324327: Added model versioning supportrefs/changes/59/8459/5

This change provides generic support for R4E and other clients that
need to provide generic versioning of model components.

Change-Id: I06fb43fcfd354a31f1b381a65191542f22d42851
Task-Url: https://bugs.eclipse.org/bugs/show_bug.cgi?id=389457

5 files changed, 189 insertions, 0 deletions

diff --git a/org.eclipse.mylyn.reviews.core/model/reviews.ecore b/org.eclipse.mylyn.reviews.core/model/reviews.ecore
index 658fb7a..46314f5 100644
--- a/org.eclipse.mylyn.reviews.core/model/reviews.ecore
+++ b/org.eclipse.mylyn.reviews.core/model/reviews.ecore
@@ -103,4 +103,8 @@
     <eStructuralFeatures xsi:type="ecore:EAttribute" name="revision" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
     <eStructuralFeatures xsi:type="ecore:EAttribute" name="content" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
   </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="ModelVersioning" abstract="true" interface="true">
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="fragmentVersion" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"
+        defaultValueLiteral="1.0.0"/>
+  </eClassifiers>
 </ecore:EPackage>
diff --git a/org.eclipse.mylyn.reviews.core/src/org/eclipse/mylyn/reviews/core/model/IModelVersioning.java b/org.eclipse.mylyn.reviews.core/src/org/eclipse/mylyn/reviews/core/model/IModelVersioning.java
new file mode 100644
index 0000000..f7d588b
--- a/dev/null
+++ b/org.eclipse.mylyn.reviews.core/src/org/eclipse/mylyn/reviews/core/model/IModelVersioning.java
@@ -0,0 +1,55 @@
+/**
+ * Copyright (c) 2011 Tasktop Technologies and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * Contributors:
+ *     Tasktop Technologies - initial API and implementation
+ */
+package org.eclipse.mylyn.reviews.core.model;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Model Versioning</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.mylyn.reviews.core.model.IModelVersioning#getFragmentVersion <em>Fragment Version</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public interface IModelVersioning extends EObject {
+	/**
+	 * Returns the value of the '<em><b>Fragment Version</b></em>' attribute.
+	 * The default value is <code>"1.0.0"</code>.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Fragment Version</em>' attribute isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Fragment Version</em>' attribute.
+	 * @see #setFragmentVersion(String)
+	 * @generated
+	 */
+	String getFragmentVersion();
+
+	/**
+	 * Sets the value of the '{@link org.eclipse.mylyn.reviews.core.model.IModelVersioning#getFragmentVersion <em>Fragment Version</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Fragment Version</em>' attribute.
+	 * @see #getFragmentVersion()
+	 * @generated
+	 */
+	void setFragmentVersion(String value);
+
+} // IModelVersioning
diff --git a/org.eclipse.mylyn.reviews.core/src/org/eclipse/mylyn/reviews/internal/core/model/ReviewsAdapterFactory.java b/org.eclipse.mylyn.reviews.core/src/org/eclipse/mylyn/reviews/internal/core/model/ReviewsAdapterFactory.java
index fc92efd..31c1098 100644
--- a/org.eclipse.mylyn.reviews.core/src/org/eclipse/mylyn/reviews/internal/core/model/ReviewsAdapterFactory.java
+++ b/org.eclipse.mylyn.reviews.core/src/org/eclipse/mylyn/reviews/internal/core/model/ReviewsAdapterFactory.java
@@ -155,6 +155,11 @@ public class ReviewsAdapterFactory extends AdapterFactoryImpl {
 		}
 
 		@Override
+		public Adapter caseModelVersioning(IModelVersioning object) {
+			return createModelVersioningAdapter();
+		}
+
+		@Override
 		public Adapter defaultCase(EObject object) {
 			return createEObjectAdapter();
 		}
@@ -398,6 +403,20 @@ public class ReviewsAdapterFactory extends AdapterFactoryImpl {
 	}
 
