[Releng] Add an m:n relationship to model1.ecore

14 files changed, 337 insertions, 35 deletions

diff --git a/plugins/org.eclipse.emf.cdo.tests.model1/model/model1.ecore b/plugins/org.eclipse.emf.cdo.tests.model1/model/model1.ecore
index fc6c469837..2352b09a8e 100644
--- a/plugins/org.eclipse.emf.cdo.tests.model1/model/model1.ecore
+++ b/plugins/org.eclipse.emf.cdo.tests.model1/model/model1.ecore
@@ -52,11 +52,15 @@
     <eStructuralFeatures xsi:type="ecore:EAttribute" name="date" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EDate"/>
     <eStructuralFeatures xsi:type="ecore:EReference" name="supplier" lowerBound="1"
         eType="#//Supplier" eOpposite="#//Supplier/purchaseOrders"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="salesOrders" upperBound="-1"
+        eType="#//SalesOrder" eOpposite="#//SalesOrder/purchaseOrders"/>
   </eClassifiers>
   <eClassifiers xsi:type="ecore:EClass" name="SalesOrder" eSuperTypes="#//Order">
     <eStructuralFeatures xsi:type="ecore:EAttribute" name="id" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EInt"/>
     <eStructuralFeatures xsi:type="ecore:EReference" name="customer" lowerBound="1"
         eType="#//Customer" eOpposite="#//Customer/salesOrders"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="purchaseOrders" upperBound="-1"
+        eType="#//PurchaseOrder" eOpposite="#//PurchaseOrder/salesOrders"/>
   </eClassifiers>
   <eClassifiers xsi:type="ecore:EClass" name="Category">
     <eStructuralFeatures xsi:type="ecore:EAttribute" name="name" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
diff --git a/plugins/org.eclipse.emf.cdo.tests.model1/model/model1.genmodel b/plugins/org.eclipse.emf.cdo.tests.model1/model/model1.genmodel
index 24eb5368c3..809b99d2a5 100644
--- a/plugins/org.eclipse.emf.cdo.tests.model1/model/model1.genmodel
+++ b/plugins/org.eclipse.emf.cdo.tests.model1/model/model1.genmodel
@@ -48,10 +48,12 @@
     <genClasses ecoreClass="model1.ecore#//PurchaseOrder">
       <genFeatures createChild="false" ecoreFeature="ecore:EAttribute model1.ecore#//PurchaseOrder/date"/>
       <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference model1.ecore#//PurchaseOrder/supplier"/>
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference model1.ecore#//PurchaseOrder/salesOrders"/>
     </genClasses>
     <genClasses ecoreClass="model1.ecore#//SalesOrder">
       <genFeatures createChild="false" ecoreFeature="ecore:EAttribute model1.ecore#//SalesOrder/id"/>
       <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference model1.ecore#//SalesOrder/customer"/>
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference model1.ecore#//SalesOrder/purchaseOrders"/>
     </genClasses>
     <genClasses ecoreClass="model1.ecore#//Category">
       <genFeatures createChild="false" ecoreFeature="ecore:EAttribute model1.ecore#//Category/name"/>
diff --git a/plugins/org.eclipse.emf.cdo.tests.model1/model/model1.legacy.genmodel b/plugins/org.eclipse.emf.cdo.tests.model1/model/model1.legacy.genmodel
index 3e2a768064..eb046542ae 100644
--- a/plugins/org.eclipse.emf.cdo.tests.model1/model/model1.legacy.genmodel
+++ b/plugins/org.eclipse.emf.cdo.tests.model1/model/model1.legacy.genmodel
@@ -46,10 +46,12 @@
     <genClasses ecoreClass="model1.ecore#//PurchaseOrder">
       <genFeatures createChild="false" ecoreFeature="ecore:EAttribute model1.ecore#//PurchaseOrder/date"/>
       <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference model1.ecore#//PurchaseOrder/supplier"/>
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference model1.ecore#//PurchaseOrder/salesOrders"/>
     </genClasses>
     <genClasses ecoreClass="model1.ecore#//SalesOrder">
       <genFeatures createChild="false" ecoreFeature="ecore:EAttribute model1.ecore#//SalesOrder/id"/>
       <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference model1.ecore#//SalesOrder/customer"/>
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference model1.ecore#//SalesOrder/purchaseOrders"/>
     </genClasses>
     <genClasses ecoreClass="model1.ecore#//Category">
       <genFeatures createChild="false" ecoreFeature="ecore:EAttribute model1.ecore#//Category/name"/>
diff --git a/plugins/org.eclipse.emf.cdo.tests.model1/plugin.xml b/plugins/org.eclipse.emf.cdo.tests.model1/plugin.xml
index 4b81a6128f..64f4f366c2 100644
--- a/plugins/org.eclipse.emf.cdo.tests.model1/plugin.xml
+++ b/plugins/org.eclipse.emf.cdo.tests.model1/plugin.xml
@@ -20,12 +20,4 @@
        genModel = "model/model1.genmodel"/> 
   </extension>
   
