainedElementImpl();
+		return multiNonContainedElement;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public RefSingleContainedNPL createRefSingleContainedNPL() {
+		RefSingleContainedNPLImpl refSingleContainedNPL = new RefSingleContainedNPLImpl();
+		return refSingleContainedNPL;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public RefSingleNonContainedNPL createRefSingleNonContainedNPL() {
+		RefSingleNonContainedNPLImpl refSingleNonContainedNPL = new RefSingleNonContainedNPLImpl();
+		return refSingleNonContainedNPL;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public RefMultiContainedNPL createRefMultiContainedNPL() {
+		RefMultiContainedNPLImpl refMultiContainedNPL = new RefMultiContainedNPLImpl();
+		return refMultiContainedNPL;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public RefMultiNonContainedNPL createRefMultiNonContainedNPL() {
+		RefMultiNonContainedNPLImpl refMultiNonContainedNPL = new RefMultiNonContainedNPLImpl();
+		return refMultiNonContainedNPL;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ContainedElementNoOpposite createContainedElementNoOpposite() {
+		ContainedElementNoOppositeImpl containedElementNoOpposite = new ContainedElementNoOppositeImpl();
+		return containedElementNoOpposite;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public GenRefSingleContained createGenRefSingleContained() {
+		GenRefSingleContainedImpl genRefSingleContained = new GenRefSingleContainedImpl();
+		return genRefSingleContained;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public GenRefSingleNonContained createGenRefSingleNonContained() {
+		GenRefSingleNonContainedImpl genRefSingleNonContained = new GenRefSingleNonContainedImpl();
+		return genRefSingleNonContained;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public GenRefMultiContained createGenRefMultiContained() {
+		GenRefMultiContainedImpl genRefMultiContained = new GenRefMultiContainedImpl();
+		return genRefMultiContained;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public GenRefMultiNonContained createGenRefMultiNonContained() {
+		GenRefMultiNonContainedImpl genRefMultiNonContained = new GenRefMultiNonContainedImpl();
+		return genRefMultiNonContained;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ImplSingleRefContainer createImplSingleRefContainer() {
+		ImplSingleRefContainerImpl implSingleRefContainer = new ImplSingleRefContainerImpl();
+		return implSingleRefContainer;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ImplSingleRefContainedElement createImplSingleRefContainedElement() {
+		ImplSingleRefContainedElementImpl implSingleRefContainedElement = new ImplSingleRefContainedElementImpl();
+		return implSingleRefContainedElement;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ImplSingleRefNonContainer createImplSingleRefNonContainer() {
+		ImplSingleRefNonContainerImpl implSingleRefNonContainer = new ImplSingleRefNonContainerImpl();
+		return implSingleRefNonContainer;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ImplSingleRefNonContainedElement createImplSingleRefNonContainedElement() {
+		ImplSingleRefNonContainedElementImpl implSingleRefNonContainedElement = new ImplSingleRefNonContainedElementImpl();
+		return implSingleRefNonContainedElement;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ImplMultiRefNonContainer createImplMultiRefNonContainer() {
+		ImplMultiRefNonContainerImpl implMultiRefNonContainer = new ImplMultiRefNonContainerImpl();
+		return implMultiRefNonContainer;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ImplMultiRefNonContainedElement createImplMultiRefNonContainedElement() {
+		ImplMultiRefNonContainedElementImpl implMultiRefNonContainedElement = new ImplMultiRefNonContainedElementImpl();
+		return implMultiRefNonContainedElement;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ImplMultiRefContainer createImplMultiRefContainer() {
+		ImplMultiRefContainerImpl implMultiRefContainer = new ImplMultiRefContainerImpl();
+		return implMultiRefContainer;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ImplMultiRefContainedElement createImplMultiRefContainedElement() {
+		ImplMultiRefContainedElementImpl implMultiRefContainedElement = new ImplMultiRefContainedElementImpl();
+		return implMultiRefContainedElement;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ImplSingleRefContainerNPL createImplSingleRefContainerNPL() {
+		ImplSingleRefContainerNPLImpl implSingleRefContainerNPL = new ImplSingleRefContainerNPLImpl();
+		return implSingleRefContainerNPL;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ImplSingleRefNonContainerNPL createImplSingleRefNonContainerNPL() {
+		ImplSingleRefNonContainerNPLImpl implSingleRefNonContainerNPL = new ImplSingleRefNonContainerNPLImpl();
+		return implSingleRefNonContainerNPL;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ImplMultiRefContainerNPL createImplMultiRefContainerNPL() {
+		ImplMultiRefContainerNPLImpl implMultiRefContainerNPL = new ImplMultiRefContainerNPLImpl();
+		return implMultiRefContainerNPL;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ImplMultiRefNonContainerNPL createImplMultiRefNonContainerNPL() {
+		ImplMultiRefNonContainerNPLImpl implMultiRefNonContainerNPL = new ImplMultiRefNonContainerNPLImpl();
+		return implMultiRefNonContainerNPL;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ImplContainedElementNPL createImplContainedElementNPL() {
+		ImplContainedElementNPLImpl implContainedElementNPL = new ImplContainedElementNPLImpl();
+		return implContainedElementNPL;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public model4Package getmodel4Package() {
+		return (model4Package)getEPackage();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @deprecated
+	 * @generated
+	 */
+	@Deprecated
+	public static model4Package getPackage() {
+		return model4Package.eINSTANCE;
+	}
+
+} //model4FactoryImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/model4PackageImpl.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/model4PackageImpl.java
new file mode 100644
index 0000000000..c9d65b4b78
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/impl/model4PackageImpl.java
@@ -0,0 +1,1084 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: model4PackageImpl.java,v 1.1 2008-07-10 15:42:28 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.impl;
+
+import org.eclipse.emf.cdo.tests.model4.ContainedElementNoOpposite;
+import org.eclipse.emf.cdo.tests.model4.GenRefMultiContained;
+import org.eclipse.emf.cdo.tests.model4.GenRefMultiNonContained;
+import org.eclipse.emf.cdo.tests.model4.GenRefSingleContained;
+import org.eclipse.emf.cdo.tests.model4.GenRefSingleNonContained;
+import org.eclipse.emf.cdo.tests.model4.ImplContainedElementNPL;
+import org.eclipse.emf.cdo.tests.model4.ImplMultiRefContainedElement;
+import org.eclipse.emf.cdo.tests.model4.ImplMultiRefContainer;
+import org.eclipse.emf.cdo.tests.model4.ImplMultiRefContainerNPL;
+import org.eclipse.emf.cdo.tests.model4.ImplMultiRefNonContainedElement;
+import org.eclipse.emf.cdo.tests.model4.ImplMultiRefNonContainer;
+import org.eclipse.emf.cdo.tests.model4.ImplMultiRefNonContainerNPL;
+import org.eclipse.emf.cdo.tests.model4.ImplSingleRefContainedElement;
+import org.eclipse.emf.cdo.tests.model4.ImplSingleRefContainer;
+import org.eclipse.emf.cdo.tests.model4.ImplSingleRefContainerNPL;
+import org.eclipse.emf.cdo.tests.model4.ImplSingleRefNonContainedElement;
+import org.eclipse.emf.cdo.tests.model4.ImplSingleRefNonContainer;
+import org.eclipse.emf.cdo.tests.model4.ImplSingleRefNonContainerNPL;
+import org.eclipse.emf.cdo.tests.model4.MultiContainedElement;
+import org.eclipse.emf.cdo.tests.model4.MultiNonContainedElement;
+import org.eclipse.emf.cdo.tests.model4.RefMultiContained;
+import org.eclipse.emf.cdo.tests.model4.RefMultiContainedNPL;
+import org.eclipse.emf.cdo.tests.model4.RefMultiNonContained;
+import org.eclipse.emf.cdo.tests.model4.RefMultiNonContainedNPL;
+import org.eclipse.emf.cdo.tests.model4.RefSingleContained;
+import org.eclipse.emf.cdo.tests.model4.RefSingleContainedNPL;
+import org.eclipse.emf.cdo.tests.model4.RefSingleNonContained;
+import org.eclipse.emf.cdo.tests.model4.RefSingleNonContainedNPL;
+import org.eclipse.emf.cdo.tests.model4.SingleContainedElement;
+import org.eclipse.emf.cdo.tests.model4.SingleNonContainedElement;
+import org.eclipse.emf.cdo.tests.model4.model4Factory;
+import org.eclipse.emf.cdo.tests.model4.model4Package;
+
+import org.eclipse.emf.cdo.tests.model4interfaces.model4interfacesPackage;
+
+import org.eclipse.emf.ecore.EAttribute;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.EReference;
+
+import org.eclipse.emf.ecore.impl.EPackageImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model <b>Package</b>.
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class model4PackageImpl extends EPackageImpl implements model4Package {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass refSingleContainedEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass singleContainedElementEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass refSingleNonContainedEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass singleNonContainedElementEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass refMultiContainedEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass multiContainedElementEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass refMultiNonContainedEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass multiNonContainedElementEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass refSingleContainedNPLEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass refSingleNonContainedNPLEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass refMultiContainedNPLEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass refMultiNonContainedNPLEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass containedElementNoOppositeEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass genRefSingleContainedEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass genRefSingleNonContainedEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass genRefMultiContainedEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass genRefMultiNonContainedEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass implSingleRefContainerEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass implSingleRefContainedElementEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass implSingleRefNonContainerEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass implSingleRefNonContainedElementEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass implMultiRefNonContainerEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass implMultiRefNonContainedElementEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass implMultiRefContainerEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass implMultiRefContainedElementEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass implSingleRefContainerNPLEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass implSingleRefNonContainerNPLEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass implMultiRefContainerNPLEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass implMultiRefNonContainerNPLEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass implContainedElementNPLEClass = null;
+
+	/**
+	 * Creates an instance of the model <b>Package</b>, registered with
+	 * {@link org.eclipse.emf.ecore.EPackage.Registry EPackage.Registry} by the package
+	 * package URI value.
+	 * <p>Note: the correct way to create the package is via the static
+	 * factory method {@link #init init()}, which also performs
+	 * initialization of the package, or returns the registered package,
+	 * if one already exists.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.ecore.EPackage.Registry
+	 * @see org.eclipse.emf.cdo.tests.model4.model4Package#eNS_URI
+	 * @see #init()
+	 * @generated
+	 */
+	private model4PackageImpl() {
+		super(eNS_URI, model4Factory.eINSTANCE);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private static boolean isInited = false;
+
+	/**
+	 * Creates, registers, and initializes the <b>Package</b> for this
+	 * model, and for any others upon which it depends.  Simple
+	 * dependencies are satisfied by calling this method on all
+	 * dependent packages before doing anything else.  This method drives
+	 * initialization for interdependent packages directly, in parallel
+	 * with this package, itself.
+	 * <p>Of this package and its interdependencies, all packages which
+	 * have not yet been registered by their URI values are first created
+	 * and registered.  The packages are then initialized in two steps:
+	 * meta-model objects for all of the packages are created before any
+	 * are initialized, since one package's meta-model objects may refer to
+	 * those of another.
+	 * <p>Invocation of this method will not affect any packages that have
+	 * already been initialized.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #eNS_URI
+	 * @see #createPackageContents()
+	 * @see #initializePackageContents()
+	 * @generated
+	 */
+	public static model4Package init() {
+		if (isInited) return (model4Package)EPackage.Registry.INSTANCE.getEPackage(model4Package.eNS_URI);
+
+		// Obtain or create and register package
+		model4PackageImpl themodel4Package = (model4PackageImpl)(EPackage.Registry.INSTANCE.getEPackage(eNS_URI) instanceof model4PackageImpl ? EPackage.Registry.INSTANCE.getEPackage(eNS_URI) : new model4PackageImpl());
+
+		isInited = true;
+
+		// Initialize simple dependencies
+		model4interfacesPackage.eINSTANCE.eClass();
+
+		// Create package meta-data objects
+		themodel4Package.createPackageContents();
+
+		// Initialize created meta-data
+		themodel4Package.initializePackageContents();
+
+		// Mark meta-data to indicate it can't be changed
+		themodel4Package.freeze();
+
+		return themodel4Package;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getRefSingleContained() {
+		return refSingleContainedEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getRefSingleContained_Element() {
+		return (EReference)refSingleContainedEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getSingleContainedElement() {
+		return singleContainedElementEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getSingleContainedElement_Name() {
+		return (EAttribute)singleContainedElementEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getSingleContainedElement_Parent() {
+		return (EReference)singleContainedElementEClass.getEStructuralFeatures().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getRefSingleNonContained() {
+		return refSingleNonContainedEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getRefSingleNonContained_Element() {
+		return (EReference)refSingleNonContainedEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getSingleNonContainedElement() {
+		return singleNonContainedElementEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getSingleNonContainedElement_Name() {
+		return (EAttribute)singleNonContainedElementEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getSingleNonContainedElement_Parent() {
+		return (EReference)singleNonContainedElementEClass.getEStructuralFeatures().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getRefMultiContained() {
+		return refMultiContainedEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getRefMultiContained_Elements() {
+		return (EReference)refMultiContainedEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getMultiContainedElement() {
+		return multiContainedElementEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getMultiContainedElement_Name() {
+		return (EAttribute)multiContainedElementEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getMultiContainedElement_Parent() {
+		return (EReference)multiContainedElementEClass.getEStructuralFeatures().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getRefMultiNonContained() {
+		return refMultiNonContainedEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getRefMultiNonContained_Elements() {
+		return (EReference)refMultiNonContainedEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getMultiNonContainedElement() {
+		return multiNonContainedElementEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getMultiNonContainedElement_Name() {
+		return (EAttribute)multiNonContainedElementEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getMultiNonContainedElement_Parent() {
+		return (EReference)multiNonContainedElementEClass.getEStructuralFeatures().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getRefSingleContainedNPL() {
+		return refSingleContainedNPLEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getRefSingleContainedNPL_Element() {
+		return (EReference)refSingleContainedNPLEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getRefSingleNonContainedNPL() {
+		return refSingleNonContainedNPLEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getRefSingleNonContainedNPL_Element() {
+		return (EReference)refSingleNonContainedNPLEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getRefMultiContainedNPL() {
+		return refMultiContainedNPLEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getRefMultiContainedNPL_Elements() {
+		return (EReference)refMultiContainedNPLEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getRefMultiNonContainedNPL() {
+		return refMultiNonContainedNPLEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getRefMultiNonContainedNPL_Elements() {
+		return (EReference)refMultiNonContainedNPLEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getContainedElementNoOpposite() {
+		return containedElementNoOppositeEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getContainedElementNoOpposite_Name() {
+		return (EAttribute)containedElementNoOppositeEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getGenRefSingleContained() {
+		return genRefSingleContainedEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getGenRefSingleContained_Element() {
+		return (EReference)genRefSingleContainedEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getGenRefSingleNonContained() {
+		return genRefSingleNonContainedEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getGenRefSingleNonContained_Element() {
+		return (EReference)genRefSingleNonContainedEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getGenRefMultiContained() {
+		return genRefMultiContainedEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getGenRefMultiContained_Elements() {
+		return (EReference)genRefMultiContainedEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getGenRefMultiNonContained() {
+		return genRefMultiNonContainedEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getGenRefMultiNonContained_Elements() {
+		return (EReference)genRefMultiNonContainedEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getImplSingleRefContainer() {
+		return implSingleRefContainerEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getImplSingleRefContainedElement() {
+		return implSingleRefContainedElementEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getImplSingleRefContainedElement_Name() {