 	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.mylyn.reviews.core.model.IModelVersioning <em>Model Versioning</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.mylyn.reviews.core.model.IModelVersioning
+	 * @generated
+	 */
+	public Adapter createModelVersioningAdapter() {
+		return null;
+	}
+
+	/**
 	 * Creates a new adapter for the default case.
 	 * <!-- begin-user-doc -->
 	 * This default implementation returns null.
diff --git a/org.eclipse.mylyn.reviews.core/src/org/eclipse/mylyn/reviews/internal/core/model/ReviewsPackage.java b/org.eclipse.mylyn.reviews.core/src/org/eclipse/mylyn/reviews/internal/core/model/ReviewsPackage.java
index a895292..0602b29 100644
--- a/org.eclipse.mylyn.reviews.core/src/org/eclipse/mylyn/reviews/internal/core/model/ReviewsPackage.java
+++ b/org.eclipse.mylyn.reviews.core/src/org/eclipse/mylyn/reviews/internal/core/model/ReviewsPackage.java
@@ -27,6 +27,7 @@ import org.eclipse.mylyn.reviews.core.model.ILineLocation;
 import org.eclipse.mylyn.reviews.core.model.ILineRange;
 import org.eclipse.mylyn.reviews.core.model.IItem;
 import org.eclipse.mylyn.reviews.core.model.ILocation;
+import org.eclipse.mylyn.reviews.core.model.IModelVersioning;
 import org.eclipse.mylyn.reviews.core.model.IReview;
 import org.eclipse.mylyn.reviews.core.model.IReviewComponent;
 import org.eclipse.mylyn.reviews.core.model.IReviewGroup;
@@ -1056,6 +1057,34 @@ public class ReviewsPackage extends EPackageImpl {
 	public static final int FILE_REVISION_FEATURE_COUNT = REVIEW_ITEM_FEATURE_COUNT + 3;
 
 	/**
+	 * The meta object id for the '{@link org.eclipse.mylyn.reviews.core.model.IModelVersioning <em>Model Versioning</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.mylyn.reviews.core.model.IModelVersioning
+	 * @see org.eclipse.mylyn.reviews.internal.core.model.ReviewsPackage#getModelVersioning()
+	 * @generated
+	 */
+	public static final int MODEL_VERSIONING = 16;
+
+	/**
+	 * The feature id for the '<em><b>Fragment Version</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	public static final int MODEL_VERSIONING__FRAGMENT_VERSION = 0;
+
+	/**
+	 * The number of structural features of the '<em>Model Versioning</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	public static final int MODEL_VERSIONING_FEATURE_COUNT = 1;
+
+	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
@@ -1168,6 +1197,13 @@ public class ReviewsPackage extends EPackageImpl {
 	private EClass fileRevisionEClass = null;
 
 	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass modelVersioningEClass = 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.
@@ -1969,6 +2005,31 @@ public class ReviewsPackage extends EPackageImpl {
 	}
 
 	/**
+	 * Returns the meta object for class '{@link org.eclipse.mylyn.reviews.core.model.IModelVersioning <em>Model Versioning</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Model Versioning</em>'.
+	 * @see org.eclipse.mylyn.reviews.core.model.IModelVersioning
+	 * @generated
+	 */
+	public EClass getModelVersioning() {
+		return modelVersioningEClass;
+	}
+
+	/**
+	 * Returns the meta object for the attribute '{@link org.eclipse.mylyn.reviews.core.model.IModelVersioning#getFragmentVersion <em>Fragment Version</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the attribute '<em>Fragment Version</em>'.
+	 * @see org.eclipse.mylyn.reviews.core.model.IModelVersioning#getFragmentVersion()
+	 * @see #getModelVersioning()
+	 * @generated
+	 */
+	public EAttribute getModelVersioning_FragmentVersion() {
+		return (EAttribute) modelVersioningEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
 	 * Returns the factory that creates the instances of the model.
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
@@ -2072,6 +2133,9 @@ public class ReviewsPackage extends EPackageImpl {
 		createEAttribute(fileRevisionEClass, FILE_REVISION__PATH);
 		createEAttribute(fileRevisionEClass, FILE_REVISION__REVISION);
 		createEAttribute(fileRevisionEClass, FILE_REVISION__CONTENT);
+
+		modelVersioningEClass = createEClass(MODEL_VERSIONING);
+		createEAttribute(modelVersioningEClass, MODEL_VERSIONING__FRAGMENT_VERSION);
 	}
 