-
-   <extension point="org.eclipse.emf.ecore.generated_package">
-      <!-- @generated model1.legacy -->
-      <package
-            uri="http://www.eclipse.org/emf/CDO/tests/model1/1.0.0"
-            class="org.eclipse.emf.cdo.tests.model1.legacy.Model1Package"/>
-   </extension>
-
 </plugin>
diff --git a/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/Model1Package.java b/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/Model1Package.java
index 4f10a083bd..547205d004 100644
--- a/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/Model1Package.java
+++ b/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/Model1Package.java
@@ -457,13 +457,22 @@ public interface Model1Package extends EPackage
   int PURCHASE_ORDER__SUPPLIER = ORDER_FEATURE_COUNT + 1;
 
   /**
+   * The feature id for the '<em><b>Sales Orders</b></em>' reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int PURCHASE_ORDER__SALES_ORDERS = ORDER_FEATURE_COUNT + 2;
+
+  /**
    * The number of structural features of the '<em>Purchase Order</em>' class. <!-- begin-user-doc --> <!-- end-user-doc
    * -->
    *
    * @generated
    * @ordered
    */
-  int PURCHASE_ORDER_FEATURE_COUNT = ORDER_FEATURE_COUNT + 2;
+  int PURCHASE_ORDER_FEATURE_COUNT = ORDER_FEATURE_COUNT + 3;
 
   /**
    * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model1.impl.SalesOrderImpl <em>Sales Order</em>}' class.
@@ -500,13 +509,22 @@ public interface Model1Package extends EPackage
   int SALES_ORDER__CUSTOMER = ORDER_FEATURE_COUNT + 1;
 
   /**
+   * The feature id for the '<em><b>Purchase Orders</b></em>' reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int SALES_ORDER__PURCHASE_ORDERS = ORDER_FEATURE_COUNT + 2;
+
+  /**
    * The number of structural features of the '<em>Sales Order</em>' class. <!-- begin-user-doc --> <!-- end-user-doc
    * -->
    *
    * @generated
    * @ordered
    */
-  int SALES_ORDER_FEATURE_COUNT = ORDER_FEATURE_COUNT + 2;
+  int SALES_ORDER_FEATURE_COUNT = ORDER_FEATURE_COUNT + 3;
 
   /**
    * The feature id for the '<em><b>Name</b></em>' attribute.
@@ -788,12 +806,23 @@ public interface Model1Package extends EPackage
   EReference getPurchaseOrder_Supplier();
 
   /**
-   * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model1.OrderDetail <em>Order Detail</em>}'.
-   * <!-- begin-user-doc --> <!-- end-user-doc -->
-   * @return the meta object for class '<em>Order Detail</em>'.
-   * @see org.eclipse.emf.cdo.tests.model1.OrderDetail
+   * Returns the meta object for the reference list '{@link org.eclipse.emf.cdo.tests.model1.PurchaseOrder#getSalesOrders <em>Sales Orders</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the reference list '<em>Sales Orders</em>'.
+   * @see org.eclipse.emf.cdo.tests.model1.PurchaseOrder#getSalesOrders()
+   * @see #getPurchaseOrder()
    * @generated
    */
+  EReference getPurchaseOrder_SalesOrders();
+
+  /**
+  	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model1.OrderDetail <em>Order Detail</em>}'.
+  	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+  	 * @return the meta object for class '<em>Order Detail</em>'.
+  	 * @see org.eclipse.emf.cdo.tests.model1.OrderDetail
+  	 * @generated
+  	 */
   EClass getOrderDetail();
 
   /**
@@ -1139,11 +1168,22 @@ public interface Model1Package extends EPackage
   EReference getSalesOrder_Customer();
 
   /**
-   * 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.
+   * Returns the meta object for the reference list '{@link org.eclipse.emf.cdo.tests.model1.SalesOrder#getPurchaseOrders <em>Purchase Orders</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the reference list '<em>Purchase Orders</em>'.
+   * @see org.eclipse.emf.cdo.tests.model1.SalesOrder#getPurchaseOrders()
+   * @see #getSalesOrder()
    * @generated
    */
+  EReference getSalesOrder_PurchaseOrders();
+
+  /**
+  	 * 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
+  	 */
   Model1Factory getModel1Factory();
 
 } // Model1Package
diff --git a/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/PurchaseOrder.java b/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/PurchaseOrder.java
index 407248d845..66377dd35f 100644
--- a/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/PurchaseOrder.java
+++ b/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/PurchaseOrder.java
@@ -10,6 +10,8 @@
  */
 package org.eclipse.emf.cdo.tests.model1;
 
+import org.eclipse.emf.common.util.EList;
+
 import java.util.Date;
 
 /**
@@ -21,6 +23,7 @@ import java.util.Date;
  * <ul>
  *   <li>{@link org.eclipse.emf.cdo.tests.model1.PurchaseOrder#getDate <em>Date</em>}</li>
  *   <li>{@link org.eclipse.emf.cdo.tests.model1.PurchaseOrder#getSupplier <em>Supplier</em>}</li>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model1.PurchaseOrder#getSalesOrders <em>Sales Orders</em>}</li>
  * </ul>
  *
  * @see org.eclipse.emf.cdo.tests.model1.Model1Package#getPurchaseOrder()
@@ -81,4 +84,22 @@ public interface PurchaseOrder extends Order
    */
   void setSupplier(Supplier value);
 