+		return (EAttribute)implSingleRefContainedElementEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getImplSingleRefNonContainer() {
+		return implSingleRefNonContainerEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getImplSingleRefNonContainedElement() {
+		return implSingleRefNonContainedElementEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getImplSingleRefNonContainedElement_Name() {
+		return (EAttribute)implSingleRefNonContainedElementEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getImplMultiRefNonContainer() {
+		return implMultiRefNonContainerEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getImplMultiRefNonContainedElement() {
+		return implMultiRefNonContainedElementEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getImplMultiRefNonContainedElement_Name() {
+		return (EAttribute)implMultiRefNonContainedElementEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getImplMultiRefContainer() {
+		return implMultiRefContainerEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getImplMultiRefContainedElement() {
+		return implMultiRefContainedElementEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getImplMultiRefContainedElement_Name() {
+		return (EAttribute)implMultiRefContainedElementEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getImplSingleRefContainerNPL() {
+		return implSingleRefContainerNPLEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getImplSingleRefNonContainerNPL() {
+		return implSingleRefNonContainerNPLEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getImplMultiRefContainerNPL() {
+		return implMultiRefContainerNPLEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getImplMultiRefNonContainerNPL() {
+		return implMultiRefNonContainerNPLEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getImplContainedElementNPL() {
+		return implContainedElementNPLEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public model4Factory getmodel4Factory() {
+		return (model4Factory)getEFactoryInstance();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private boolean isCreated = false;
+
+	/**
+	 * Creates the meta-model objects for the package.  This method is
+	 * guarded to have no affect on any invocation but its first.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void createPackageContents() {
+		if (isCreated) return;
+		isCreated = true;
+
+		// Create classes and their features
+		refSingleContainedEClass = createEClass(REF_SINGLE_CONTAINED);
+		createEReference(refSingleContainedEClass, REF_SINGLE_CONTAINED__ELEMENT);
+
+		singleContainedElementEClass = createEClass(SINGLE_CONTAINED_ELEMENT);
+		createEAttribute(singleContainedElementEClass, SINGLE_CONTAINED_ELEMENT__NAME);
+		createEReference(singleContainedElementEClass, SINGLE_CONTAINED_ELEMENT__PARENT);
+
+		refSingleNonContainedEClass = createEClass(REF_SINGLE_NON_CONTAINED);
+		createEReference(refSingleNonContainedEClass, REF_SINGLE_NON_CONTAINED__ELEMENT);
+
+		singleNonContainedElementEClass = createEClass(SINGLE_NON_CONTAINED_ELEMENT);
+		createEAttribute(singleNonContainedElementEClass, SINGLE_NON_CONTAINED_ELEMENT__NAME);
+		createEReference(singleNonContainedElementEClass, SINGLE_NON_CONTAINED_ELEMENT__PARENT);
+
+		refMultiContainedEClass = createEClass(REF_MULTI_CONTAINED);
+		createEReference(refMultiContainedEClass, REF_MULTI_CONTAINED__ELEMENTS);
+
+		multiContainedElementEClass = createEClass(MULTI_CONTAINED_ELEMENT);
+		createEAttribute(multiContainedElementEClass, MULTI_CONTAINED_ELEMENT__NAME);
+		createEReference(multiContainedElementEClass, MULTI_CONTAINED_ELEMENT__PARENT);
+
+		refMultiNonContainedEClass = createEClass(REF_MULTI_NON_CONTAINED);
+		createEReference(refMultiNonContainedEClass, REF_MULTI_NON_CONTAINED__ELEMENTS);
+
+		multiNonContainedElementEClass = createEClass(MULTI_NON_CONTAINED_ELEMENT);
+		createEAttribute(multiNonContainedElementEClass, MULTI_NON_CONTAINED_ELEMENT__NAME);
+		createEReference(multiNonContainedElementEClass, MULTI_NON_CONTAINED_ELEMENT__PARENT);
+
+		refSingleContainedNPLEClass = createEClass(REF_SINGLE_CONTAINED_NPL);
+		createEReference(refSingleContainedNPLEClass, REF_SINGLE_CONTAINED_NPL__ELEMENT);
+
+		refSingleNonContainedNPLEClass = createEClass(REF_SINGLE_NON_CONTAINED_NPL);
+		createEReference(refSingleNonContainedNPLEClass, REF_SINGLE_NON_CONTAINED_NPL__ELEMENT);
+
+		refMultiContainedNPLEClass = createEClass(REF_MULTI_CONTAINED_NPL);
+		createEReference(refMultiContainedNPLEClass, REF_MULTI_CONTAINED_NPL__ELEMENTS);
+
+		refMultiNonContainedNPLEClass = createEClass(REF_MULTI_NON_CONTAINED_NPL);
+		createEReference(refMultiNonContainedNPLEClass, REF_MULTI_NON_CONTAINED_NPL__ELEMENTS);
+
+		containedElementNoOppositeEClass = createEClass(CONTAINED_ELEMENT_NO_OPPOSITE);
+		createEAttribute(containedElementNoOppositeEClass, CONTAINED_ELEMENT_NO_OPPOSITE__NAME);
+
+		genRefSingleContainedEClass = createEClass(GEN_REF_SINGLE_CONTAINED);
+		createEReference(genRefSingleContainedEClass, GEN_REF_SINGLE_CONTAINED__ELEMENT);
+
+		genRefSingleNonContainedEClass = createEClass(GEN_REF_SINGLE_NON_CONTAINED);
+		createEReference(genRefSingleNonContainedEClass, GEN_REF_SINGLE_NON_CONTAINED__ELEMENT);
+
+		genRefMultiContainedEClass = createEClass(GEN_REF_MULTI_CONTAINED);
+		createEReference(genRefMultiContainedEClass, GEN_REF_MULTI_CONTAINED__ELEMENTS);
+
+		genRefMultiNonContainedEClass = createEClass(GEN_REF_MULTI_NON_CONTAINED);
+		createEReference(genRefMultiNonContainedEClass, GEN_REF_MULTI_NON_CONTAINED__ELEMENTS);
+
+		implSingleRefContainerEClass = createEClass(IMPL_SINGLE_REF_CONTAINER);
+
+		implSingleRefContainedElementEClass = createEClass(IMPL_SINGLE_REF_CONTAINED_ELEMENT);
+		createEAttribute(implSingleRefContainedElementEClass, IMPL_SINGLE_REF_CONTAINED_ELEMENT__NAME);
+
+		implSingleRefNonContainerEClass = createEClass(IMPL_SINGLE_REF_NON_CONTAINER);
+
+		implSingleRefNonContainedElementEClass = createEClass(IMPL_SINGLE_REF_NON_CONTAINED_ELEMENT);
+		createEAttribute(implSingleRefNonContainedElementEClass, IMPL_SINGLE_REF_NON_CONTAINED_ELEMENT__NAME);
+
+		implMultiRefNonContainerEClass = createEClass(IMPL_MULTI_REF_NON_CONTAINER);
+
+		implMultiRefNonContainedElementEClass = createEClass(IMPL_MULTI_REF_NON_CONTAINED_ELEMENT);
+		createEAttribute(implMultiRefNonContainedElementEClass, IMPL_MULTI_REF_NON_CONTAINED_ELEMENT__NAME);
+
+		implMultiRefContainerEClass = createEClass(IMPL_MULTI_REF_CONTAINER);
+
+		implMultiRefContainedElementEClass = createEClass(IMPL_MULTI_REF_CONTAINED_ELEMENT);
+		createEAttribute(implMultiRefContainedElementEClass, IMPL_MULTI_REF_CONTAINED_ELEMENT__NAME);
+
+		implSingleRefContainerNPLEClass = createEClass(IMPL_SINGLE_REF_CONTAINER_NPL);
+
+		implSingleRefNonContainerNPLEClass = createEClass(IMPL_SINGLE_REF_NON_CONTAINER_NPL);
+
+		implMultiRefContainerNPLEClass = createEClass(IMPL_MULTI_REF_CONTAINER_NPL);
+
+		implMultiRefNonContainerNPLEClass = createEClass(IMPL_MULTI_REF_NON_CONTAINER_NPL);
+
+		implContainedElementNPLEClass = createEClass(IMPL_CONTAINED_ELEMENT_NPL);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private boolean isInitialized = false;
+
+	/**
+	 * Complete the initialization of the package and its meta-model.  This
+	 * method is guarded to have no affect on any invocation but its first.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void initializePackageContents() {
+		if (isInitialized) return;
+		isInitialized = true;
+
+		// Initialize package
+		setName(eNAME);
+		setNsPrefix(eNS_PREFIX);
+		setNsURI(eNS_URI);
+
+		// Obtain other dependent packages
+		model4interfacesPackage themodel4interfacesPackage = (model4interfacesPackage)EPackage.Registry.INSTANCE.getEPackage(model4interfacesPackage.eNS_URI);
+
+		// Create type parameters
+
+		// Set bounds for type parameters
+
+		// Add supertypes to classes
+		implSingleRefContainerEClass.getESuperTypes().add(themodel4interfacesPackage.getISingleRefContainer());
+		implSingleRefContainedElementEClass.getESuperTypes().add(themodel4interfacesPackage.getISingleRefContainedElement());
+		implSingleRefNonContainerEClass.getESuperTypes().add(themodel4interfacesPackage.getISingleRefNonContainer());
+		implSingleRefNonContainedElementEClass.getESuperTypes().add(themodel4interfacesPackage.getISingleRefNonContainedElement());
+		implMultiRefNonContainerEClass.getESuperTypes().add(themodel4interfacesPackage.getIMultiRefNonContainer());
+		implMultiRefNonContainedElementEClass.getESuperTypes().add(themodel4interfacesPackage.getIMultiRefNonContainedElement());
+		implMultiRefContainerEClass.getESuperTypes().add(themodel4interfacesPackage.getIMultiRefContainer());
+		implMultiRefContainedElementEClass.getESuperTypes().add(themodel4interfacesPackage.getIMultiRefContainedElement());
+		implSingleRefContainerNPLEClass.getESuperTypes().add(themodel4interfacesPackage.getISingleRefContainerNPL());
+		implSingleRefNonContainerNPLEClass.getESuperTypes().add(themodel4interfacesPackage.getISingleRefNonContainerNPL());
+		implMultiRefContainerNPLEClass.getESuperTypes().add(themodel4interfacesPackage.getIMultiRefContainerNPL());
+		implMultiRefNonContainerNPLEClass.getESuperTypes().add(themodel4interfacesPackage.getIMultiRefNonContainerNPL());
+		implContainedElementNPLEClass.getESuperTypes().add(themodel4interfacesPackage.getIContainedElementNoParentLink());
+		implContainedElementNPLEClass.getESuperTypes().add(themodel4interfacesPackage.getINamedElement());
+
+		// Initialize classes and features; add operations and parameters
+		initEClass(refSingleContainedEClass, RefSingleContained.class, "RefSingleContained", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getRefSingleContained_Element(), this.getSingleContainedElement(), this.getSingleContainedElement_Parent(), "element", null, 0, 1, RefSingleContained.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(singleContainedElementEClass, SingleContainedElement.class, "SingleContainedElement", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEAttribute(getSingleContainedElement_Name(), ecorePackage.getEString(), "name", null, 0, 1, SingleContainedElement.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getSingleContainedElement_Parent(), this.getRefSingleContained(), this.getRefSingleContained_Element(), "parent", null, 0, 1, SingleContainedElement.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(refSingleNonContainedEClass, RefSingleNonContained.class, "RefSingleNonContained", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getRefSingleNonContained_Element(), this.getSingleNonContainedElement(), this.getSingleNonContainedElement_Parent(), "element", null, 0, 1, RefSingleNonContained.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(singleNonContainedElementEClass, SingleNonContainedElement.class, "SingleNonContainedElement", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEAttribute(getSingleNonContainedElement_Name(), ecorePackage.getEString(), "name", null, 0, 1, SingleNonContainedElement.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getSingleNonContainedElement_Parent(), this.getRefSingleNonContained(), this.getRefSingleNonContained_Element(), "parent", null, 0, 1, SingleNonContainedElement.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(refMultiContainedEClass, RefMultiContained.class, "RefMultiContained", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getRefMultiContained_Elements(), this.getMultiContainedElement(), this.getMultiContainedElement_Parent(), "elements", null, 0, -1, RefMultiContained.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(multiContainedElementEClass, MultiContainedElement.class, "MultiContainedElement", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEAttribute(getMultiContainedElement_Name(), ecorePackage.getEString(), "name", null, 0, 1, MultiContainedElement.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getMultiContainedElement_Parent(), this.getRefMultiContained(), this.getRefMultiContained_Elements(), "parent", null, 0, 1, MultiContainedElement.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(refMultiNonContainedEClass, RefMultiNonContained.class, "RefMultiNonContained", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getRefMultiNonContained_Elements(), this.getMultiNonContainedElement(), this.getMultiNonContainedElement_Parent(), "elements", null, 0, -1, RefMultiNonContained.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(multiNonContainedElementEClass, MultiNonContainedElement.class, "MultiNonContainedElement", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEAttribute(getMultiNonContainedElement_Name(), ecorePackage.getEString(), "name", null, 0, 1, MultiNonContainedElement.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getMultiNonContainedElement_Parent(), this.getRefMultiNonContained(), this.getRefMultiNonContained_Elements(), "parent", null, 0, 1, MultiNonContainedElement.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(refSingleContainedNPLEClass, RefSingleContainedNPL.class, "RefSingleContainedNPL", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getRefSingleContainedNPL_Element(), this.getContainedElementNoOpposite(), null, "element", null, 0, 1, RefSingleContainedNPL.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(refSingleNonContainedNPLEClass, RefSingleNonContainedNPL.class, "RefSingleNonContainedNPL", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getRefSingleNonContainedNPL_Element(), this.getContainedElementNoOpposite(), null, "element", null, 0, 1, RefSingleNonContainedNPL.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(refMultiContainedNPLEClass, RefMultiContainedNPL.class, "RefMultiContainedNPL", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getRefMultiContainedNPL_Elements(), this.getContainedElementNoOpposite(), null, "elements", null, 0, -1, RefMultiContainedNPL.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(refMultiNonContainedNPLEClass, RefMultiNonContainedNPL.class, "RefMultiNonContainedNPL", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getRefMultiNonContainedNPL_Elements(), this.getContainedElementNoOpposite(), null, "elements", null, 0, -1, RefMultiNonContainedNPL.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(containedElementNoOppositeEClass, ContainedElementNoOpposite.class, "ContainedElementNoOpposite", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEAttribute(getContainedElementNoOpposite_Name(), ecorePackage.getEString(), "name", null, 0, 1, ContainedElementNoOpposite.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(genRefSingleContainedEClass, GenRefSingleContained.class, "GenRefSingleContained", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getGenRefSingleContained_Element(), ecorePackage.getEObject(), null, "element", null, 0, 1, GenRefSingleContained.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(genRefSingleNonContainedEClass, GenRefSingleNonContained.class, "GenRefSingleNonContained", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getGenRefSingleNonContained_Element(), ecorePackage.getEObject(), null, "element", null, 0, 1, GenRefSingleNonContained.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(genRefMultiContainedEClass, GenRefMultiContained.class, "GenRefMultiContained", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getGenRefMultiContained_Elements(), ecorePackage.getEObject(), null, "elements", null, 0, -1, GenRefMultiContained.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(genRefMultiNonContainedEClass, GenRefMultiNonContained.class, "GenRefMultiNonContained", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getGenRefMultiNonContained_Elements(), ecorePackage.getEObject(), null, "elements", null, 0, -1, GenRefMultiNonContained.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(implSingleRefContainerEClass, ImplSingleRefContainer.class, "ImplSingleRefContainer", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+
+		initEClass(implSingleRefContainedElementEClass, ImplSingleRefContainedElement.class, "ImplSingleRefContainedElement", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEAttribute(getImplSingleRefContainedElement_Name(), ecorePackage.getEString(), "name", null, 0, 1, ImplSingleRefContainedElement.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(implSingleRefNonContainerEClass, ImplSingleRefNonContainer.class, "ImplSingleRefNonContainer", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+
+		initEClass(implSingleRefNonContainedElementEClass, ImplSingleRefNonContainedElement.class, "ImplSingleRefNonContainedElement", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEAttribute(getImplSingleRefNonContainedElement_Name(), ecorePackage.getEString(), "name", null, 0, 1, ImplSingleRefNonContainedElement.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(implMultiRefNonContainerEClass, ImplMultiRefNonContainer.class, "ImplMultiRefNonContainer", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+
+		initEClass(implMultiRefNonContainedElementEClass, ImplMultiRefNonContainedElement.class, "ImplMultiRefNonContainedElement", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEAttribute(getImplMultiRefNonContainedElement_Name(), ecorePackage.getEString(), "name", null, 0, 1, ImplMultiRefNonContainedElement.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(implMultiRefContainerEClass, ImplMultiRefContainer.class, "ImplMultiRefContainer", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+
+		initEClass(implMultiRefContainedElementEClass, ImplMultiRefContainedElement.class, "ImplMultiRefContainedElement", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEAttribute(getImplMultiRefContainedElement_Name(), ecorePackage.getEString(), "name", null, 0, 1, ImplMultiRefContainedElement.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(implSingleRefContainerNPLEClass, ImplSingleRefContainerNPL.class, "ImplSingleRefContainerNPL", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+
+		initEClass(implSingleRefNonContainerNPLEClass, ImplSingleRefNonContainerNPL.class, "ImplSingleRefNonContainerNPL", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+
+		initEClass(implMultiRefContainerNPLEClass, ImplMultiRefContainerNPL.class, "ImplMultiRefContainerNPL", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+
+		initEClass(implMultiRefNonContainerNPLEClass, ImplMultiRefNonContainerNPL.class, "ImplMultiRefNonContainerNPL", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+
+		initEClass(implContainedElementNPLEClass, ImplContainedElementNPL.class, "ImplContainedElementNPL", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+
+		// Create resource
+		createResource(eNS_URI);
+	}
+
+} //model4PackageImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/model4Factory.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/model4Factory.java
new file mode 100644
index 0000000000..5159b7b49e
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/model4Factory.java
@@ -0,0 +1,307 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: model4Factory.java,v 1.1 2008-07-10 15:42:26 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.ecore.EFactory;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Factory</b> for the model.