 	/**
@@ -2353,6 +2417,13 @@ public class ReviewsPackage extends EPackageImpl {
 				ecorePackage.getEString(),
 				"content", null, 0, 1, IFileRevision.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED); //$NON-NLS-1$
 
+		initEClass(modelVersioningEClass, IModelVersioning.class,
+				"ModelVersioning", IS_ABSTRACT, IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS); //$NON-NLS-1$
+		initEAttribute(
+				getModelVersioning_FragmentVersion(),
+				ecorePackage.getEString(),
+				"fragmentVersion", "1.0.0", 0, 1, IModelVersioning.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED); //$NON-NLS-1$ //$NON-NLS-2$
+
 		// Create resource
 		createResource(eNS_URI);
 
@@ -2884,6 +2955,24 @@ public class ReviewsPackage extends EPackageImpl {
 		 */
 		public static final EAttribute FILE_REVISION__CONTENT = eINSTANCE.getFileRevision_Content();
 
+		/**
+		 * The meta object literal for the '{@link org.eclipse.mylyn.reviews.core.model.IModelVersioning <em>Model Versioning</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.mylyn.reviews.core.model.IModelVersioning
+		 * @see org.eclipse.mylyn.reviews.internal.core.model.ReviewsPackage#getModelVersioning()
+		 * @generated
+		 */
+		public static final EClass MODEL_VERSIONING = eINSTANCE.getModelVersioning();
+
+		/**
+		 * The meta object literal for the '<em><b>Fragment Version</b></em>' attribute feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		public static final EAttribute MODEL_VERSIONING__FRAGMENT_VERSION = eINSTANCE.getModelVersioning_FragmentVersion();
+
 	}
 
 } //ReviewsPackage
diff --git a/org.eclipse.mylyn.reviews.core/src/org/eclipse/mylyn/reviews/internal/core/model/ReviewsSwitch.java b/org.eclipse.mylyn.reviews.core/src/org/eclipse/mylyn/reviews/internal/core/model/ReviewsSwitch.java
index 603c4cf..08bb30f 100644
--- a/org.eclipse.mylyn.reviews.core/src/org/eclipse/mylyn/reviews/internal/core/model/ReviewsSwitch.java
+++ b/org.eclipse.mylyn.reviews.core/src/org/eclipse/mylyn/reviews/internal/core/model/ReviewsSwitch.java
@@ -229,6 +229,13 @@ public class ReviewsSwitch<T> {
 				result = defaultCase(theEObject);
 			return result;
 		}
+		case ReviewsPackage.MODEL_VERSIONING: {
+			IModelVersioning modelVersioning = (IModelVersioning) theEObject;
+			T result = caseModelVersioning(modelVersioning);
+			if (result == null)
+				result = defaultCase(theEObject);
+			return result;
+		}
 		default:
 			return defaultCase(theEObject);
 		}
@@ -475,6 +482,21 @@ public class ReviewsSwitch<T> {
 	}
 
 	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Model Versioning</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>Model Versioning</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseModelVersioning(IModelVersioning object) {
+		return null;
+	}
+
+	/**
 	 * Returns the result of interpreting the object as an instance of '<em>EObject</em>'.
 	 * <!-- begin-user-doc -->
 	 * This implementation returns null;