+  /**
+   * Returns the value of the '<em><b>Sales Orders</b></em>' reference list.
+   * The list contents are of type {@link org.eclipse.emf.cdo.tests.model1.SalesOrder}.
+   * It is bidirectional and its opposite is '{@link org.eclipse.emf.cdo.tests.model1.SalesOrder#getPurchaseOrders <em>Purchase Orders</em>}'.
+   * <!-- begin-user-doc -->
+  	 * <p>
+  	 * If the meaning of the '<em>Sales Orders</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>Sales Orders</em>' reference list.
+   * @see org.eclipse.emf.cdo.tests.model1.Model1Package#getPurchaseOrder_SalesOrders()
+   * @see org.eclipse.emf.cdo.tests.model1.SalesOrder#getPurchaseOrders
+   * @model opposite="purchaseOrders"
+   * @generated
+   */
+  EList<SalesOrder> getSalesOrders();
+
 } // PurchaseOrder
diff --git a/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/SalesOrder.java b/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/SalesOrder.java
index 0400f7d2fc..1942abcfb2 100644
--- a/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/SalesOrder.java
+++ b/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/SalesOrder.java
@@ -10,6 +10,8 @@
  */
 package org.eclipse.emf.cdo.tests.model1;
 
+import org.eclipse.emf.common.util.EList;
+
 /**
  * <!-- begin-user-doc --> A representation of the model object '<em><b>Sales Order</b></em>'. <!-- end-user-doc -->
  *
@@ -19,6 +21,7 @@ package org.eclipse.emf.cdo.tests.model1;
  * <ul>
  *   <li>{@link org.eclipse.emf.cdo.tests.model1.SalesOrder#getId <em>Id</em>}</li>
  *   <li>{@link org.eclipse.emf.cdo.tests.model1.SalesOrder#getCustomer <em>Customer</em>}</li>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model1.SalesOrder#getPurchaseOrders <em>Purchase Orders</em>}</li>
  * </ul>
  *
  * @see org.eclipse.emf.cdo.tests.model1.Model1Package#getSalesOrder()
@@ -80,4 +83,22 @@ public interface SalesOrder extends Order
    */
   void setCustomer(Customer value);
 
+  /**
+   * Returns the value of the '<em><b>Purchase Orders</b></em>' reference list.
+   * The list contents are of type {@link org.eclipse.emf.cdo.tests.model1.PurchaseOrder}.
+   * It is bidirectional and its opposite is '{@link org.eclipse.emf.cdo.tests.model1.PurchaseOrder#getSalesOrders <em>Sales Orders</em>}'.
+   * <!-- begin-user-doc -->
+  	 * <p>
+  	 * If the meaning of the '<em>Purchase Orders</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>Purchase Orders</em>' reference list.
+   * @see org.eclipse.emf.cdo.tests.model1.Model1Package#getSalesOrder_PurchaseOrders()
+   * @see org.eclipse.emf.cdo.tests.model1.PurchaseOrder#getSalesOrders
+   * @model opposite="salesOrders"
+   * @generated
+   */
+  EList<PurchaseOrder> getPurchaseOrders();
+
 } // SalesOrder
diff --git a/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/impl/Model1PackageImpl.java b/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/impl/Model1PackageImpl.java
index 546a604bb1..6631f50d6e 100644
--- a/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/impl/Model1PackageImpl.java
+++ b/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/impl/Model1PackageImpl.java
@@ -271,9 +271,19 @@ public class Model1PackageImpl extends EPackageImpl implements Model1Package
   }
 
   /**
-   * <!-- begin-user-doc --> <!-- end-user-doc -->
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
    * @generated
    */
+  public EReference getPurchaseOrder_SalesOrders()
+  {
+    return (EReference)purchaseOrderEClass.getEStructuralFeatures().get(2);
+  }
+
+  /**
+  	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+  	 * @generated
+  	 */
   public EClass getOrderDetail()
   {
     return orderDetailEClass;
@@ -578,9 +588,19 @@ public class Model1PackageImpl extends EPackageImpl implements Model1Package
   }
 
   /**
-   * <!-- begin-user-doc --> <!-- end-user-doc -->
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
    * @generated
    */
+  public EReference getSalesOrder_PurchaseOrders()
+  {
+    return (EReference)salesOrderEClass.getEStructuralFeatures().get(2);
+  }
+
+  /**
+  	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+  	 * @generated
+  	 */
   public Model1Factory getModel1Factory()
   {
     return (Model1Factory)getEFactoryInstance();
@@ -638,10 +658,12 @@ public class Model1PackageImpl extends EPackageImpl implements Model1Package
     purchaseOrderEClass = createEClass(PURCHASE_ORDER);
     createEAttribute(purchaseOrderEClass, PURCHASE_ORDER__DATE);
     createEReference(purchaseOrderEClass, PURCHASE_ORDER__SUPPLIER);
+    createEReference(purchaseOrderEClass, PURCHASE_ORDER__SALES_ORDERS);
 
     salesOrderEClass = createEClass(SALES_ORDER);
     createEAttribute(salesOrderEClass, SALES_ORDER__ID);
     createEReference(salesOrderEClass, SALES_ORDER__CUSTOMER);
+    createEReference(salesOrderEClass, SALES_ORDER__PURCHASE_ORDERS);
 