+ * It provides a create method for each non-abstract class of the model.
+ * <!-- end-user-doc -->
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package
+ * @generated
+ */
+public interface model4Factory extends EFactory {
+	/**
+	 * The singleton instance of the factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	model4Factory eINSTANCE = org.eclipse.emf.cdo.tests.model4.impl.model4FactoryImpl.init();
+
+	/**
+	 * Returns a new object of class '<em>Ref Single Contained</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Ref Single Contained</em>'.
+	 * @generated
+	 */
+	RefSingleContained createRefSingleContained();
+
+	/**
+	 * Returns a new object of class '<em>Single Contained Element</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Single Contained Element</em>'.
+	 * @generated
+	 */
+	SingleContainedElement createSingleContainedElement();
+
+	/**
+	 * Returns a new object of class '<em>Ref Single Non Contained</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Ref Single Non Contained</em>'.
+	 * @generated
+	 */
+	RefSingleNonContained createRefSingleNonContained();
+
+	/**
+	 * Returns a new object of class '<em>Single Non Contained Element</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Single Non Contained Element</em>'.
+	 * @generated
+	 */
+	SingleNonContainedElement createSingleNonContainedElement();
+
+	/**
+	 * Returns a new object of class '<em>Ref Multi Contained</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Ref Multi Contained</em>'.
+	 * @generated
+	 */
+	RefMultiContained createRefMultiContained();
+
+	/**
+	 * Returns a new object of class '<em>Multi Contained Element</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Multi Contained Element</em>'.
+	 * @generated
+	 */
+	MultiContainedElement createMultiContainedElement();
+
+	/**
+	 * Returns a new object of class '<em>Ref Multi Non Contained</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Ref Multi Non Contained</em>'.
+	 * @generated
+	 */
+	RefMultiNonContained createRefMultiNonContained();
+
+	/**
+	 * Returns a new object of class '<em>Multi Non Contained Element</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Multi Non Contained Element</em>'.
+	 * @generated
+	 */
+	MultiNonContainedElement createMultiNonContainedElement();
+
+	/**
+	 * Returns a new object of class '<em>Ref Single Contained NPL</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Ref Single Contained NPL</em>'.
+	 * @generated
+	 */
+	RefSingleContainedNPL createRefSingleContainedNPL();
+
+	/**
+	 * Returns a new object of class '<em>Ref Single Non Contained NPL</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Ref Single Non Contained NPL</em>'.
+	 * @generated
+	 */
+	RefSingleNonContainedNPL createRefSingleNonContainedNPL();
+
+	/**
+	 * Returns a new object of class '<em>Ref Multi Contained NPL</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Ref Multi Contained NPL</em>'.
+	 * @generated
+	 */
+	RefMultiContainedNPL createRefMultiContainedNPL();
+
+	/**
+	 * Returns a new object of class '<em>Ref Multi Non Contained NPL</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Ref Multi Non Contained NPL</em>'.
+	 * @generated
+	 */
+	RefMultiNonContainedNPL createRefMultiNonContainedNPL();
+
+	/**
+	 * Returns a new object of class '<em>Contained Element No Opposite</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Contained Element No Opposite</em>'.
+	 * @generated
+	 */
+	ContainedElementNoOpposite createContainedElementNoOpposite();
+
+	/**
+	 * Returns a new object of class '<em>Gen Ref Single Contained</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Gen Ref Single Contained</em>'.
+	 * @generated
+	 */
+	GenRefSingleContained createGenRefSingleContained();
+
+	/**
+	 * Returns a new object of class '<em>Gen Ref Single Non Contained</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Gen Ref Single Non Contained</em>'.
+	 * @generated
+	 */
+	GenRefSingleNonContained createGenRefSingleNonContained();
+
+	/**
+	 * Returns a new object of class '<em>Gen Ref Multi Contained</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Gen Ref Multi Contained</em>'.
+	 * @generated
+	 */
+	GenRefMultiContained createGenRefMultiContained();
+
+	/**
+	 * Returns a new object of class '<em>Gen Ref Multi Non Contained</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Gen Ref Multi Non Contained</em>'.
+	 * @generated
+	 */
+	GenRefMultiNonContained createGenRefMultiNonContained();
+
+	/**
+	 * Returns a new object of class '<em>Impl Single Ref Container</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Impl Single Ref Container</em>'.
+	 * @generated
+	 */
+	ImplSingleRefContainer createImplSingleRefContainer();
+
+	/**
+	 * Returns a new object of class '<em>Impl Single Ref Contained Element</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Impl Single Ref Contained Element</em>'.
+	 * @generated
+	 */
+	ImplSingleRefContainedElement createImplSingleRefContainedElement();
+
+	/**
+	 * Returns a new object of class '<em>Impl Single Ref Non Container</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Impl Single Ref Non Container</em>'.
+	 * @generated
+	 */
+	ImplSingleRefNonContainer createImplSingleRefNonContainer();
+
+	/**
+	 * Returns a new object of class '<em>Impl Single Ref Non Contained Element</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Impl Single Ref Non Contained Element</em>'.
+	 * @generated
+	 */
+	ImplSingleRefNonContainedElement createImplSingleRefNonContainedElement();
+
+	/**
+	 * Returns a new object of class '<em>Impl Multi Ref Non Container</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Impl Multi Ref Non Container</em>'.
+	 * @generated
+	 */
+	ImplMultiRefNonContainer createImplMultiRefNonContainer();
+
+	/**
+	 * Returns a new object of class '<em>Impl Multi Ref Non Contained Element</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Impl Multi Ref Non Contained Element</em>'.
+	 * @generated
+	 */
+	ImplMultiRefNonContainedElement createImplMultiRefNonContainedElement();
+
+	/**
+	 * Returns a new object of class '<em>Impl Multi Ref Container</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Impl Multi Ref Container</em>'.
+	 * @generated
+	 */
+	ImplMultiRefContainer createImplMultiRefContainer();
+
+	/**
+	 * Returns a new object of class '<em>Impl Multi Ref Contained Element</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Impl Multi Ref Contained Element</em>'.
+	 * @generated
+	 */
+	ImplMultiRefContainedElement createImplMultiRefContainedElement();
+
+	/**
+	 * Returns a new object of class '<em>Impl Single Ref Container NPL</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Impl Single Ref Container NPL</em>'.
+	 * @generated
+	 */
+	ImplSingleRefContainerNPL createImplSingleRefContainerNPL();
+
+	/**
+	 * Returns a new object of class '<em>Impl Single Ref Non Container NPL</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Impl Single Ref Non Container NPL</em>'.
+	 * @generated
+	 */
+	ImplSingleRefNonContainerNPL createImplSingleRefNonContainerNPL();
+
+	/**
+	 * Returns a new object of class '<em>Impl Multi Ref Container NPL</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Impl Multi Ref Container NPL</em>'.
+	 * @generated
+	 */
+	ImplMultiRefContainerNPL createImplMultiRefContainerNPL();
+
+	/**
+	 * Returns a new object of class '<em>Impl Multi Ref Non Container NPL</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Impl Multi Ref Non Container NPL</em>'.
+	 * @generated
+	 */
+	ImplMultiRefNonContainerNPL createImplMultiRefNonContainerNPL();
+
+	/**
+	 * Returns a new object of class '<em>Impl Contained Element NPL</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Impl Contained Element NPL</em>'.
+	 * @generated
+	 */
+	ImplContainedElementNPL createImplContainedElementNPL();
+
+	/**
+	 * Returns the package supported by this factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the package supported by this factory.
+	 * @generated
+	 */
+	model4Package getmodel4Package();
+
+} //model4Factory
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/model4Package.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/model4Package.java
new file mode 100644
index 0000000000..3ecedb0fdd
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/model4Package.java
@@ -0,0 +1,2076 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: model4Package.java,v 1.1 2008-07-10 15:42:26 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4;
+
+import org.eclipse.emf.cdo.tests.model4interfaces.model4interfacesPackage;
+
+import org.eclipse.emf.ecore.EAttribute;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.EReference;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Package</b> for the model.
+ * It contains accessors for the meta objects to represent
+ * <ul>
+ *   <li>each class,</li>
+ *   <li>each feature of each class,</li>
+ *   <li>each enum,</li>
+ *   <li>and each data type</li>
+ * </ul>
+ * <!-- end-user-doc -->
+ * @see org.eclipse.emf.cdo.tests.model4.model4Factory
+ * @model kind="package"
+ * @generated
+ */
+public interface model4Package extends EPackage {
+	/**
+	 * The package name.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	String eNAME = "model4";
+
+	/**
+	 * The package namespace URI.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	String eNS_URI = "http://www.eclipse.org/emf/CDO/tests/model4/1.0.0";
+
+	/**
+	 * The package namespace name.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	String eNS_PREFIX = "model4";
+
+	/**
+	 * The singleton instance of the package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	model4Package eINSTANCE = org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl.init();
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model4.impl.RefSingleContainedImpl <em>Ref Single Contained</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.RefSingleContainedImpl
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getRefSingleContained()
+	 * @generated
+	 */
+	int REF_SINGLE_CONTAINED = 0;
+
+	/**
+	 * The feature id for the '<em><b>Element</b></em>' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int REF_SINGLE_CONTAINED__ELEMENT = 0;
+
+	/**
+	 * The number of structural features of the '<em>Ref Single Contained</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int REF_SINGLE_CONTAINED_FEATURE_COUNT = 1;
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model4.impl.SingleContainedElementImpl <em>Single Contained Element</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.SingleContainedElementImpl
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getSingleContainedElement()
+	 * @generated
+	 */
+	int SINGLE_CONTAINED_ELEMENT = 1;
+
+	/**
+	 * The feature id for the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int SINGLE_CONTAINED_ELEMENT__NAME = 0;
+
+	/**
+	 * The feature id for the '<em><b>Parent</b></em>' container reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int SINGLE_CONTAINED_ELEMENT__PARENT = 1;
+
+	/**
+	 * The number of structural features of the '<em>Single Contained Element</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int SINGLE_CONTAINED_ELEMENT_FEATURE_COUNT = 2;
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model4.impl.RefSingleNonContainedImpl <em>Ref Single Non Contained</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.RefSingleNonContainedImpl
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getRefSingleNonContained()
+	 * @generated
+	 */
+	int REF_SINGLE_NON_CONTAINED = 2;
+
+	/**
+	 * The feature id for the '<em><b>Element</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int REF_SINGLE_NON_CONTAINED__ELEMENT = 0;
+
+	/**
+	 * The number of structural features of the '<em>Ref Single Non Contained</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int REF_SINGLE_NON_CONTAINED_FEATURE_COUNT = 1;
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model4.impl.SingleNonContainedElementImpl <em>Single Non Contained Element</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.SingleNonContainedElementImpl
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getSingleNonContainedElement()
+	 * @generated
+	 */
+	int SINGLE_NON_CONTAINED_ELEMENT = 3;
+
+	/**
+	 * The feature id for the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int SINGLE_NON_CONTAINED_ELEMENT__NAME = 0;
+
+	/**
+	 * The feature id for the '<em><b>Parent</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int SINGLE_NON_CONTAINED_ELEMENT__PARENT = 1;
+
+	/**
+	 * The number of structural features of the '<em>Single Non Contained Element</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int SINGLE_NON_CONTAINED_ELEMENT_FEATURE_COUNT = 2;
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model4.impl.RefMultiContainedImpl <em>Ref Multi Contained</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.RefMultiContainedImpl
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getRefMultiContained()
+	 * @generated
+	 */
+	int REF_MULTI_CONTAINED = 4;
+
+	/**
+	 * The feature id for the '<em><b>Elements</b></em>' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int REF_MULTI_CONTAINED__ELEMENTS = 0;
+
+	/**
+	 * The number of structural features of the '<em>Ref Multi Contained</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int REF_MULTI_CONTAINED_FEATURE_COUNT = 1;
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model4.impl.MultiContainedElementImpl <em>Multi Contained Element</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.MultiContainedElementImpl
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getMultiContainedElement()
+	 * @generated
+	 */
+	int MULTI_CONTAINED_ELEMENT = 5;
+
+	/**
+	 * The feature id for the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int MULTI_CONTAINED_ELEMENT__NAME = 0;
+
+	/**
+	 * The feature id for the '<em><b>Parent</b></em>' container reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int MULTI_CONTAINED_ELEMENT__PARENT = 1;
+
+	/**
+	 * The number of structural features of the '<em>Multi Contained Element</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int MULTI_CONTAINED_ELEMENT_FEATURE_COUNT = 2;
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model4.impl.RefMultiNonContainedImpl <em>Ref Multi Non Contained</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.RefMultiNonContainedImpl
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getRefMultiNonContained()
+	 * @generated
+	 */
+	int REF_MULTI_NON_CONTAINED = 6;
+
+	/**
+	 * The feature id for the '<em><b>Elements</b></em>' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int REF_MULTI_NON_CONTAINED__ELEMENTS = 0;
+
+	/**
+	 * The number of structural features of the '<em>Ref Multi Non Contained</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int REF_MULTI_NON_CONTAINED_FEATURE_COUNT = 1;
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model4.impl.MultiNonContainedElementImpl <em>Multi Non Contained Element</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.MultiNonContainedElementImpl
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getMultiNonContainedElement()
+	 * @generated
+	 */
+	int MULTI_NON_CONTAINED_ELEMENT = 7;
+
+	/**
+	 * The feature id for the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int MULTI_NON_CONTAINED_ELEMENT__NAME = 0;
+
+	/**
+	 * The feature id for the '<em><b>Parent</b></em>' container reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int MULTI_NON_CONTAINED_ELEMENT__PARENT = 1;
+
+	/**
+	 * The number of structural features of the '<em>Multi Non Contained Element</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int MULTI_NON_CONTAINED_ELEMENT_FEATURE_COUNT = 2;
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model4.impl.RefSingleContainedNPLImpl <em>Ref Single Contained NPL</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.RefSingleContainedNPLImpl
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getRefSingleContainedNPL()
+	 * @generated
+	 */
+	int REF_SINGLE_CONTAINED_NPL = 8;
+
+	/**
+	 * The feature id for the '<em><b>Element</b></em>' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int REF_SINGLE_CONTAINED_NPL__ELEMENT = 0;
+
+	/**
+	 * The number of structural features of the '<em>Ref Single Contained NPL</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int REF_SINGLE_CONTAINED_NPL_FEATURE_COUNT = 1;
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model4.impl.RefSingleNonContainedNPLImpl <em>Ref Single Non Contained NPL</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.RefSingleNonContainedNPLImpl
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getRefSingleNonContainedNPL()
+	 * @generated
+	 */
+	int REF_SINGLE_NON_CONTAINED_NPL = 9;
+
+	/**
+	 * The feature id for the '<em><b>Element</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int REF_SINGLE_NON_CONTAINED_NPL__ELEMENT = 0;
+
+	/**
+	 * The number of structural features of the '<em>Ref Single Non Contained NPL</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int REF_SINGLE_NON_CONTAINED_NPL_FEATURE_COUNT = 1;
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model4.impl.RefMultiContainedNPLImpl <em>Ref Multi Contained NPL</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.RefMultiContainedNPLImpl
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getRefMultiContainedNPL()
+	 * @generated
+	 */
+	int REF_MULTI_CONTAINED_NPL = 10;
+
+	/**
+	 * The feature id for the '<em><b>Elements</b></em>' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int REF_MULTI_CONTAINED_NPL__ELEMENTS = 0;
+
+	/**
+	 * The number of structural features of the '<em>Ref Multi Contained NPL</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int REF_MULTI_CONTAINED_NPL_FEATURE_COUNT = 1;
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model4.impl.RefMultiNonContainedNPLImpl <em>Ref Multi Non Contained NPL</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.RefMultiNonContainedNPLImpl
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getRefMultiNonContainedNPL()
+	 * @generated
+	 */
+	int REF_MULTI_NON_CONTAINED_NPL = 11;
+
+	/**
+	 * The feature id for the '<em><b>Elements</b></em>' reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int REF_MULTI_NON_CONTAINED_NPL__ELEMENTS = 0;