     categoryEClass = createEClass(CATEGORY);
     createEAttribute(categoryEClass, CATEGORY__NAME);
@@ -769,6 +791,9 @@ public class Model1PackageImpl extends EPackageImpl implements Model1Package
     initEReference(getPurchaseOrder_Supplier(), getSupplier(), getSupplier_PurchaseOrders(), "supplier", null, 1, 1,
         PurchaseOrder.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES,
         !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getPurchaseOrder_SalesOrders(), getSalesOrder(), getSalesOrder_PurchaseOrders(), "salesOrders", null,
+        0, -1, PurchaseOrder.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES,
+        !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
 
     initEClass(salesOrderEClass, SalesOrder.class, "SalesOrder", !IS_ABSTRACT, !IS_INTERFACE,
         IS_GENERATED_INSTANCE_CLASS);
@@ -777,6 +802,9 @@ public class Model1PackageImpl extends EPackageImpl implements Model1Package
     initEReference(getSalesOrder_Customer(), getCustomer(), getCustomer_SalesOrders(), "customer", null, 1, 1,
         SalesOrder.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE,
         IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getSalesOrder_PurchaseOrders(), getPurchaseOrder(), getPurchaseOrder_SalesOrders(), "purchaseOrders",
+        null, 0, -1, SalesOrder.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES,
+        !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
 
     initEClass(categoryEClass, Category.class, "Category", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
     initEAttribute(getCategory_Name(), ecorePackage.getEString(), "name", null, 0, 1, Category.class, !IS_TRANSIENT,
diff --git a/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/impl/PurchaseOrderImpl.java b/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/impl/PurchaseOrderImpl.java
index 7a4b96429f..742b2c6a88 100644
--- a/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/impl/PurchaseOrderImpl.java
+++ b/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/impl/PurchaseOrderImpl.java
@@ -12,8 +12,10 @@ package org.eclipse.emf.cdo.tests.model1.impl;
 
 import org.eclipse.emf.cdo.tests.model1.Model1Package;
 import org.eclipse.emf.cdo.tests.model1.PurchaseOrder;
+import org.eclipse.emf.cdo.tests.model1.SalesOrder;
 import org.eclipse.emf.cdo.tests.model1.Supplier;
 
+import org.eclipse.emf.common.util.EList;
 import org.eclipse.emf.ecore.EClass;
 
 import java.util.Date;
@@ -26,6 +28,7 @@ import java.util.Date;
  * <ul>
  *   <li>{@link org.eclipse.emf.cdo.tests.model1.impl.PurchaseOrderImpl#getDate <em>Date</em>}</li>
  *   <li>{@link org.eclipse.emf.cdo.tests.model1.impl.PurchaseOrderImpl#getSupplier <em>Supplier</em>}</li>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model1.impl.PurchaseOrderImpl#getSalesOrders <em>Sales Orders</em>}</li>
  * </ul>
  *
  * @generated
@@ -87,4 +90,15 @@ public class PurchaseOrderImpl extends OrderImpl implements PurchaseOrder
     eSet(Model1Package.eINSTANCE.getPurchaseOrder_Supplier(), newSupplier);
   }
 
+  /**
+  	 * <!-- begin-user-doc -->
+  	 * <!-- end-user-doc -->
+  	 * @generated
+  	 */
+  @SuppressWarnings("unchecked")
+  public EList<SalesOrder> getSalesOrders()
+  {
+    return (EList<SalesOrder>)eGet(Model1Package.eINSTANCE.getPurchaseOrder_SalesOrders(), true);
+  }
+
 } // PurchaseOrderImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/impl/SalesOrderImpl.java b/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/impl/SalesOrderImpl.java
index 9e9edfe076..71229eaf19 100644
--- a/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/impl/SalesOrderImpl.java
+++ b/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/impl/SalesOrderImpl.java
@@ -12,8 +12,10 @@ package org.eclipse.emf.cdo.tests.model1.impl;
 
 import org.eclipse.emf.cdo.tests.model1.Customer;
 import org.eclipse.emf.cdo.tests.model1.Model1Package;
+import org.eclipse.emf.cdo.tests.model1.PurchaseOrder;
 import org.eclipse.emf.cdo.tests.model1.SalesOrder;
 
+import org.eclipse.emf.common.util.EList;
 import org.eclipse.emf.ecore.EClass;
 
 /**
@@ -24,6 +26,7 @@ import org.eclipse.emf.ecore.EClass;
  * <ul>
  *   <li>{@link org.eclipse.emf.cdo.tests.model1.impl.SalesOrderImpl#getId <em>Id</em>}</li>
  *   <li>{@link org.eclipse.emf.cdo.tests.model1.impl.SalesOrderImpl#getCustomer <em>Customer</em>}</li>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model1.impl.SalesOrderImpl#getPurchaseOrders <em>Purchase Orders</em>}</li>
  * </ul>
  *
  * @generated
@@ -85,4 +88,15 @@ public class SalesOrderImpl extends OrderImpl implements SalesOrder
     eSet(Model1Package.eINSTANCE.getSalesOrder_Customer(), newCustomer);
   }
 
+  /**
+  	 * <!-- begin-user-doc -->
+  	 * <!-- end-user-doc -->
+  	 * @generated
+  	 */
+  @SuppressWarnings("unchecked")
+  public EList<PurchaseOrder> getPurchaseOrders()
+  {
+    return (EList<PurchaseOrder>)eGet(Model1Package.eINSTANCE.getSalesOrder_PurchaseOrders(), true);
+  }
+
 } // SalesOrderImpl
diff --git a/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/legacy/Model1Package.java b/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/legacy/Model1Package.java
index f6588589f0..4052da0c9d 100644
--- a/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/legacy/Model1Package.java
+++ b/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/legacy/Model1Package.java
@@ -406,13 +406,22 @@ public interface Model1Package extends EPackage, org.eclipse.emf.cdo.tests.model
   int PURCHASE_ORDER__SUPPLIER = ORDER_FEATURE_COUNT + 1;
 
   /**
+   * The feature id for the '<em><b>Sales Orders</b></em>' reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int PURCHASE_ORDER__SALES_ORDERS = ORDER_FEATURE_COUNT + 2;
+
+  /**
    * The number of structural features of the '<em>Purchase Order</em>' class. <!-- begin-user-doc --> <!-- end-user-doc
    * -->
    *
    * @generated
    * @ordered
    */
-  int PURCHASE_ORDER_FEATURE_COUNT = ORDER_FEATURE_COUNT + 2;
+  int PURCHASE_ORDER_FEATURE_COUNT = ORDER_FEATURE_COUNT + 3;
 
   /**
    * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model1.legacy.impl.SalesOrderImpl <em>Sales Order</em>}' class.
@@ -449,13 +458,22 @@ public interface Model1Package extends EPackage, org.eclipse.emf.cdo.tests.model
   int SALES_ORDER__CUSTOMER = ORDER_FEATURE_COUNT + 1;
 
   /**
+   * The feature id for the '<em><b>Purchase Orders</b></em>' reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int SALES_ORDER__PURCHASE_ORDERS = ORDER_FEATURE_COUNT + 2;
+
+  /**
    * The number of structural features of the '<em>Sales Order</em>' class. <!-- begin-user-doc --> <!-- end-user-doc
    * -->
    *
    * @generated
    * @ordered
    */
-  int SALES_ORDER_FEATURE_COUNT = ORDER_FEATURE_COUNT + 2;
+  int SALES_ORDER_FEATURE_COUNT = ORDER_FEATURE_COUNT + 3;
 
   /**
    * The meta object id for the '{@link org.eclipse.emf.cdo.tests.model1.legacy.impl.CategoryImpl <em>Category</em>}' class.
@@ -945,12 +963,23 @@ public interface Model1Package extends EPackage, org.eclipse.emf.cdo.tests.model
   EReference getPurchaseOrder_Supplier();
 
   /**
-   * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model1.SalesOrder <em>Sales Order</em>}'.
-   * <!-- begin-user-doc --> <!-- end-user-doc -->
-   * @return the meta object for class '<em>Sales Order</em>'.
-   * @see org.eclipse.emf.cdo.tests.model1.SalesOrder
+   * Returns the meta object for the reference list '{@link org.eclipse.emf.cdo.tests.model1.PurchaseOrder#getSalesOrders <em>Sales Orders</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the reference list '<em>Sales Orders</em>'.
+   * @see org.eclipse.emf.cdo.tests.model1.PurchaseOrder#getSalesOrders()
+   * @see #getPurchaseOrder()
    * @generated
    */
+  EReference getPurchaseOrder_SalesOrders();
+
+  /**
+  	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model1.SalesOrder <em>Sales Order</em>}'.
+  	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+  	 * @return the meta object for class '<em>Sales Order</em>'.
+  	 * @see org.eclipse.emf.cdo.tests.model1.SalesOrder
+  	 * @generated
+  	 */
   EClass getSalesOrder();
 
   /**
@@ -974,12 +1003,23 @@ public interface Model1Package extends EPackage, org.eclipse.emf.cdo.tests.model
   EReference getSalesOrder_Customer();
 
   /**
-   * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model1.Category <em>Category</em>}'.
-   * <!-- begin-user-doc --> <!-- end-user-doc -->
-   * @return the meta object for class '<em>Category</em>'.
-   * @see org.eclipse.emf.cdo.tests.model1.Category
+   * Returns the meta object for the reference list '{@link org.eclipse.emf.cdo.tests.model1.SalesOrder#getPurchaseOrders <em>Purchase Orders</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the reference list '<em>Purchase Orders</em>'.
+   * @see org.eclipse.emf.cdo.tests.model1.SalesOrder#getPurchaseOrders()
+   * @see #getSalesOrder()
    * @generated
    */
+  EReference getSalesOrder_PurchaseOrders();
+
+  /**
+  	 * Returns the meta object for class '{@link org.eclipse.emf.cdo.tests.model1.Category <em>Category</em>}'.
+  	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+  	 * @return the meta object for class '<em>Category</em>'.
+  	 * @see org.eclipse.emf.cdo.tests.model1.Category
+  	 * @generated
+  	 */
   EClass getCategory();
 
   /**
diff --git a/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/legacy/impl/Model1PackageImpl.java b/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/legacy/impl/Model1PackageImpl.java
index e64f9b41fe..f6dc40ed18 100644
--- a/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/legacy/impl/Model1PackageImpl.java
+++ b/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/legacy/impl/Model1PackageImpl.java
@@ -409,9 +409,19 @@ public class Model1PackageImpl extends EPackageImpl implements Model1Package
   }
 