+
+	/**
+	 * The number of structural features of the '<em>Ref Multi Non Contained NPL</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int REF_MULTI_NON_CONTAINED_NPL_FEATURE_COUNT = 1;
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model4.impl.ContainedElementNoOppositeImpl <em>Contained Element No Opposite</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.ContainedElementNoOppositeImpl
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getContainedElementNoOpposite()
+	 * @generated
+	 */
+	int CONTAINED_ELEMENT_NO_OPPOSITE = 12;
+
+	/**
+	 * The feature id for the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int CONTAINED_ELEMENT_NO_OPPOSITE__NAME = 0;
+
+	/**
+	 * The number of structural features of the '<em>Contained Element No Opposite</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int CONTAINED_ELEMENT_NO_OPPOSITE_FEATURE_COUNT = 1;
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model4.impl.GenRefSingleContainedImpl <em>Gen Ref Single Contained</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.GenRefSingleContainedImpl
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getGenRefSingleContained()
+	 * @generated
+	 */
+	int GEN_REF_SINGLE_CONTAINED = 13;
+
+	/**
+	 * The feature id for the '<em><b>Element</b></em>' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int GEN_REF_SINGLE_CONTAINED__ELEMENT = 0;
+
+	/**
+	 * The number of structural features of the '<em>Gen Ref Single Contained</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int GEN_REF_SINGLE_CONTAINED_FEATURE_COUNT = 1;
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model4.impl.GenRefSingleNonContainedImpl <em>Gen Ref Single Non Contained</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.GenRefSingleNonContainedImpl
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getGenRefSingleNonContained()
+	 * @generated
+	 */
+	int GEN_REF_SINGLE_NON_CONTAINED = 14;
+
+	/**
+	 * The feature id for the '<em><b>Element</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int GEN_REF_SINGLE_NON_CONTAINED__ELEMENT = 0;
+
+	/**
+	 * The number of structural features of the '<em>Gen Ref Single Non Contained</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int GEN_REF_SINGLE_NON_CONTAINED_FEATURE_COUNT = 1;
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model4.impl.GenRefMultiContainedImpl <em>Gen Ref Multi Contained</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.GenRefMultiContainedImpl
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getGenRefMultiContained()
+	 * @generated
+	 */
+	int GEN_REF_MULTI_CONTAINED = 15;
+
+	/**
+	 * The feature id for the '<em><b>Elements</b></em>' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int GEN_REF_MULTI_CONTAINED__ELEMENTS = 0;
+
+	/**
+	 * The number of structural features of the '<em>Gen Ref Multi Contained</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int GEN_REF_MULTI_CONTAINED_FEATURE_COUNT = 1;
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model4.impl.GenRefMultiNonContainedImpl <em>Gen Ref Multi Non Contained</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.GenRefMultiNonContainedImpl
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getGenRefMultiNonContained()
+	 * @generated
+	 */
+	int GEN_REF_MULTI_NON_CONTAINED = 16;
+
+	/**
+	 * The feature id for the '<em><b>Elements</b></em>' reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int GEN_REF_MULTI_NON_CONTAINED__ELEMENTS = 0;
+
+	/**
+	 * The number of structural features of the '<em>Gen Ref Multi Non Contained</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int GEN_REF_MULTI_NON_CONTAINED_FEATURE_COUNT = 1;
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefContainerImpl <em>Impl Single Ref Container</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefContainerImpl
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getImplSingleRefContainer()
+	 * @generated
+	 */
+	int IMPL_SINGLE_REF_CONTAINER = 17;
+
+	/**
+	 * The feature id for the '<em><b>Element</b></em>' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int IMPL_SINGLE_REF_CONTAINER__ELEMENT = model4interfacesPackage.ISINGLE_REF_CONTAINER__ELEMENT;
+
+	/**
+	 * The number of structural features of the '<em>Impl Single Ref Container</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int IMPL_SINGLE_REF_CONTAINER_FEATURE_COUNT = model4interfacesPackage.ISINGLE_REF_CONTAINER_FEATURE_COUNT + 0;
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefContainedElementImpl <em>Impl Single Ref Contained Element</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefContainedElementImpl
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getImplSingleRefContainedElement()
+	 * @generated
+	 */
+	int IMPL_SINGLE_REF_CONTAINED_ELEMENT = 18;
+
+	/**
+	 * The feature id for the '<em><b>Parent</b></em>' container reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int IMPL_SINGLE_REF_CONTAINED_ELEMENT__PARENT = model4interfacesPackage.ISINGLE_REF_CONTAINED_ELEMENT__PARENT;
+
+	/**
+	 * The feature id for the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int IMPL_SINGLE_REF_CONTAINED_ELEMENT__NAME = model4interfacesPackage.ISINGLE_REF_CONTAINED_ELEMENT_FEATURE_COUNT + 0;
+
+	/**
+	 * The number of structural features of the '<em>Impl Single Ref Contained Element</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int IMPL_SINGLE_REF_CONTAINED_ELEMENT_FEATURE_COUNT = model4interfacesPackage.ISINGLE_REF_CONTAINED_ELEMENT_FEATURE_COUNT + 1;
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefNonContainerImpl <em>Impl Single Ref Non Container</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefNonContainerImpl
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getImplSingleRefNonContainer()
+	 * @generated
+	 */
+	int IMPL_SINGLE_REF_NON_CONTAINER = 19;
+
+	/**
+	 * The feature id for the '<em><b>Element</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int IMPL_SINGLE_REF_NON_CONTAINER__ELEMENT = model4interfacesPackage.ISINGLE_REF_NON_CONTAINER__ELEMENT;
+
+	/**
+	 * The number of structural features of the '<em>Impl Single Ref Non Container</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int IMPL_SINGLE_REF_NON_CONTAINER_FEATURE_COUNT = model4interfacesPackage.ISINGLE_REF_NON_CONTAINER_FEATURE_COUNT + 0;
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefNonContainedElementImpl <em>Impl Single Ref Non Contained Element</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefNonContainedElementImpl
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getImplSingleRefNonContainedElement()
+	 * @generated
+	 */
+	int IMPL_SINGLE_REF_NON_CONTAINED_ELEMENT = 20;
+
+	/**
+	 * The feature id for the '<em><b>Parent</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int IMPL_SINGLE_REF_NON_CONTAINED_ELEMENT__PARENT = model4interfacesPackage.ISINGLE_REF_NON_CONTAINED_ELEMENT__PARENT;
+
+	/**
+	 * The feature id for the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int IMPL_SINGLE_REF_NON_CONTAINED_ELEMENT__NAME = model4interfacesPackage.ISINGLE_REF_NON_CONTAINED_ELEMENT_FEATURE_COUNT + 0;
+
+	/**
+	 * The number of structural features of the '<em>Impl Single Ref Non Contained Element</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int IMPL_SINGLE_REF_NON_CONTAINED_ELEMENT_FEATURE_COUNT = model4interfacesPackage.ISINGLE_REF_NON_CONTAINED_ELEMENT_FEATURE_COUNT + 1;
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefNonContainerImpl <em>Impl Multi Ref Non Container</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefNonContainerImpl
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getImplMultiRefNonContainer()
+	 * @generated
+	 */
+	int IMPL_MULTI_REF_NON_CONTAINER = 21;
+
+	/**
+	 * The feature id for the '<em><b>Elements</b></em>' reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int IMPL_MULTI_REF_NON_CONTAINER__ELEMENTS = model4interfacesPackage.IMULTI_REF_NON_CONTAINER__ELEMENTS;
+
+	/**
+	 * The number of structural features of the '<em>Impl Multi Ref Non Container</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int IMPL_MULTI_REF_NON_CONTAINER_FEATURE_COUNT = model4interfacesPackage.IMULTI_REF_NON_CONTAINER_FEATURE_COUNT + 0;
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefNonContainedElementImpl <em>Impl Multi Ref Non Contained Element</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefNonContainedElementImpl
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getImplMultiRefNonContainedElement()
+	 * @generated
+	 */
+	int IMPL_MULTI_REF_NON_CONTAINED_ELEMENT = 22;
+
+	/**
+	 * The feature id for the '<em><b>Parent</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int IMPL_MULTI_REF_NON_CONTAINED_ELEMENT__PARENT = model4interfacesPackage.IMULTI_REF_NON_CONTAINED_ELEMENT__PARENT;
+
+	/**
+	 * The feature id for the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int IMPL_MULTI_REF_NON_CONTAINED_ELEMENT__NAME = model4interfacesPackage.IMULTI_REF_NON_CONTAINED_ELEMENT_FEATURE_COUNT + 0;
+
+	/**
+	 * The number of structural features of the '<em>Impl Multi Ref Non Contained Element</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int IMPL_MULTI_REF_NON_CONTAINED_ELEMENT_FEATURE_COUNT = model4interfacesPackage.IMULTI_REF_NON_CONTAINED_ELEMENT_FEATURE_COUNT + 1;
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefContainerImpl <em>Impl Multi Ref Container</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefContainerImpl
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getImplMultiRefContainer()
+	 * @generated
+	 */
+	int IMPL_MULTI_REF_CONTAINER = 23;
+
+	/**
+	 * The feature id for the '<em><b>Elements</b></em>' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int IMPL_MULTI_REF_CONTAINER__ELEMENTS = model4interfacesPackage.IMULTI_REF_CONTAINER__ELEMENTS;
+
+	/**
+	 * The number of structural features of the '<em>Impl Multi Ref Container</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int IMPL_MULTI_REF_CONTAINER_FEATURE_COUNT = model4interfacesPackage.IMULTI_REF_CONTAINER_FEATURE_COUNT + 0;
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefContainedElementImpl <em>Impl Multi Ref Contained Element</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefContainedElementImpl
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getImplMultiRefContainedElement()
+	 * @generated
+	 */
+	int IMPL_MULTI_REF_CONTAINED_ELEMENT = 24;
+
+	/**
+	 * The feature id for the '<em><b>Parent</b></em>' container reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int IMPL_MULTI_REF_CONTAINED_ELEMENT__PARENT = model4interfacesPackage.IMULTI_REF_CONTAINED_ELEMENT__PARENT;
+
+	/**
+	 * The feature id for the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int IMPL_MULTI_REF_CONTAINED_ELEMENT__NAME = model4interfacesPackage.IMULTI_REF_CONTAINED_ELEMENT_FEATURE_COUNT + 0;
+
+	/**
+	 * The number of structural features of the '<em>Impl Multi Ref Contained Element</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int IMPL_MULTI_REF_CONTAINED_ELEMENT_FEATURE_COUNT = model4interfacesPackage.IMULTI_REF_CONTAINED_ELEMENT_FEATURE_COUNT + 1;
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefContainerNPLImpl <em>Impl Single Ref Container NPL</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefContainerNPLImpl
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getImplSingleRefContainerNPL()
+	 * @generated
+	 */
+	int IMPL_SINGLE_REF_CONTAINER_NPL = 25;
+
+	/**
+	 * The feature id for the '<em><b>Element</b></em>' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int IMPL_SINGLE_REF_CONTAINER_NPL__ELEMENT = model4interfacesPackage.ISINGLE_REF_CONTAINER_NPL__ELEMENT;
+
+	/**
+	 * The number of structural features of the '<em>Impl Single Ref Container NPL</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int IMPL_SINGLE_REF_CONTAINER_NPL_FEATURE_COUNT = model4interfacesPackage.ISINGLE_REF_CONTAINER_NPL_FEATURE_COUNT + 0;
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefNonContainerNPLImpl <em>Impl Single Ref Non Container NPL</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefNonContainerNPLImpl
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getImplSingleRefNonContainerNPL()
+	 * @generated
+	 */
+	int IMPL_SINGLE_REF_NON_CONTAINER_NPL = 26;
+
+	/**
+	 * The feature id for the '<em><b>Element</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int IMPL_SINGLE_REF_NON_CONTAINER_NPL__ELEMENT = model4interfacesPackage.ISINGLE_REF_NON_CONTAINER_NPL__ELEMENT;
+
+	/**
+	 * The number of structural features of the '<em>Impl Single Ref Non Container NPL</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int IMPL_SINGLE_REF_NON_CONTAINER_NPL_FEATURE_COUNT = model4interfacesPackage.ISINGLE_REF_NON_CONTAINER_NPL_FEATURE_COUNT + 0;
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefContainerNPLImpl <em>Impl Multi Ref Container NPL</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefContainerNPLImpl
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getImplMultiRefContainerNPL()
+	 * @generated
+	 */
+	int IMPL_MULTI_REF_CONTAINER_NPL = 27;
+
+	/**
+	 * The feature id for the '<em><b>Elements</b></em>' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int IMPL_MULTI_REF_CONTAINER_NPL__ELEMENTS = model4interfacesPackage.IMULTI_REF_CONTAINER_NPL__ELEMENTS;
+
+	/**
+	 * The number of structural features of the '<em>Impl Multi Ref Container NPL</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int IMPL_MULTI_REF_CONTAINER_NPL_FEATURE_COUNT = model4interfacesPackage.IMULTI_REF_CONTAINER_NPL_FEATURE_COUNT + 0;
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefNonContainerNPLImpl <em>Impl Multi Ref Non Container NPL</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefNonContainerNPLImpl
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getImplMultiRefNonContainerNPL()
+	 * @generated
+	 */
+	int IMPL_MULTI_REF_NON_CONTAINER_NPL = 28;
+
+	/**
+	 * The feature id for the '<em><b>Elements</b></em>' reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int IMPL_MULTI_REF_NON_CONTAINER_NPL__ELEMENTS = model4interfacesPackage.IMULTI_REF_NON_CONTAINER_NPL__ELEMENTS;
+
+	/**
+	 * The number of structural features of the '<em>Impl Multi Ref Non Container NPL</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int IMPL_MULTI_REF_NON_CONTAINER_NPL_FEATURE_COUNT = model4interfacesPackage.IMULTI_REF_NON_CONTAINER_NPL_FEATURE_COUNT + 0;
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model4.impl.ImplContainedElementNPLImpl <em>Impl Contained Element NPL</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.ImplContainedElementNPLImpl
+	 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getImplContainedElementNPL()
+	 * @generated
+	 */
+	int IMPL_CONTAINED_ELEMENT_NPL = 29;
+
+	/**
+	 * The feature id for the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int IMPL_CONTAINED_ELEMENT_NPL__NAME = model4interfacesPackage.ICONTAINED_ELEMENT_NO_PARENT_LINK_FEATURE_COUNT + 0;
+
+	/**
+	 * The number of structural features of the '<em>Impl Contained Element NPL</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int IMPL_CONTAINED_ELEMENT_NPL_FEATURE_COUNT = model4interfacesPackage.ICONTAINED_ELEMENT_NO_PARENT_LINK_FEATURE_COUNT + 1;
+
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model4.RefSingleContained <em>Ref Single Contained</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Ref Single Contained</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.RefSingleContained
+	 * @generated
+	 */
+	EClass getRefSingleContained();
+
+	/**
+	 * Returns the meta object for the containment reference '{@link org.eclipse.emf.cdo.tests.model4.RefSingleContained#getElement <em>Element</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the containment reference '<em>Element</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.RefSingleContained#getElement()
+	 * @see #getRefSingleContained()
+	 * @generated
+	 */
+	EReference getRefSingleContained_Element();
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model4.SingleContainedElement <em>Single Contained Element</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Single Contained Element</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.SingleContainedElement
+	 * @generated
+	 */
+	EClass getSingleContainedElement();
+
+	/**
+	 * Returns the meta object for the attribute '{@link org.eclipse.emf.cdo.tests.model4.SingleContainedElement#getName <em>Name</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the attribute '<em>Name</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.SingleContainedElement#getName()
+	 * @see #getSingleContainedElement()
+	 * @generated
+	 */
+	EAttribute getSingleContainedElement_Name();
+
+	/**
+	 * Returns the meta object for the container reference '{@link org.eclipse.emf.cdo.tests.model4.SingleContainedElement#getParent <em>Parent</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the container reference '<em>Parent</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.SingleContainedElement#getParent()
+	 * @see #getSingleContainedElement()
+	 * @generated
+	 */
+	EReference getSingleContainedElement_Parent();
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model4.RefSingleNonContained <em>Ref Single Non Contained</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Ref Single Non Contained</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.RefSingleNonContained
+	 * @generated
+	 */
+	EClass getRefSingleNonContained();
+
+	/**
+	 * Returns the meta object for the reference '{@link org.eclipse.emf.cdo.tests.model4.RefSingleNonContained#getElement <em>Element</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the reference '<em>Element</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.RefSingleNonContained#getElement()
+	 * @see #getRefSingleNonContained()
+	 * @generated
+	 */
+	EReference getRefSingleNonContained_Element();
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model4.SingleNonContainedElement <em>Single Non Contained Element</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Single Non Contained Element</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.SingleNonContainedElement
+	 * @generated
+	 */
+	EClass getSingleNonContainedElement();
+
+	/**