   /**
-   * <!-- begin-user-doc --> <!-- end-user-doc -->
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
    * @generated
    */
+  public EReference getPurchaseOrder_SalesOrders()
+  {
+    return (EReference)purchaseOrderEClass.getEStructuralFeatures().get(2);
+  }
+
+  /**
+  	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+  	 * @generated
+  	 */
   public EClass getSalesOrder()
   {
     return salesOrderEClass;
@@ -436,9 +446,19 @@ public class Model1PackageImpl extends EPackageImpl implements Model1Package
   }
 
   /**
-   * <!-- begin-user-doc --> <!-- end-user-doc -->
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
    * @generated
    */
+  public EReference getSalesOrder_PurchaseOrders()
+  {
+    return (EReference)salesOrderEClass.getEStructuralFeatures().get(2);
+  }
+
+  /**
+  	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+  	 * @generated
+  	 */
   public EClass getCategory()
   {
     return categoryEClass;
@@ -641,10 +661,12 @@ public class Model1PackageImpl extends EPackageImpl implements Model1Package
     purchaseOrderEClass = createEClass(PURCHASE_ORDER);
     createEAttribute(purchaseOrderEClass, PURCHASE_ORDER__DATE);
     createEReference(purchaseOrderEClass, PURCHASE_ORDER__SUPPLIER);
+    createEReference(purchaseOrderEClass, PURCHASE_ORDER__SALES_ORDERS);
 
     salesOrderEClass = createEClass(SALES_ORDER);
     createEAttribute(salesOrderEClass, SALES_ORDER__ID);
     createEReference(salesOrderEClass, SALES_ORDER__CUSTOMER);
+    createEReference(salesOrderEClass, SALES_ORDER__PURCHASE_ORDERS);
 
     categoryEClass = createEClass(CATEGORY);
     createEAttribute(categoryEClass, CATEGORY__NAME);
@@ -772,6 +794,9 @@ public class Model1PackageImpl extends EPackageImpl implements Model1Package
     initEReference(getPurchaseOrder_Supplier(), getSupplier(), getSupplier_PurchaseOrders(), "supplier", null, 1, 1,
         PurchaseOrder.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES,
         !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getPurchaseOrder_SalesOrders(), getSalesOrder(), getSalesOrder_PurchaseOrders(), "salesOrders", null,
+        0, -1, PurchaseOrder.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES,
+        !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
 
     initEClass(salesOrderEClass, SalesOrder.class, "SalesOrder", !IS_ABSTRACT, !IS_INTERFACE,
         IS_GENERATED_INSTANCE_CLASS);
@@ -780,6 +805,9 @@ public class Model1PackageImpl extends EPackageImpl implements Model1Package
     initEReference(getSalesOrder_Customer(), getCustomer(), getCustomer_SalesOrders(), "customer", null, 1, 1,
         SalesOrder.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE,
         IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getSalesOrder_PurchaseOrders(), getPurchaseOrder(), getPurchaseOrder_SalesOrders(), "purchaseOrders",
+        null, 0, -1, SalesOrder.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES,
+        !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
 
     initEClass(categoryEClass, Category.class, "Category", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
     initEAttribute(getCategory_Name(), ecorePackage.getEString(), "name", null, 0, 1, Category.class, !IS_TRANSIENT,
diff --git a/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/legacy/impl/PurchaseOrderImpl.java b/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/legacy/impl/PurchaseOrderImpl.java
index 0573d58756..0570eba5b0 100644
--- a/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/legacy/impl/PurchaseOrderImpl.java
+++ b/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/legacy/impl/PurchaseOrderImpl.java
@@ -11,15 +11,20 @@
 package org.eclipse.emf.cdo.tests.model1.legacy.impl;
 
 import org.eclipse.emf.cdo.tests.model1.PurchaseOrder;
+import org.eclipse.emf.cdo.tests.model1.SalesOrder;
 import org.eclipse.emf.cdo.tests.model1.Supplier;
 import org.eclipse.emf.cdo.tests.model1.legacy.Model1Package;
 
 import org.eclipse.emf.common.notify.Notification;
 import org.eclipse.emf.common.notify.NotificationChain;
+import org.eclipse.emf.common.util.EList;
 import org.eclipse.emf.ecore.EClass;
 import org.eclipse.emf.ecore.InternalEObject;
 import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.util.EObjectWithInverseResolvingEList;
+import org.eclipse.emf.ecore.util.InternalEList;
 
+import java.util.Collection;
 import java.util.Date;
 
 /**
@@ -57,9 +62,19 @@ public class PurchaseOrderImpl extends OrderImpl implements PurchaseOrder
   protected Supplier supplier;
 
   /**
-   * <!-- begin-user-doc --> <!-- end-user-doc -->
+   * The cached value of the '{@link #getSalesOrders() <em>Sales Orders</em>}' reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getSalesOrders()
    * @generated
+   * @ordered
    */
+  protected EList<SalesOrder> salesOrders;
+
+  /**
+  	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+  	 * @generated
+  	 */
   protected PurchaseOrderImpl()
   {
     super();
@@ -186,9 +201,25 @@ public class PurchaseOrderImpl extends OrderImpl implements PurchaseOrder
   }
 
   /**
-   * <!-- begin-user-doc --> <!-- end-user-doc -->
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
    * @generated
    */
+  public EList<SalesOrder> getSalesOrders()
+  {
+    if (salesOrders == null)
+    {
+      salesOrders = new EObjectWithInverseResolvingEList.ManyInverse<SalesOrder>(SalesOrder.class, this,
+          Model1Package.PURCHASE_ORDER__SALES_ORDERS, Model1Package.SALES_ORDER__PURCHASE_ORDERS);
+    }
+    return salesOrders;
+  }
+
+  /**
+  	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+  	 * @generated
+  	 */
+  @SuppressWarnings("unchecked")
   @Override
   public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs)
   {
@@ -201,6 +232,8 @@ public class PurchaseOrderImpl extends OrderImpl implements PurchaseOrder
             msgs);
       }
       return basicSetSupplier((Supplier)otherEnd, msgs);
+    case Model1Package.PURCHASE_ORDER__SALES_ORDERS:
+      return ((InternalEList<InternalEObject>)(InternalEList<?>)getSalesOrders()).basicAdd(otherEnd, msgs);
     }
     return super.eInverseAdd(otherEnd, featureID, msgs);
   }
@@ -216,6 +249,8 @@ public class PurchaseOrderImpl extends OrderImpl implements PurchaseOrder
     {
     case Model1Package.PURCHASE_ORDER__SUPPLIER:
       return basicSetSupplier(null, msgs);
+    case Model1Package.PURCHASE_ORDER__SALES_ORDERS:
+      return ((InternalEList<?>)getSalesOrders()).basicRemove(otherEnd, msgs);
     }
     return super.eInverseRemove(otherEnd, featureID, msgs);
   }
@@ -237,6 +272,8 @@ public class PurchaseOrderImpl extends OrderImpl implements PurchaseOrder
         return getSupplier();
       }
       return basicGetSupplier();
+    case Model1Package.PURCHASE_ORDER__SALES_ORDERS:
+      return getSalesOrders();
     }
     return super.eGet(featureID, resolve, coreType);
   }
@@ -245,6 +282,7 @@ public class PurchaseOrderImpl extends OrderImpl implements PurchaseOrder
    * <!-- begin-user-doc --> <!-- end-user-doc -->
    * @generated
    */
+  @SuppressWarnings("unchecked")
   @Override
   public void eSet(int featureID, Object newValue)
   {
@@ -256,6 +294,10 @@ public class PurchaseOrderImpl extends OrderImpl implements PurchaseOrder
     case Model1Package.PURCHASE_ORDER__SUPPLIER:
       setSupplier((Supplier)newValue);
       return;
+    case Model1Package.PURCHASE_ORDER__SALES_ORDERS:
+      getSalesOrders().clear();
+      getSalesOrders().addAll((Collection<? extends SalesOrder>)newValue);
+      return;
     }
     super.eSet(featureID, newValue);
   }
@@ -275,6 +317,9 @@ public class PurchaseOrderImpl extends OrderImpl implements PurchaseOrder
     case Model1Package.PURCHASE_ORDER__SUPPLIER:
       setSupplier((Supplier)null);
       return;
+    case Model1Package.PURCHASE_ORDER__SALES_ORDERS:
+      getSalesOrders().clear();
+      return;
     }
     super.eUnset(featureID);
   }
@@ -292,6 +337,8 @@ public class PurchaseOrderImpl extends OrderImpl implements PurchaseOrder
       return DATE_EDEFAULT == null ? date != null : !DATE_EDEFAULT.equals(date);
     case Model1Package.PURCHASE_ORDER__SUPPLIER:
       return supplier != null;
+    case Model1Package.PURCHASE_ORDER__SALES_ORDERS:
+      return salesOrders != null && !salesOrders.isEmpty();
     }
     return super.eIsSet(featureID);
   }
diff --git a/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/legacy/impl/SalesOrderImpl.java b/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/legacy/impl/SalesOrderImpl.java
index 96a4b139b2..25a7c4df0b 100644
--- a/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/legacy/impl/SalesOrderImpl.java
+++ b/plugins/org.eclipse.emf.cdo.tests.model1/src/org/eclipse/emf/cdo/tests/model1/legacy/impl/SalesOrderImpl.java
@@ -11,14 +11,20 @@
 package org.eclipse.emf.cdo.tests.model1.legacy.impl;
 
 import org.eclipse.emf.cdo.tests.model1.Customer;
+import org.eclipse.emf.cdo.tests.model1.PurchaseOrder;
 import org.eclipse.emf.cdo.tests.model1.SalesOrder;
 import org.eclipse.emf.cdo.tests.model1.legacy.Model1Package;
 
 import org.eclipse.emf.common.notify.Notification;
 import org.eclipse.emf.common.notify.NotificationChain;
+import org.eclipse.emf.common.util.EList;
 import org.eclipse.emf.ecore.EClass;
 import org.eclipse.emf.ecore.InternalEObject;
 import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.util.EObjectWithInverseResolvingEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+
+import java.util.Collection;
 