+	 * Returns the meta object for the attribute '{@link org.eclipse.emf.cdo.tests.model4.SingleNonContainedElement#getName <em>Name</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the attribute '<em>Name</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.SingleNonContainedElement#getName()
+	 * @see #getSingleNonContainedElement()
+	 * @generated
+	 */
+	EAttribute getSingleNonContainedElement_Name();
+
+	/**
+	 * Returns the meta object for the reference '{@link org.eclipse.emf.cdo.tests.model4.SingleNonContainedElement#getParent <em>Parent</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the reference '<em>Parent</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.SingleNonContainedElement#getParent()
+	 * @see #getSingleNonContainedElement()
+	 * @generated
+	 */
+	EReference getSingleNonContainedElement_Parent();
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model4.RefMultiContained <em>Ref Multi Contained</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Ref Multi Contained</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.RefMultiContained
+	 * @generated
+	 */
+	EClass getRefMultiContained();
+
+	/**
+	 * Returns the meta object for the containment reference list '{@link org.eclipse.emf.cdo.tests.model4.RefMultiContained#getElements <em>Elements</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the containment reference list '<em>Elements</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.RefMultiContained#getElements()
+	 * @see #getRefMultiContained()
+	 * @generated
+	 */
+	EReference getRefMultiContained_Elements();
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model4.MultiContainedElement <em>Multi Contained Element</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Multi Contained Element</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.MultiContainedElement
+	 * @generated
+	 */
+	EClass getMultiContainedElement();
+
+	/**
+	 * Returns the meta object for the attribute '{@link org.eclipse.emf.cdo.tests.model4.MultiContainedElement#getName <em>Name</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the attribute '<em>Name</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.MultiContainedElement#getName()
+	 * @see #getMultiContainedElement()
+	 * @generated
+	 */
+	EAttribute getMultiContainedElement_Name();
+
+	/**
+	 * Returns the meta object for the container reference '{@link org.eclipse.emf.cdo.tests.model4.MultiContainedElement#getParent <em>Parent</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the container reference '<em>Parent</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.MultiContainedElement#getParent()
+	 * @see #getMultiContainedElement()
+	 * @generated
+	 */
+	EReference getMultiContainedElement_Parent();
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model4.RefMultiNonContained <em>Ref Multi Non Contained</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Ref Multi Non Contained</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.RefMultiNonContained
+	 * @generated
+	 */
+	EClass getRefMultiNonContained();
+
+	/**
+	 * Returns the meta object for the containment reference list '{@link org.eclipse.emf.cdo.tests.model4.RefMultiNonContained#getElements <em>Elements</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the containment reference list '<em>Elements</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.RefMultiNonContained#getElements()
+	 * @see #getRefMultiNonContained()
+	 * @generated
+	 */
+	EReference getRefMultiNonContained_Elements();
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model4.MultiNonContainedElement <em>Multi Non Contained Element</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Multi Non Contained Element</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.MultiNonContainedElement
+	 * @generated
+	 */
+	EClass getMultiNonContainedElement();
+
+	/**
+	 * Returns the meta object for the attribute '{@link org.eclipse.emf.cdo.tests.model4.MultiNonContainedElement#getName <em>Name</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the attribute '<em>Name</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.MultiNonContainedElement#getName()
+	 * @see #getMultiNonContainedElement()
+	 * @generated
+	 */
+	EAttribute getMultiNonContainedElement_Name();
+
+	/**
+	 * Returns the meta object for the container reference '{@link org.eclipse.emf.cdo.tests.model4.MultiNonContainedElement#getParent <em>Parent</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the container reference '<em>Parent</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.MultiNonContainedElement#getParent()
+	 * @see #getMultiNonContainedElement()
+	 * @generated
+	 */
+	EReference getMultiNonContainedElement_Parent();
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model4.RefSingleContainedNPL <em>Ref Single Contained NPL</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Ref Single Contained NPL</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.RefSingleContainedNPL
+	 * @generated
+	 */
+	EClass getRefSingleContainedNPL();
+
+	/**
+	 * Returns the meta object for the containment reference '{@link org.eclipse.emf.cdo.tests.model4.RefSingleContainedNPL#getElement <em>Element</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the containment reference '<em>Element</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.RefSingleContainedNPL#getElement()
+	 * @see #getRefSingleContainedNPL()
+	 * @generated
+	 */
+	EReference getRefSingleContainedNPL_Element();
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model4.RefSingleNonContainedNPL <em>Ref Single Non Contained NPL</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Ref Single Non Contained NPL</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.RefSingleNonContainedNPL
+	 * @generated
+	 */
+	EClass getRefSingleNonContainedNPL();
+
+	/**
+	 * Returns the meta object for the reference '{@link org.eclipse.emf.cdo.tests.model4.RefSingleNonContainedNPL#getElement <em>Element</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the reference '<em>Element</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.RefSingleNonContainedNPL#getElement()
+	 * @see #getRefSingleNonContainedNPL()
+	 * @generated
+	 */
+	EReference getRefSingleNonContainedNPL_Element();
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model4.RefMultiContainedNPL <em>Ref Multi Contained NPL</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Ref Multi Contained NPL</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.RefMultiContainedNPL
+	 * @generated
+	 */
+	EClass getRefMultiContainedNPL();
+
+	/**
+	 * Returns the meta object for the containment reference list '{@link org.eclipse.emf.cdo.tests.model4.RefMultiContainedNPL#getElements <em>Elements</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the containment reference list '<em>Elements</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.RefMultiContainedNPL#getElements()
+	 * @see #getRefMultiContainedNPL()
+	 * @generated
+	 */
+	EReference getRefMultiContainedNPL_Elements();
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model4.RefMultiNonContainedNPL <em>Ref Multi Non Contained NPL</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Ref Multi Non Contained NPL</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.RefMultiNonContainedNPL
+	 * @generated
+	 */
+	EClass getRefMultiNonContainedNPL();
+
+	/**
+	 * Returns the meta object for the reference list '{@link org.eclipse.emf.cdo.tests.model4.RefMultiNonContainedNPL#getElements <em>Elements</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the reference list '<em>Elements</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.RefMultiNonContainedNPL#getElements()
+	 * @see #getRefMultiNonContainedNPL()
+	 * @generated
+	 */
+	EReference getRefMultiNonContainedNPL_Elements();
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model4.ContainedElementNoOpposite <em>Contained Element No Opposite</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Contained Element No Opposite</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.ContainedElementNoOpposite
+	 * @generated
+	 */
+	EClass getContainedElementNoOpposite();
+
+	/**
+	 * Returns the meta object for the attribute '{@link org.eclipse.emf.cdo.tests.model4.ContainedElementNoOpposite#getName <em>Name</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the attribute '<em>Name</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.ContainedElementNoOpposite#getName()
+	 * @see #getContainedElementNoOpposite()
+	 * @generated
+	 */
+	EAttribute getContainedElementNoOpposite_Name();
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model4.GenRefSingleContained <em>Gen Ref Single Contained</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Gen Ref Single Contained</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.GenRefSingleContained
+	 * @generated
+	 */
+	EClass getGenRefSingleContained();
+
+	/**
+	 * Returns the meta object for the containment reference '{@link org.eclipse.emf.cdo.tests.model4.GenRefSingleContained#getElement <em>Element</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the containment reference '<em>Element</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.GenRefSingleContained#getElement()
+	 * @see #getGenRefSingleContained()
+	 * @generated
+	 */
+	EReference getGenRefSingleContained_Element();
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model4.GenRefSingleNonContained <em>Gen Ref Single Non Contained</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Gen Ref Single Non Contained</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.GenRefSingleNonContained
+	 * @generated
+	 */
+	EClass getGenRefSingleNonContained();
+
+	/**
+	 * Returns the meta object for the reference '{@link org.eclipse.emf.cdo.tests.model4.GenRefSingleNonContained#getElement <em>Element</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the reference '<em>Element</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.GenRefSingleNonContained#getElement()
+	 * @see #getGenRefSingleNonContained()
+	 * @generated
+	 */
+	EReference getGenRefSingleNonContained_Element();
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model4.GenRefMultiContained <em>Gen Ref Multi Contained</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Gen Ref Multi Contained</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.GenRefMultiContained
+	 * @generated
+	 */
+	EClass getGenRefMultiContained();
+
+	/**
+	 * Returns the meta object for the containment reference list '{@link org.eclipse.emf.cdo.tests.model4.GenRefMultiContained#getElements <em>Elements</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the containment reference list '<em>Elements</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.GenRefMultiContained#getElements()
+	 * @see #getGenRefMultiContained()
+	 * @generated
+	 */
+	EReference getGenRefMultiContained_Elements();
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model4.GenRefMultiNonContained <em>Gen Ref Multi Non Contained</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Gen Ref Multi Non Contained</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.GenRefMultiNonContained
+	 * @generated
+	 */
+	EClass getGenRefMultiNonContained();
+
+	/**
+	 * Returns the meta object for the reference list '{@link org.eclipse.emf.cdo.tests.model4.GenRefMultiNonContained#getElements <em>Elements</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the reference list '<em>Elements</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.GenRefMultiNonContained#getElements()
+	 * @see #getGenRefMultiNonContained()
+	 * @generated
+	 */
+	EReference getGenRefMultiNonContained_Elements();
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model4.ImplSingleRefContainer <em>Impl Single Ref Container</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Impl Single Ref Container</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.ImplSingleRefContainer
+	 * @generated
+	 */
+	EClass getImplSingleRefContainer();
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model4.ImplSingleRefContainedElement <em>Impl Single Ref Contained Element</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Impl Single Ref Contained Element</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.ImplSingleRefContainedElement
+	 * @generated
+	 */
+	EClass getImplSingleRefContainedElement();
+
+	/**
+	 * Returns the meta object for the attribute '{@link org.eclipse.emf.cdo.tests.model4.ImplSingleRefContainedElement#getName <em>Name</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the attribute '<em>Name</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.ImplSingleRefContainedElement#getName()
+	 * @see #getImplSingleRefContainedElement()
+	 * @generated
+	 */
+	EAttribute getImplSingleRefContainedElement_Name();
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model4.ImplSingleRefNonContainer <em>Impl Single Ref Non Container</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Impl Single Ref Non Container</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.ImplSingleRefNonContainer
+	 * @generated
+	 */
+	EClass getImplSingleRefNonContainer();
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model4.ImplSingleRefNonContainedElement <em>Impl Single Ref Non Contained Element</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Impl Single Ref Non Contained Element</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.ImplSingleRefNonContainedElement
+	 * @generated
+	 */
+	EClass getImplSingleRefNonContainedElement();
+
+	/**
+	 * Returns the meta object for the attribute '{@link org.eclipse.emf.cdo.tests.model4.ImplSingleRefNonContainedElement#getName <em>Name</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the attribute '<em>Name</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.ImplSingleRefNonContainedElement#getName()
+	 * @see #getImplSingleRefNonContainedElement()
+	 * @generated
+	 */
+	EAttribute getImplSingleRefNonContainedElement_Name();
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model4.ImplMultiRefNonContainer <em>Impl Multi Ref Non Container</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Impl Multi Ref Non Container</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.ImplMultiRefNonContainer
+	 * @generated
+	 */
+	EClass getImplMultiRefNonContainer();
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model4.ImplMultiRefNonContainedElement <em>Impl Multi Ref Non Contained Element</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Impl Multi Ref Non Contained Element</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.ImplMultiRefNonContainedElement
+	 * @generated
+	 */
+	EClass getImplMultiRefNonContainedElement();
+
+	/**
+	 * Returns the meta object for the attribute '{@link org.eclipse.emf.cdo.tests.model4.ImplMultiRefNonContainedElement#getName <em>Name</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the attribute '<em>Name</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.ImplMultiRefNonContainedElement#getName()
+	 * @see #getImplMultiRefNonContainedElement()
+	 * @generated
+	 */
+	EAttribute getImplMultiRefNonContainedElement_Name();
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model4.ImplMultiRefContainer <em>Impl Multi Ref Container</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Impl Multi Ref Container</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.ImplMultiRefContainer
+	 * @generated
+	 */
+	EClass getImplMultiRefContainer();
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model4.ImplMultiRefContainedElement <em>Impl Multi Ref Contained Element</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Impl Multi Ref Contained Element</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.ImplMultiRefContainedElement
+	 * @generated
+	 */
+	EClass getImplMultiRefContainedElement();
+
+	/**
+	 * Returns the meta object for the attribute '{@link org.eclipse.emf.cdo.tests.model4.ImplMultiRefContainedElement#getName <em>Name</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the attribute '<em>Name</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.ImplMultiRefContainedElement#getName()
+	 * @see #getImplMultiRefContainedElement()
+	 * @generated
+	 */
+	EAttribute getImplMultiRefContainedElement_Name();
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model4.ImplSingleRefContainerNPL <em>Impl Single Ref Container NPL</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Impl Single Ref Container NPL</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.ImplSingleRefContainerNPL
+	 * @generated
+	 */
+	EClass getImplSingleRefContainerNPL();
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model4.ImplSingleRefNonContainerNPL <em>Impl Single Ref Non Container NPL</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Impl Single Ref Non Container NPL</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.ImplSingleRefNonContainerNPL
+	 * @generated
+	 */
+	EClass getImplSingleRefNonContainerNPL();
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model4.ImplMultiRefContainerNPL <em>Impl Multi Ref Container NPL</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Impl Multi Ref Container NPL</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.ImplMultiRefContainerNPL
+	 * @generated
+	 */
+	EClass getImplMultiRefContainerNPL();
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model4.ImplMultiRefNonContainerNPL <em>Impl Multi Ref Non Container NPL</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Impl Multi Ref Non Container NPL</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.ImplMultiRefNonContainerNPL
+	 * @generated
+	 */
+	EClass getImplMultiRefNonContainerNPL();
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model4.ImplContainedElementNPL <em>Impl Contained Element NPL</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Impl Contained Element NPL</em>'.
+	 * @see org.eclipse.emf.cdo.tests.model4.ImplContainedElementNPL
+	 * @generated
+	 */
+	EClass getImplContainedElementNPL();
+
+	/**
+	 * Returns the factory that creates the instances of the model.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the factory that creates the instances of the model.
+	 * @generated
+	 */
+	model4Factory getmodel4Factory();
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * Defines literals for the meta objects that represent
+	 * <ul>
+	 *   <li>each class,</li>
+	 *   <li>each feature of each class,</li>
+	 *   <li>each enum,</li>
+	 *   <li>and each data type</li>
+	 * </ul>
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	interface Literals {
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.cdo.tests.model4.impl.RefSingleContainedImpl <em>Ref Single Contained</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.RefSingleContainedImpl
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getRefSingleContained()
+		 * @generated
+		 */
+		EClass REF_SINGLE_CONTAINED = eINSTANCE.getRefSingleContained();
+
+		/**
+		 * The meta object literal for the '<em><b>Element</b></em>' containment reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference REF_SINGLE_CONTAINED__ELEMENT = eINSTANCE.getRefSingleContained_Element();
+
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.cdo.tests.model4.impl.SingleContainedElementImpl <em>Single Contained Element</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.SingleContainedElementImpl
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getSingleContainedElement()
+		 * @generated
+		 */
+		EClass SINGLE_CONTAINED_ELEMENT = eINSTANCE.getSingleContainedElement();
+
+		/**
+		 * The meta object literal for the '<em><b>Name</b></em>' attribute feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EAttribute SINGLE_CONTAINED_ELEMENT__NAME = eINSTANCE.getSingleContainedElement_Name();
+
+		/**
+		 * The meta object literal for the '<em><b>Parent</b></em>' container reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference SINGLE_CONTAINED_ELEMENT__PARENT = eINSTANCE.getSingleContainedElement_Parent();
+
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.cdo.tests.model4.impl.RefSingleNonContainedImpl <em>Ref Single Non Contained</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.RefSingleNonContainedImpl
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getRefSingleNonContained()
+		 * @generated
+		 */
+		EClass REF_SINGLE_NON_CONTAINED = eINSTANCE.getRefSingleNonContained();
+
+		/**
+		 * The meta object literal for the '<em><b>Element</b></em>' reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference REF_SINGLE_NON_CONTAINED__ELEMENT = eINSTANCE.getRefSingleNonContained_Element();
+
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.cdo.tests.model4.impl.SingleNonContainedElementImpl <em>Single Non Contained Element</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.SingleNonContainedElementImpl
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getSingleNonContainedElement()
+		 * @generated
+		 */
+		EClass SINGLE_NON_CONTAINED_ELEMENT = eINSTANCE.getSingleNonContainedElement();
+
+		/**
+		 * The meta object literal for the '<em><b>Name</b></em>' attribute feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EAttribute SINGLE_NON_CONTAINED_ELEMENT__NAME = eINSTANCE.getSingleNonContainedElement_Name();
+
+		/**
+		 * The meta object literal for the '<em><b>Parent</b></em>' reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference SINGLE_NON_CONTAINED_ELEMENT__PARENT = eINSTANCE.getSingleNonContainedElement_Parent();
+
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.cdo.tests.model4.impl.RefMultiContainedImpl <em>Ref Multi Contained</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.RefMultiContainedImpl
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getRefMultiContained()
+		 * @generated
+		 */
+		EClass REF_MULTI_CONTAINED = eINSTANCE.getRefMultiContained();
+
+		/**
+		 * The meta object literal for the '<em><b>Elements</b></em>' containment reference list feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference REF_MULTI_CONTAINED__ELEMENTS = eINSTANCE.getRefMultiContained_Elements();
+
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.cdo.tests.model4.impl.MultiContainedElementImpl <em>Multi Contained Element</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.MultiContainedElementImpl
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getMultiContainedElement()
+		 * @generated
+		 */
+		EClass MULTI_CONTAINED_ELEMENT = eINSTANCE.getMultiContainedElement();
+
+		/**
+		 * The meta object literal for the '<em><b>Name</b></em>' attribute feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EAttribute MULTI_CONTAINED_ELEMENT__NAME = eINSTANCE.getMultiContainedElement_Name();
+
+		/**
+		 * The meta object literal for the '<em><b>Parent</b></em>' container reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference MULTI_CONTAINED_ELEMENT__PARENT = eINSTANCE.getMultiContainedElement_Parent();
+
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.cdo.tests.model4.impl.RefMultiNonContainedImpl <em>Ref Multi Non Contained</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.RefMultiNonContainedImpl
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getRefMultiNonContained()
+		 * @generated
+		 */
+		EClass REF_MULTI_NON_CONTAINED = eINSTANCE.getRefMultiNonContained();
+
+		/**
+		 * The meta object literal for the '<em><b>Elements</b></em>' containment reference list feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference REF_MULTI_NON_CONTAINED__ELEMENTS = eINSTANCE.getRefMultiNonContained_Elements();
+
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.cdo.tests.model4.impl.MultiNonContainedElementImpl <em>Multi Non Contained Element</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.MultiNonContainedElementImpl
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getMultiNonContainedElement()
+		 * @generated
+		 */
+		EClass MULTI_NON_CONTAINED_ELEMENT = eINSTANCE.getMultiNonContainedElement();
+
+		/**
+		 * The meta object literal for the '<em><b>Name</b></em>' attribute feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EAttribute MULTI_NON_CONTAINED_ELEMENT__NAME = eINSTANCE.getMultiNonContainedElement_Name();
+
+		/**
+		 * The meta object literal for the '<em><b>Parent</b></em>' container reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference MULTI_NON_CONTAINED_ELEMENT__PARENT = eINSTANCE.getMultiNonContainedElement_Parent();
+
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.cdo.tests.model4.impl.RefSingleContainedNPLImpl <em>Ref Single Contained NPL</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.RefSingleContainedNPLImpl
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getRefSingleContainedNPL()
+		 * @generated
+		 */
+		EClass REF_SINGLE_CONTAINED_NPL = eINSTANCE.getRefSingleContainedNPL();
+
+		/**
+		 * The meta object literal for the '<em><b>Element</b></em>' containment reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference REF_SINGLE_CONTAINED_NPL__ELEMENT = eINSTANCE.getRefSingleContainedNPL_Element();
+
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.cdo.tests.model4.impl.RefSingleNonContainedNPLImpl <em>Ref Single Non Contained NPL</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.RefSingleNonContainedNPLImpl
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getRefSingleNonContainedNPL()
+		 * @generated
+		 */
+		EClass REF_SINGLE_NON_CONTAINED_NPL = eINSTANCE.getRefSingleNonContainedNPL();
+
+		/**
+		 * The meta object literal for the '<em><b>Element</b></em>' reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference REF_SINGLE_NON_CONTAINED_NPL__ELEMENT = eINSTANCE.getRefSingleNonContainedNPL_Element();
+
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.cdo.tests.model4.impl.RefMultiContainedNPLImpl <em>Ref Multi Contained NPL</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.RefMultiContainedNPLImpl
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getRefMultiContainedNPL()
+		 * @generated
+		 */
+		EClass REF_MULTI_CONTAINED_NPL = eINSTANCE.getRefMultiContainedNPL();
+
+		/**
+		 * The meta object literal for the '<em><b>Elements</b></em>' containment reference list feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference REF_MULTI_CONTAINED_NPL__ELEMENTS = eINSTANCE.getRefMultiContainedNPL_Elements();
+
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.cdo.tests.model4.impl.RefMultiNonContainedNPLImpl <em>Ref Multi Non Contained NPL</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.RefMultiNonContainedNPLImpl
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getRefMultiNonContainedNPL()
+		 * @generated
+		 */
+		EClass REF_MULTI_NON_CONTAINED_NPL = eINSTANCE.getRefMultiNonContainedNPL();
+
+		/**
+		 * The meta object literal for the '<em><b>Elements</b></em>' reference list feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference REF_MULTI_NON_CONTAINED_NPL__ELEMENTS = eINSTANCE.getRefMultiNonContainedNPL_Elements();
+
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.cdo.tests.model4.impl.ContainedElementNoOppositeImpl <em>Contained Element No Opposite</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.ContainedElementNoOppositeImpl
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getContainedElementNoOpposite()
+		 * @generated
+		 */
+		EClass CONTAINED_ELEMENT_NO_OPPOSITE = eINSTANCE.getContainedElementNoOpposite();
+
+		/**
+		 * The meta object literal for the '<em><b>Name</b></em>' attribute feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EAttribute CONTAINED_ELEMENT_NO_OPPOSITE__NAME = eINSTANCE.getContainedElementNoOpposite_Name();
+
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.cdo.tests.model4.impl.GenRefSingleContainedImpl <em>Gen Ref Single Contained</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.GenRefSingleContainedImpl
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getGenRefSingleContained()
+		 * @generated
+		 */
+		EClass GEN_REF_SINGLE_CONTAINED = eINSTANCE.getGenRefSingleContained();
+
+		/**
+		 * The meta object literal for the '<em><b>Element</b></em>' containment reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference GEN_REF_SINGLE_CONTAINED__ELEMENT = eINSTANCE.getGenRefSingleContained_Element();
+
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.cdo.tests.model4.impl.GenRefSingleNonContainedImpl <em>Gen Ref Single Non Contained</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.GenRefSingleNonContainedImpl
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getGenRefSingleNonContained()
+		 * @generated
+		 */
+		EClass GEN_REF_SINGLE_NON_CONTAINED = eINSTANCE.getGenRefSingleNonContained();
+
+		/**
+		 * The meta object literal for the '<em><b>Element</b></em>' reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference GEN_REF_SINGLE_NON_CONTAINED__ELEMENT = eINSTANCE.getGenRefSingleNonContained_Element();
+
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.cdo.tests.model4.impl.GenRefMultiContainedImpl <em>Gen Ref Multi Contained</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.GenRefMultiContainedImpl
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getGenRefMultiContained()
+		 * @generated
+		 */
+		EClass GEN_REF_MULTI_CONTAINED = eINSTANCE.getGenRefMultiContained();
+
+		/**
+		 * The meta object literal for the '<em><b>Elements</b></em>' containment reference list feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference GEN_REF_MULTI_CONTAINED__ELEMENTS = eINSTANCE.getGenRefMultiContained_Elements();
+
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.cdo.tests.model4.impl.GenRefMultiNonContainedImpl <em>Gen Ref Multi Non Contained</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.GenRefMultiNonContainedImpl
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getGenRefMultiNonContained()
+		 * @generated
+		 */
+		EClass GEN_REF_MULTI_NON_CONTAINED = eINSTANCE.getGenRefMultiNonContained();
+
+		/**
+		 * The meta object literal for the '<em><b>Elements</b></em>' reference list feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference GEN_REF_MULTI_NON_CONTAINED__ELEMENTS = eINSTANCE.getGenRefMultiNonContained_Elements();
+
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefContainerImpl <em>Impl Single Ref Container</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefContainerImpl
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getImplSingleRefContainer()
+		 * @generated
+		 */
+		EClass IMPL_SINGLE_REF_CONTAINER = eINSTANCE.getImplSingleRefContainer();
+
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefContainedElementImpl <em>Impl Single Ref Contained Element</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefContainedElementImpl
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getImplSingleRefContainedElement()
+		 * @generated
+		 */
+		EClass IMPL_SINGLE_REF_CONTAINED_ELEMENT = eINSTANCE.getImplSingleRefContainedElement();
+
+		/**
+		 * The meta object literal for the '<em><b>Name</b></em>' attribute feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EAttribute IMPL_SINGLE_REF_CONTAINED_ELEMENT__NAME = eINSTANCE.getImplSingleRefContainedElement_Name();
+
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefNonContainerImpl <em>Impl Single Ref Non Container</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefNonContainerImpl
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getImplSingleRefNonContainer()
+		 * @generated
+		 */
+		EClass IMPL_SINGLE_REF_NON_CONTAINER = eINSTANCE.getImplSingleRefNonContainer();
+
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefNonContainedElementImpl <em>Impl Single Ref Non Contained Element</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefNonContainedElementImpl
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getImplSingleRefNonContainedElement()
+		 * @generated
+		 */
+		EClass IMPL_SINGLE_REF_NON_CONTAINED_ELEMENT = eINSTANCE.getImplSingleRefNonContainedElement();
+
+		/**
+		 * The meta object literal for the '<em><b>Name</b></em>' attribute feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EAttribute IMPL_SINGLE_REF_NON_CONTAINED_ELEMENT__NAME = eINSTANCE.getImplSingleRefNonContainedElement_Name();
+
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefNonContainerImpl <em>Impl Multi Ref Non Container</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefNonContainerImpl
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getImplMultiRefNonContainer()
+		 * @generated
+		 */
+		EClass IMPL_MULTI_REF_NON_CONTAINER = eINSTANCE.getImplMultiRefNonContainer();
+
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefNonContainedElementImpl <em>Impl Multi Ref Non Contained Element</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefNonContainedElementImpl
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getImplMultiRefNonContainedElement()
+		 * @generated
+		 */
+		EClass IMPL_MULTI_REF_NON_CONTAINED_ELEMENT = eINSTANCE.getImplMultiRefNonContainedElement();
+
+		/**
+		 * The meta object literal for the '<em><b>Name</b></em>' attribute feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EAttribute IMPL_MULTI_REF_NON_CONTAINED_ELEMENT__NAME = eINSTANCE.getImplMultiRefNonContainedElement_Name();
+
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefContainerImpl <em>Impl Multi Ref Container</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefContainerImpl
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getImplMultiRefContainer()
+		 * @generated
+		 */
+		EClass IMPL_MULTI_REF_CONTAINER = eINSTANCE.getImplMultiRefContainer();
+
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefContainedElementImpl <em>Impl Multi Ref Contained Element</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefContainedElementImpl
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getImplMultiRefContainedElement()
+		 * @generated
+		 */
+		EClass IMPL_MULTI_REF_CONTAINED_ELEMENT = eINSTANCE.getImplMultiRefContainedElement();
+
+		/**
+		 * The meta object literal for the '<em><b>Name</b></em>' attribute feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EAttribute IMPL_MULTI_REF_CONTAINED_ELEMENT__NAME = eINSTANCE.getImplMultiRefContainedElement_Name();
+
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefContainerNPLImpl <em>Impl Single Ref Container NPL</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefContainerNPLImpl
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getImplSingleRefContainerNPL()
+		 * @generated
+		 */
+		EClass IMPL_SINGLE_REF_CONTAINER_NPL = eINSTANCE.getImplSingleRefContainerNPL();
+
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefNonContainerNPLImpl <em>Impl Single Ref Non Container NPL</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.ImplSingleRefNonContainerNPLImpl
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getImplSingleRefNonContainerNPL()
+		 * @generated
+		 */
+		EClass IMPL_SINGLE_REF_NON_CONTAINER_NPL = eINSTANCE.getImplSingleRefNonContainerNPL();
+
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefContainerNPLImpl <em>Impl Multi Ref Container NPL</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefContainerNPLImpl
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getImplMultiRefContainerNPL()
+		 * @generated
+		 */
+		EClass IMPL_MULTI_REF_CONTAINER_NPL = eINSTANCE.getImplMultiRefContainerNPL();
+
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefNonContainerNPLImpl <em>Impl Multi Ref Non Container NPL</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.ImplMultiRefNonContainerNPLImpl
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getImplMultiRefNonContainerNPL()
+		 * @generated
+		 */
+		EClass IMPL_MULTI_REF_NON_CONTAINER_NPL = eINSTANCE.getImplMultiRefNonContainerNPL();
+
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.cdo.tests.model4.impl.ImplContainedElementNPLImpl <em>Impl Contained Element NPL</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.ImplContainedElementNPLImpl
+		 * @see org.eclipse.emf.cdo.tests.model4.impl.model4PackageImpl#getImplContainedElementNPL()
+		 * @generated
+		 */
+		EClass IMPL_CONTAINED_ELEMENT_NPL = eINSTANCE.getImplContainedElementNPL();
+
+	}
+
+} //model4Package
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/util/model4AdapterFactory.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/util/model4AdapterFactory.java
new file mode 100644
index 0000000000..8989269c99
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/util/model4AdapterFactory.java
@@ -0,0 +1,913 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: model4AdapterFactory.java,v 1.1 2008-07-10 15:42:29 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.util;
+
+import org.eclipse.emf.cdo.tests.model4.*;
+
+import org.eclipse.emf.cdo.tests.model4interfaces.IContainedElementNoParentLink;
+import org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefContainedElement;
+import org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefContainer;
+import org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefContainerNPL;
+import org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefNonContainedElement;
+import org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefNonContainer;
+import org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefNonContainerNPL;
+import org.eclipse.emf.cdo.tests.model4interfaces.INamedElement;
+import org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefContainedElement;
+import org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefContainer;
+import org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefContainerNPL;
+import org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefNonContainedElement;
+import org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefNonContainer;
+import org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefNonContainerNPL;
+
+import org.eclipse.emf.common.notify.Adapter;
+import org.eclipse.emf.common.notify.Notifier;
+
+import org.eclipse.emf.common.notify.impl.AdapterFactoryImpl;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Adapter Factory</b> for the model.
+ * It provides an adapter <code>createXXX</code> method for each class of the model.
+ * <!-- end-user-doc -->
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package
+ * @generated
+ */
+public class model4AdapterFactory extends AdapterFactoryImpl {
+	/**
+	 * The cached model package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static model4Package modelPackage;
+
+	/**
+	 * Creates an instance of the adapter factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public model4AdapterFactory() {
+		if (modelPackage == null) {
+			modelPackage = model4Package.eINSTANCE;
+		}
+	}
+
+	/**
+	 * Returns whether this factory is applicable for the type of the object.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns <code>true</code> if the object is either the model's package or is an instance object of the model.
+	 * <!-- end-user-doc -->
+	 * @return whether this factory is applicable for the type of the object.