 /**
  * <!-- begin-user-doc --> An implementation of the model object '<em><b>Sales Order</b></em>'. <!-- end-user-doc -->
@@ -28,6 +34,7 @@ import org.eclipse.emf.ecore.impl.ENotificationImpl;
  * <ul>
  *   <li>{@link org.eclipse.emf.cdo.tests.model1.legacy.impl.SalesOrderImpl#getId <em>Id</em>}</li>
  *   <li>{@link org.eclipse.emf.cdo.tests.model1.legacy.impl.SalesOrderImpl#getCustomer <em>Customer</em>}</li>
+ *   <li>{@link org.eclipse.emf.cdo.tests.model1.legacy.impl.SalesOrderImpl#getPurchaseOrders <em>Purchase Orders</em>}</li>
  * </ul>
  *
  * @generated
@@ -63,9 +70,19 @@ public class SalesOrderImpl extends OrderImpl implements SalesOrder
   protected Customer customer;
 
   /**
-   * <!-- begin-user-doc --> <!-- end-user-doc -->
+   * The cached value of the '{@link #getPurchaseOrders() <em>Purchase Orders</em>}' reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getPurchaseOrders()
    * @generated
+   * @ordered
    */
+  protected EList<PurchaseOrder> purchaseOrders;
+
+  /**
+  	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+  	 * @generated
+  	 */
   protected SalesOrderImpl()
   {
     super();
@@ -192,9 +209,25 @@ public class SalesOrderImpl extends OrderImpl implements SalesOrder
   }
 
   /**
-   * <!-- begin-user-doc --> <!-- end-user-doc -->
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
    * @generated
    */
+  public EList<PurchaseOrder> getPurchaseOrders()
+  {
+    if (purchaseOrders == null)
+    {
+      purchaseOrders = new EObjectWithInverseResolvingEList.ManyInverse<PurchaseOrder>(PurchaseOrder.class, this,
+          Model1Package.SALES_ORDER__PURCHASE_ORDERS, Model1Package.PURCHASE_ORDER__SALES_ORDERS);
+    }
+    return purchaseOrders;
+  }
+
+  /**
+  	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+  	 * @generated
+  	 */
+  @SuppressWarnings("unchecked")
   @Override
   public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs)
   {
@@ -207,6 +240,8 @@ public class SalesOrderImpl extends OrderImpl implements SalesOrder
             msgs);
       }
       return basicSetCustomer((Customer)otherEnd, msgs);
+    case Model1Package.SALES_ORDER__PURCHASE_ORDERS:
+      return ((InternalEList<InternalEObject>)(InternalEList<?>)getPurchaseOrders()).basicAdd(otherEnd, msgs);
     }
     return super.eInverseAdd(otherEnd, featureID, msgs);
   }
@@ -222,6 +257,8 @@ public class SalesOrderImpl extends OrderImpl implements SalesOrder
     {
     case Model1Package.SALES_ORDER__CUSTOMER:
       return basicSetCustomer(null, msgs);
+    case Model1Package.SALES_ORDER__PURCHASE_ORDERS:
+      return ((InternalEList<?>)getPurchaseOrders()).basicRemove(otherEnd, msgs);
     }
     return super.eInverseRemove(otherEnd, featureID, msgs);
   }
@@ -243,6 +280,8 @@ public class SalesOrderImpl extends OrderImpl implements SalesOrder
         return getCustomer();
       }
       return basicGetCustomer();
+    case Model1Package.SALES_ORDER__PURCHASE_ORDERS:
+      return getPurchaseOrders();
     }
     return super.eGet(featureID, resolve, coreType);
   }
@@ -251,6 +290,7 @@ public class SalesOrderImpl extends OrderImpl implements SalesOrder
    * <!-- begin-user-doc --> <!-- end-user-doc -->
    * @generated
    */
+  @SuppressWarnings("unchecked")
   @Override
   public void eSet(int featureID, Object newValue)
   {
@@ -262,6 +302,10 @@ public class SalesOrderImpl extends OrderImpl implements SalesOrder
     case Model1Package.SALES_ORDER__CUSTOMER:
       setCustomer((Customer)newValue);
       return;
+    case Model1Package.SALES_ORDER__PURCHASE_ORDERS:
+      getPurchaseOrders().clear();
+      getPurchaseOrders().addAll((Collection<? extends PurchaseOrder>)newValue);
+      return;
     }
     super.eSet(featureID, newValue);
   }
@@ -281,6 +325,9 @@ public class SalesOrderImpl extends OrderImpl implements SalesOrder
     case Model1Package.SALES_ORDER__CUSTOMER:
       setCustomer((Customer)null);
       return;
+    case Model1Package.SALES_ORDER__PURCHASE_ORDERS:
+      getPurchaseOrders().clear();
+      return;
     }
     super.eUnset(featureID);
   }
@@ -298,6 +345,8 @@ public class SalesOrderImpl extends OrderImpl implements SalesOrder
       return id != ID_EDEFAULT;
     case Model1Package.SALES_ORDER__CUSTOMER:
       return customer != null;
+    case Model1Package.SALES_ORDER__PURCHASE_ORDERS:
+      return purchaseOrders != null && !purchaseOrders.isEmpty();
     }
     return super.eIsSet(featureID);
   }