+	 * @generated
+	 */
+	@Override
+	public boolean isFactoryForType(Object object) {
+		if (object == modelPackage) {
+			return true;
+		}
+		if (object instanceof EObject) {
+			return ((EObject)object).eClass().getEPackage() == modelPackage;
+		}
+		return false;
+	}
+
+	/**
+	 * The switch that delegates to the <code>createXXX</code> methods.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected model4Switch<Adapter> modelSwitch =
+		new model4Switch<Adapter>() {
+			@Override
+			public Adapter caseRefSingleContained(RefSingleContained object) {
+				return createRefSingleContainedAdapter();
+			}
+			@Override
+			public Adapter caseSingleContainedElement(SingleContainedElement object) {
+				return createSingleContainedElementAdapter();
+			}
+			@Override
+			public Adapter caseRefSingleNonContained(RefSingleNonContained object) {
+				return createRefSingleNonContainedAdapter();
+			}
+			@Override
+			public Adapter caseSingleNonContainedElement(SingleNonContainedElement object) {
+				return createSingleNonContainedElementAdapter();
+			}
+			@Override
+			public Adapter caseRefMultiContained(RefMultiContained object) {
+				return createRefMultiContainedAdapter();
+			}
+			@Override
+			public Adapter caseMultiContainedElement(MultiContainedElement object) {
+				return createMultiContainedElementAdapter();
+			}
+			@Override
+			public Adapter caseRefMultiNonContained(RefMultiNonContained object) {
+				return createRefMultiNonContainedAdapter();
+			}
+			@Override
+			public Adapter caseMultiNonContainedElement(MultiNonContainedElement object) {
+				return createMultiNonContainedElementAdapter();
+			}
+			@Override
+			public Adapter caseRefSingleContainedNPL(RefSingleContainedNPL object) {
+				return createRefSingleContainedNPLAdapter();
+			}
+			@Override
+			public Adapter caseRefSingleNonContainedNPL(RefSingleNonContainedNPL object) {
+				return createRefSingleNonContainedNPLAdapter();
+			}
+			@Override
+			public Adapter caseRefMultiContainedNPL(RefMultiContainedNPL object) {
+				return createRefMultiContainedNPLAdapter();
+			}
+			@Override
+			public Adapter caseRefMultiNonContainedNPL(RefMultiNonContainedNPL object) {
+				return createRefMultiNonContainedNPLAdapter();
+			}
+			@Override
+			public Adapter caseContainedElementNoOpposite(ContainedElementNoOpposite object) {
+				return createContainedElementNoOppositeAdapter();
+			}
+			@Override
+			public Adapter caseGenRefSingleContained(GenRefSingleContained object) {
+				return createGenRefSingleContainedAdapter();
+			}
+			@Override
+			public Adapter caseGenRefSingleNonContained(GenRefSingleNonContained object) {
+				return createGenRefSingleNonContainedAdapter();
+			}
+			@Override
+			public Adapter caseGenRefMultiContained(GenRefMultiContained object) {
+				return createGenRefMultiContainedAdapter();
+			}
+			@Override
+			public Adapter caseGenRefMultiNonContained(GenRefMultiNonContained object) {
+				return createGenRefMultiNonContainedAdapter();
+			}
+			@Override
+			public Adapter caseImplSingleRefContainer(ImplSingleRefContainer object) {
+				return createImplSingleRefContainerAdapter();
+			}
+			@Override
+			public Adapter caseImplSingleRefContainedElement(ImplSingleRefContainedElement object) {
+				return createImplSingleRefContainedElementAdapter();
+			}
+			@Override
+			public Adapter caseImplSingleRefNonContainer(ImplSingleRefNonContainer object) {
+				return createImplSingleRefNonContainerAdapter();
+			}
+			@Override
+			public Adapter caseImplSingleRefNonContainedElement(ImplSingleRefNonContainedElement object) {
+				return createImplSingleRefNonContainedElementAdapter();
+			}
+			@Override
+			public Adapter caseImplMultiRefNonContainer(ImplMultiRefNonContainer object) {
+				return createImplMultiRefNonContainerAdapter();
+			}
+			@Override
+			public Adapter caseImplMultiRefNonContainedElement(ImplMultiRefNonContainedElement object) {
+				return createImplMultiRefNonContainedElementAdapter();
+			}
+			@Override
+			public Adapter caseImplMultiRefContainer(ImplMultiRefContainer object) {
+				return createImplMultiRefContainerAdapter();
+			}
+			@Override
+			public Adapter caseImplMultiRefContainedElement(ImplMultiRefContainedElement object) {
+				return createImplMultiRefContainedElementAdapter();
+			}
+			@Override
+			public Adapter caseImplSingleRefContainerNPL(ImplSingleRefContainerNPL object) {
+				return createImplSingleRefContainerNPLAdapter();
+			}
+			@Override
+			public Adapter caseImplSingleRefNonContainerNPL(ImplSingleRefNonContainerNPL object) {
+				return createImplSingleRefNonContainerNPLAdapter();
+			}
+			@Override
+			public Adapter caseImplMultiRefContainerNPL(ImplMultiRefContainerNPL object) {
+				return createImplMultiRefContainerNPLAdapter();
+			}
+			@Override
+			public Adapter caseImplMultiRefNonContainerNPL(ImplMultiRefNonContainerNPL object) {
+				return createImplMultiRefNonContainerNPLAdapter();
+			}
+			@Override
+			public Adapter caseImplContainedElementNPL(ImplContainedElementNPL object) {
+				return createImplContainedElementNPLAdapter();
+			}
+			@Override
+			public Adapter caseISingleRefContainer(ISingleRefContainer object) {
+				return createISingleRefContainerAdapter();
+			}
+			@Override
+			public Adapter caseISingleRefContainedElement(ISingleRefContainedElement object) {
+				return createISingleRefContainedElementAdapter();
+			}
+			@Override
+			public Adapter caseISingleRefNonContainer(ISingleRefNonContainer object) {
+				return createISingleRefNonContainerAdapter();
+			}
+			@Override
+			public Adapter caseISingleRefNonContainedElement(ISingleRefNonContainedElement object) {
+				return createISingleRefNonContainedElementAdapter();
+			}
+			@Override
+			public Adapter caseIMultiRefNonContainer(IMultiRefNonContainer object) {
+				return createIMultiRefNonContainerAdapter();
+			}
+			@Override
+			public Adapter caseIMultiRefNonContainedElement(IMultiRefNonContainedElement object) {
+				return createIMultiRefNonContainedElementAdapter();
+			}
+			@Override
+			public Adapter caseIMultiRefContainer(IMultiRefContainer object) {
+				return createIMultiRefContainerAdapter();
+			}
+			@Override
+			public Adapter caseIMultiRefContainedElement(IMultiRefContainedElement object) {
+				return createIMultiRefContainedElementAdapter();
+			}
+			@Override
+			public Adapter caseISingleRefContainerNPL(ISingleRefContainerNPL object) {
+				return createISingleRefContainerNPLAdapter();
+			}
+			@Override
+			public Adapter caseISingleRefNonContainerNPL(ISingleRefNonContainerNPL object) {
+				return createISingleRefNonContainerNPLAdapter();
+			}
+			@Override
+			public Adapter caseIMultiRefContainerNPL(IMultiRefContainerNPL object) {
+				return createIMultiRefContainerNPLAdapter();
+			}
+			@Override
+			public Adapter caseIMultiRefNonContainerNPL(IMultiRefNonContainerNPL object) {
+				return createIMultiRefNonContainerNPLAdapter();
+			}
+			@Override
+			public Adapter caseIContainedElementNoParentLink(IContainedElementNoParentLink object) {
+				return createIContainedElementNoParentLinkAdapter();
+			}
+			@Override
+			public Adapter caseINamedElement(INamedElement object) {
+				return createINamedElementAdapter();
+			}
+			@Override
+			public Adapter defaultCase(EObject object) {
+				return createEObjectAdapter();
+			}
+		};
+
+	/**
+	 * Creates an adapter for the <code>target</code>.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param target the object to adapt.
+	 * @return the adapter for the <code>target</code>.
+	 * @generated
+	 */
+	@Override
+	public Adapter createAdapter(Notifier target) {
+		return modelSwitch.doSwitch((EObject)target);
+	}
+
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4.RefSingleContained <em>Ref Single Contained</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4.RefSingleContained
+	 * @generated
+	 */
+	public Adapter createRefSingleContainedAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4.SingleContainedElement <em>Single Contained Element</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4.SingleContainedElement
+	 * @generated
+	 */
+	public Adapter createSingleContainedElementAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4.RefSingleNonContained <em>Ref Single Non Contained</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4.RefSingleNonContained
+	 * @generated
+	 */
+	public Adapter createRefSingleNonContainedAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4.SingleNonContainedElement <em>Single Non Contained Element</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4.SingleNonContainedElement
+	 * @generated
+	 */
+	public Adapter createSingleNonContainedElementAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4.RefMultiContained <em>Ref Multi Contained</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4.RefMultiContained
+	 * @generated
+	 */
+	public Adapter createRefMultiContainedAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4.MultiContainedElement <em>Multi Contained Element</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4.MultiContainedElement
+	 * @generated
+	 */
+	public Adapter createMultiContainedElementAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4.RefMultiNonContained <em>Ref Multi Non Contained</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4.RefMultiNonContained
+	 * @generated
+	 */
+	public Adapter createRefMultiNonContainedAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4.MultiNonContainedElement <em>Multi Non Contained Element</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4.MultiNonContainedElement
+	 * @generated
+	 */
+	public Adapter createMultiNonContainedElementAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4.RefSingleContainedNPL <em>Ref Single Contained NPL</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4.RefSingleContainedNPL
+	 * @generated
+	 */
+	public Adapter createRefSingleContainedNPLAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4.RefSingleNonContainedNPL <em>Ref Single Non Contained NPL</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4.RefSingleNonContainedNPL
+	 * @generated
+	 */
+	public Adapter createRefSingleNonContainedNPLAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4.RefMultiContainedNPL <em>Ref Multi Contained NPL</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4.RefMultiContainedNPL
+	 * @generated
+	 */
+	public Adapter createRefMultiContainedNPLAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4.RefMultiNonContainedNPL <em>Ref Multi Non Contained NPL</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4.RefMultiNonContainedNPL
+	 * @generated
+	 */
+	public Adapter createRefMultiNonContainedNPLAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4.ContainedElementNoOpposite <em>Contained Element No Opposite</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4.ContainedElementNoOpposite
+	 * @generated
+	 */
+	public Adapter createContainedElementNoOppositeAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4.GenRefSingleContained <em>Gen Ref Single Contained</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4.GenRefSingleContained
+	 * @generated
+	 */
+	public Adapter createGenRefSingleContainedAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4.GenRefSingleNonContained <em>Gen Ref Single Non Contained</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4.GenRefSingleNonContained
+	 * @generated
+	 */
+	public Adapter createGenRefSingleNonContainedAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4.GenRefMultiContained <em>Gen Ref Multi Contained</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4.GenRefMultiContained
+	 * @generated
+	 */
+	public Adapter createGenRefMultiContainedAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4.GenRefMultiNonContained <em>Gen Ref Multi Non Contained</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4.GenRefMultiNonContained
+	 * @generated
+	 */
+	public Adapter createGenRefMultiNonContainedAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4.ImplSingleRefContainer <em>Impl Single Ref Container</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4.ImplSingleRefContainer
+	 * @generated
+	 */
+	public Adapter createImplSingleRefContainerAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4.ImplSingleRefContainedElement <em>Impl Single Ref Contained Element</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4.ImplSingleRefContainedElement
+	 * @generated
+	 */
+	public Adapter createImplSingleRefContainedElementAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4.ImplSingleRefNonContainer <em>Impl Single Ref Non Container</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4.ImplSingleRefNonContainer
+	 * @generated
+	 */
+	public Adapter createImplSingleRefNonContainerAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4.ImplSingleRefNonContainedElement <em>Impl Single Ref Non Contained Element</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4.ImplSingleRefNonContainedElement
+	 * @generated
+	 */
+	public Adapter createImplSingleRefNonContainedElementAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4.ImplMultiRefNonContainer <em>Impl Multi Ref Non Container</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4.ImplMultiRefNonContainer
+	 * @generated
+	 */
+	public Adapter createImplMultiRefNonContainerAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4.ImplMultiRefNonContainedElement <em>Impl Multi Ref Non Contained Element</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4.ImplMultiRefNonContainedElement
+	 * @generated
+	 */
+	public Adapter createImplMultiRefNonContainedElementAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4.ImplMultiRefContainer <em>Impl Multi Ref Container</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4.ImplMultiRefContainer
+	 * @generated
+	 */
+	public Adapter createImplMultiRefContainerAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4.ImplMultiRefContainedElement <em>Impl Multi Ref Contained Element</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4.ImplMultiRefContainedElement
+	 * @generated
+	 */
+	public Adapter createImplMultiRefContainedElementAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4.ImplSingleRefContainerNPL <em>Impl Single Ref Container NPL</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4.ImplSingleRefContainerNPL
+	 * @generated
+	 */
+	public Adapter createImplSingleRefContainerNPLAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4.ImplSingleRefNonContainerNPL <em>Impl Single Ref Non Container NPL</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4.ImplSingleRefNonContainerNPL
+	 * @generated
+	 */
+	public Adapter createImplSingleRefNonContainerNPLAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4.ImplMultiRefContainerNPL <em>Impl Multi Ref Container NPL</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4.ImplMultiRefContainerNPL
+	 * @generated
+	 */
+	public Adapter createImplMultiRefContainerNPLAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4.ImplMultiRefNonContainerNPL <em>Impl Multi Ref Non Container NPL</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4.ImplMultiRefNonContainerNPL
+	 * @generated
+	 */
+	public Adapter createImplMultiRefNonContainerNPLAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4.ImplContainedElementNPL <em>Impl Contained Element NPL</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4.ImplContainedElementNPL
+	 * @generated
+	 */
+	public Adapter createImplContainedElementNPLAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefContainer <em>ISingle Ref Container</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefContainer
+	 * @generated
+	 */
+	public Adapter createISingleRefContainerAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefContainedElement <em>ISingle Ref Contained Element</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefContainedElement
+	 * @generated
+	 */
+	public Adapter createISingleRefContainedElementAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefNonContainer <em>ISingle Ref Non Container</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefNonContainer
+	 * @generated
+	 */
+	public Adapter createISingleRefNonContainerAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefNonContainedElement <em>ISingle Ref Non Contained Element</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefNonContainedElement
+	 * @generated
+	 */
+	public Adapter createISingleRefNonContainedElementAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefNonContainer <em>IMulti Ref Non Container</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefNonContainer
+	 * @generated
+	 */
+	public Adapter createIMultiRefNonContainerAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefNonContainedElement <em>IMulti Ref Non Contained Element</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefNonContainedElement
+	 * @generated
+	 */
+	public Adapter createIMultiRefNonContainedElementAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefContainer <em>IMulti Ref Container</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefContainer
+	 * @generated
+	 */
+	public Adapter createIMultiRefContainerAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefContainedElement <em>IMulti Ref Contained Element</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefContainedElement
+	 * @generated
+	 */
+	public Adapter createIMultiRefContainedElementAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefContainerNPL <em>ISingle Ref Container NPL</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefContainerNPL
+	 * @generated
+	 */
+	public Adapter createISingleRefContainerNPLAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefNonContainerNPL <em>ISingle Ref Non Container NPL</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefNonContainerNPL
+	 * @generated
+	 */
+	public Adapter createISingleRefNonContainerNPLAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefContainerNPL <em>IMulti Ref Container NPL</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefContainerNPL
+	 * @generated
+	 */
+	public Adapter createIMultiRefContainerNPLAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefNonContainerNPL <em>IMulti Ref Non Container NPL</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefNonContainerNPL
+	 * @generated
+	 */
+	public Adapter createIMultiRefNonContainerNPLAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4interfaces.IContainedElementNoParentLink <em>IContained Element No Parent Link</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4interfaces.IContainedElementNoParentLink
+	 * @generated
+	 */
+	public Adapter createIContainedElementNoParentLinkAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.cdo.tests.model4interfaces.INamedElement <em>INamed Element</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.cdo.tests.model4interfaces.INamedElement
+	 * @generated
+	 */
+	public Adapter createINamedElementAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for the default case.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @generated
+	 */
+	public Adapter createEObjectAdapter() {
+		return null;
+	}
+
+} //model4AdapterFactory
diff --git a/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/util/model4Switch.java b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/util/model4Switch.java
new file mode 100644
index 0000000000..fa97f51491
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests.model4/src/org/eclipse/emf/cdo/tests/model4/util/model4Switch.java
@@ -0,0 +1,978 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ * $Id: model4Switch.java,v 1.1 2008-07-10 15:42:29 estepper Exp $
+ */
+package org.eclipse.emf.cdo.tests.model4.util;
+
+import java.util.List;
+
+import org.eclipse.emf.cdo.tests.model4.*;
+
+import org.eclipse.emf.cdo.tests.model4interfaces.IContainedElementNoParentLink;
+import org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefContainedElement;
+import org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefContainer;
+import org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefContainerNPL;
+import org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefNonContainedElement;
+import org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefNonContainer;
+import org.eclipse.emf.cdo.tests.model4interfaces.IMultiRefNonContainerNPL;
+import org.eclipse.emf.cdo.tests.model4interfaces.INamedElement;
+import org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefContainedElement;
+import org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefContainer;
+import org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefContainerNPL;
+import org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefNonContainedElement;
+import org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefNonContainer;
+import org.eclipse.emf.cdo.tests.model4interfaces.ISingleRefNonContainerNPL;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Switch</b> for the model's inheritance hierarchy.
+ * It supports the call {@link #doSwitch(EObject) doSwitch(object)}
+ * to invoke the <code>caseXXX</code> method for each class of the model,
+ * starting with the actual class of the object
+ * and proceeding up the inheritance hierarchy
+ * until a non-null result is returned,
+ * which is the result of the switch.
+ * <!-- end-user-doc -->
+ * @see org.eclipse.emf.cdo.tests.model4.model4Package
+ * @generated
+ */
+public class model4Switch<T> {
+	/**
+	 * The cached model package
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static model4Package modelPackage;
+
+	/**
+	 * Creates an instance of the switch.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public model4Switch() {
+		if (modelPackage == null) {
+			modelPackage = model4Package.eINSTANCE;
+		}
+	}
+
+	/**
+	 * Calls <code>caseXXX</code> for each class of the model until one returns a non null result; it yields that result.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the first non-null result returned by a <code>caseXXX</code> call.
+	 * @generated
+	 */
+	public T doSwitch(EObject theEObject) {
+		return doSwitch(theEObject.eClass(), theEObject);
+	}
+
+	/**
+	 * Calls <code>caseXXX</code> for each class of the model until one returns a non null result; it yields that result.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the first non-null result returned by a <code>caseXXX</code> call.
+	 * @generated
+	 */
+	protected T doSwitch(EClass theEClass, EObject theEObject) {
+		if (theEClass.eContainer() == modelPackage) {
+			return doSwitch(theEClass.getClassifierID(), theEObject);
+		}
+		else {
+			List<EClass> eSuperTypes = theEClass.getESuperTypes();
+			return
+				eSuperTypes.isEmpty() ?
+					defaultCase(theEObject) :
+					doSwitch(eSuperTypes.get(0), theEObject);
+		}
+	}
+
+	/**
+	 * Calls <code>caseXXX</code> for each class of the model until one returns a non null result; it yields that result.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the first non-null result returned by a <code>caseXXX</code> call.
+	 * @generated
+	 */
+	protected T doSwitch(int classifierID, EObject theEObject) {
+		switch (classifierID) {
+			case model4Package.REF_SINGLE_CONTAINED: {
+				RefSingleContained refSingleContained = (RefSingleContained)theEObject;
+				T result = caseRefSingleContained(refSingleContained);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case model4Package.SINGLE_CONTAINED_ELEMENT: {
+				SingleContainedElement singleContainedElement = (SingleContainedElement)theEObject;
+				T result = caseSingleContainedElement(singleContainedElement);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case model4Package.REF_SINGLE_NON_CONTAINED: {
+				RefSingleNonContained refSingleNonContained = (RefSingleNonContained)theEObject;
+				T result = caseRefSingleNonContained(refSingleNonContained);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case model4Package.SINGLE_NON_CONTAINED_ELEMENT: {
+				SingleNonContainedElement singleNonContainedElement = (SingleNonContainedElement)theEObject;
+				T result = caseSingleNonContainedElement(singleNonContainedElement);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case model4Package.REF_MULTI_CONTAINED: {
+				RefMultiContained refMultiContained = (RefMultiContained)theEObject;
+				T result = caseRefMultiContained(refMultiContained);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case model4Package.MULTI_CONTAINED_ELEMENT: {
+				MultiContainedElement multiContainedElement = (MultiContainedElement)theEObject;
+				T result = caseMultiContainedElement(multiContainedElement);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case model4Package.REF_MULTI_NON_CONTAINED: {
+				RefMultiNonContained refMultiNonContained = (RefMultiNonContained)theEObject;
+				T result = caseRefMultiNonContained(refMultiNonContained);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case model4Package.MULTI_NON_CONTAINED_ELEMENT: {
+				MultiNonContainedElement multiNonContainedElement = (MultiNonContainedElement)theEObject;
+				T result = caseMultiNonContainedElement(multiNonContainedElement);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case model4Package.REF_SINGLE_CONTAINED_NPL: {
+				RefSingleContainedNPL refSingleContainedNPL = (RefSingleContainedNPL)theEObject;
+				T result = caseRefSingleContainedNPL(refSingleContainedNPL);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case model4Package.REF_SINGLE_NON_CONTAINED_NPL: {
+				RefSingleNonContainedNPL refSingleNonContainedNPL = (RefSingleNonContainedNPL)theEObject;
+				T result = caseRefSingleNonContainedNPL(refSingleNonContainedNPL);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case model4Package.REF_MULTI_CONTAINED_NPL: {
+				RefMultiContainedNPL refMultiContainedNPL = (RefMultiContainedNPL)theEObject;
+				T result = caseRefMultiContainedNPL(refMultiContainedNPL);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case model4Package.REF_MULTI_NON_CONTAINED_NPL: {
+				RefMultiNonContainedNPL refMultiNonContainedNPL = (RefMultiNonContainedNPL)theEObject;
+				T result = caseRefMultiNonContainedNPL(refMultiNonContainedNPL);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case model4Package.CONTAINED_ELEMENT_NO_OPPOSITE: {
+				ContainedElementNoOpposite containedElementNoOpposite = (ContainedElementNoOpposite)theEObject;
+				T result = caseContainedElementNoOpposite(containedElementNoOpposite);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case model4Package.GEN_REF_SINGLE_CONTAINED: {
+				GenRefSingleContained genRefSingleContained = (GenRefSingleContained)theEObject;
+				T result = caseGenRefSingleContained(genRefSingleContained);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case model4Package.GEN_REF_SINGLE_NON_CONTAINED: {
+				GenRefSingleNonContained genRefSingleNonContained = (GenRefSingleNonContained)theEObject;
+				T result = caseGenRefSingleNonContained(genRefSingleNonContained);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case model4Package.GEN_REF_MULTI_CONTAINED: {
+				GenRefMultiContained genRefMultiContained = (GenRefMultiContained)theEObject;
+				T result = caseGenRefMultiContained(genRefMultiContained);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case model4Package.GEN_REF_MULTI_NON_CONTAINED: {
+				GenRefMultiNonContained genRefMultiNonContained = (GenRefMultiNonContained)theEObject;
+				T result = caseGenRefMultiNonContained(genRefMultiNonContained);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case model4Package.IMPL_SINGLE_REF_CONTAINER: {
+				ImplSingleRefContainer implSingleRefContainer = (ImplSingleRefContainer)theEObject;
+				T result = caseImplSingleRefContainer(implSingleRefContainer);
+				if (result == null) result = caseISingleRefContainer(implSingleRefContainer);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case model4Package.IMPL_SINGLE_REF_CONTAINED_ELEMENT: {
+				ImplSingleRefContainedElement implSingleRefContainedElement = (ImplSingleRefContainedElement)theEObject;
+				T result = caseImplSingleRefContainedElement(implSingleRefContainedElement);
+				if (result == null) result = caseISingleRefContainedElement(implSingleRefContainedElement);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case model4Package.IMPL_SINGLE_REF_NON_CONTAINER: {
+				ImplSingleRefNonContainer implSingleRefNonContainer = (ImplSingleRefNonContainer)theEObject;
+				T result = caseImplSingleRefNonContainer(implSingleRefNonContainer);
+				if (result == null) result = caseISingleRefNonContainer(implSingleRefNonContainer);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case model4Package.IMPL_SINGLE_REF_NON_CONTAINED_ELEMENT: {
+				ImplSingleRefNonContainedElement implSingleRefNonContainedElement = (ImplSingleRefNonContainedElement)theEObject;
+				T result = caseImplSingleRefNonContainedElement(implSingleRefNonContainedElement);
+				if (result == null) result = caseISingleRefNonContainedElement(implSingleRefNonContainedElement);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case model4Package.IMPL_MULTI_REF_NON_CONTAINER: {
+				ImplMultiRefNonContainer implMultiRefNonContainer = (ImplMultiRefNonContainer)theEObject;
+				T result = caseImplMultiRefNonContainer(implMultiRefNonContainer);
+				if (result == null) result = caseIMultiRefNonContainer(implMultiRefNonContainer);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case model4Package.IMPL_MULTI_REF_NON_CONTAINED_ELEMENT: {
+				ImplMultiRefNonContainedElement implMultiRefNonContainedElement = (ImplMultiRefNonContainedElement)theEObject;
+				T result = caseImplMultiRefNonContainedElement(implMultiRefNonContainedElement);
+				if (result == null) result = caseIMultiRefNonContainedElement(implMultiRefNonContainedElement);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case model4Package.IMPL_MULTI_REF_CONTAINER: {
+				ImplMultiRefContainer implMultiRefContainer = (ImplMultiRefContainer)theEObject;
+				T result = caseImplMultiRefContainer(implMultiRefContainer);
+				if (result == null) result = caseIMultiRefContainer(implMultiRefContainer);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case model4Package.IMPL_MULTI_REF_CONTAINED_ELEMENT: {
+				ImplMultiRefContainedElement implMultiRefContainedElement = (ImplMultiRefContainedElement)theEObject;
+				T result = caseImplMultiRefContainedElement(implMultiRefContainedElement);
+				if (result == null) result = caseIMultiRefContainedElement(implMultiRefContainedElement);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case model4Package.IMPL_SINGLE_REF_CONTAINER_NPL: {
+				ImplSingleRefContainerNPL implSingleRefContainerNPL = (ImplSingleRefContainerNPL)theEObject;
+				T result = caseImplSingleRefContainerNPL(implSingleRefContainerNPL);
+				if (result == null) result = caseISingleRefContainerNPL(implSingleRefContainerNPL);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case model4Package.IMPL_SINGLE_REF_NON_CONTAINER_NPL: {
+				ImplSingleRefNonContainerNPL implSingleRefNonContainerNPL = (ImplSingleRefNonContainerNPL)theEObject;
+				T result = caseImplSingleRefNonContainerNPL(implSingleRefNonContainerNPL);
+				if (result == null) result = caseISingleRefNonContainerNPL(implSingleRefNonContainerNPL);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case model4Package.IMPL_MULTI_REF_CONTAINER_NPL: {
+				ImplMultiRefContainerNPL implMultiRefContainerNPL = (ImplMultiRefContainerNPL)theEObject;
+				T result = caseImplMultiRefContainerNPL(implMultiRefContainerNPL);
+				if (result == null) result = caseIMultiRefContainerNPL(implMultiRefContainerNPL);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case model4Package.IMPL_MULTI_REF_NON_CONTAINER_NPL: {
+				ImplMultiRefNonContainerNPL implMultiRefNonContainerNPL = (ImplMultiRefNonContainerNPL)theEObject;
+				T result = caseImplMultiRefNonContainerNPL(implMultiRefNonContainerNPL);
+				if (result == null) result = caseIMultiRefNonContainerNPL(implMultiRefNonContainerNPL);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case model4Package.IMPL_CONTAINED_ELEMENT_NPL: {
+				ImplContainedElementNPL implContainedElementNPL = (ImplContainedElementNPL)theEObject;
+				T result = caseImplContainedElementNPL(implContainedElementNPL);
+				if (result == null) result = caseIContainedElementNoParentLink(implContainedElementNPL);
+				if (result == null) result = caseINamedElement(implContainedElementNPL);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			default: return defaultCase(theEObject);
+		}
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Ref Single Contained</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Ref Single Contained</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseRefSingleContained(RefSingleContained object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Single Contained Element</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Single Contained Element</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseSingleContainedElement(SingleContainedElement object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Ref Single Non Contained</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Ref Single Non Contained</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseRefSingleNonContained(RefSingleNonContained object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Single Non Contained Element</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Single Non Contained Element</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseSingleNonContainedElement(SingleNonContainedElement object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Ref Multi Contained</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Ref Multi Contained</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseRefMultiContained(RefMultiContained object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Multi Contained Element</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Multi Contained Element</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseMultiContainedElement(MultiContainedElement object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Ref Multi Non Contained</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Ref Multi Non Contained</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseRefMultiNonContained(RefMultiNonContained object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Multi Non Contained Element</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Multi Non Contained Element</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseMultiNonContainedElement(MultiNonContainedElement object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Ref Single Contained NPL</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Ref Single Contained NPL</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseRefSingleContainedNPL(RefSingleContainedNPL object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Ref Single Non Contained NPL</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Ref Single Non Contained NPL</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseRefSingleNonContainedNPL(RefSingleNonContainedNPL object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Ref Multi Contained NPL</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Ref Multi Contained NPL</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseRefMultiContainedNPL(RefMultiContainedNPL object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Ref Multi Non Contained NPL</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Ref Multi Non Contained NPL</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseRefMultiNonContainedNPL(RefMultiNonContainedNPL object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Contained Element No Opposite</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Contained Element No Opposite</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseContainedElementNoOpposite(ContainedElementNoOpposite object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Gen Ref Single Contained</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Gen Ref Single Contained</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseGenRefSingleContained(GenRefSingleContained object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Gen Ref Single Non Contained</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Gen Ref Single Non Contained</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseGenRefSingleNonContained(GenRefSingleNonContained object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Gen Ref Multi Contained</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Gen Ref Multi Contained</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseGenRefMultiContained(GenRefMultiContained object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Gen Ref Multi Non Contained</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Gen Ref Multi Non Contained</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseGenRefMultiNonContained(GenRefMultiNonContained object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Impl Single Ref Container</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Impl Single Ref Container</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseImplSingleRefContainer(ImplSingleRefContainer object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Impl Single Ref Contained Element</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Impl Single Ref Contained Element</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseImplSingleRefContainedElement(ImplSingleRefContainedElement object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Impl Single Ref Non Container</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Impl Single Ref Non Container</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseImplSingleRefNonContainer(ImplSingleRefNonContainer object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Impl Single Ref Non Contained Element</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Impl Single Ref Non Contained Element</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseImplSingleRefNonContainedElement(ImplSingleRefNonContainedElement object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Impl Multi Ref Non Container</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Impl Multi Ref Non Container</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseImplMultiRefNonContainer(ImplMultiRefNonContainer object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Impl Multi Ref Non Contained Element</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Impl Multi Ref Non Contained Element</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseImplMultiRefNonContainedElement(ImplMultiRefNonContainedElement object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Impl Multi Ref Container</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Impl Multi Ref Container</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseImplMultiRefContainer(ImplMultiRefContainer object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Impl Multi Ref Contained Element</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Impl Multi Ref Contained Element</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseImplMultiRefContainedElement(ImplMultiRefContainedElement object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Impl Single Ref Container NPL</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Impl Single Ref Container NPL</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseImplSingleRefContainerNPL(ImplSingleRefContainerNPL object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Impl Single Ref Non Container NPL</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Impl Single Ref Non Container NPL</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseImplSingleRefNonContainerNPL(ImplSingleRefNonContainerNPL object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Impl Multi Ref Container NPL</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Impl Multi Ref Container NPL</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseImplMultiRefContainerNPL(ImplMultiRefContainerNPL object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Impl Multi Ref Non Container NPL</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Impl Multi Ref Non Container NPL</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseImplMultiRefNonContainerNPL(ImplMultiRefNonContainerNPL object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Impl Contained Element NPL</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Impl Contained Element NPL</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseImplContainedElementNPL(ImplContainedElementNPL object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>ISingle Ref Container</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>ISingle Ref Container</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseISingleRefContainer(ISingleRefContainer object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>ISingle Ref Contained Element</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>ISingle Ref Contained Element</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseISingleRefContainedElement(ISingleRefContainedElement object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>ISingle Ref Non Container</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>ISingle Ref Non Container</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseISingleRefNonContainer(ISingleRefNonContainer object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>ISingle Ref Non Contained Element</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>ISingle Ref Non Contained Element</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseISingleRefNonContainedElement(ISingleRefNonContainedElement object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>IMulti Ref Non Container</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>IMulti Ref Non Container</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseIMultiRefNonContainer(IMultiRefNonContainer object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>IMulti Ref Non Contained Element</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>IMulti Ref Non Contained Element</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseIMultiRefNonContainedElement(IMultiRefNonContainedElement object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>IMulti Ref Container</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>IMulti Ref Container</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseIMultiRefContainer(IMultiRefContainer object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>IMulti Ref Contained Element</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>IMulti Ref Contained Element</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseIMultiRefContainedElement(IMultiRefContainedElement object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>ISingle Ref Container NPL</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>ISingle Ref Container NPL</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseISingleRefContainerNPL(ISingleRefContainerNPL object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>ISingle Ref Non Container NPL</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>ISingle Ref Non Container NPL</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseISingleRefNonContainerNPL(ISingleRefNonContainerNPL object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>IMulti Ref Container NPL</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>IMulti Ref Container NPL</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseIMultiRefContainerNPL(IMultiRefContainerNPL object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>IMulti Ref Non Container NPL</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>IMulti Ref Non Container NPL</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseIMultiRefNonContainerNPL(IMultiRefNonContainerNPL object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>IContained Element No Parent Link</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>IContained Element No Parent Link</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseIContainedElementNoParentLink(IContainedElementNoParentLink object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>INamed Element</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>INamed Element</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseINamedElement(INamedElement object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>EObject</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch, but this is the last case anyway.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>EObject</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject)
+	 * @generated
+	 */
+	public T defaultCase(EObject object) {
+		return null;
+	}
+
+} //model4Switch