1 files changed, 80 insertions, 0 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/internal/jdtutility/NullDeclarationAnnotationAdapter.java b/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/internal/jdtutility/NullDeclarationAnnotationAdapter.java
new file mode 100644
index 0000000000..9dc042ea6e
--- /dev/null
+++ b/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/internal/jdtutility/NullDeclarationAnnotationAdapter.java
@@ -0,0 +1,80 @@
+/*******************************************************************************
+ * Copyright (c) 2007 Oracle. 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:
+ *     Oracle - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.jpt.core.internal.jdtutility;
+
+import org.eclipse.jdt.core.dom.ASTNode;
+import org.eclipse.jdt.core.dom.Annotation;
+import org.eclipse.jdt.core.dom.MarkerAnnotation;
+import org.eclipse.jdt.core.dom.NormalAnnotation;
+import org.eclipse.jdt.core.dom.SingleMemberAnnotation;
+
+/**
+ * Behaviorless implementation.
+ */
+public final class NullDeclarationAnnotationAdapter
+	implements IndexedDeclarationAnnotationAdapter
+{
+
+	// singleton
+	private static final NullDeclarationAnnotationAdapter INSTANCE = new NullDeclarationAnnotationAdapter();
+
+	/**
+	 * Return the singleton.
+	 */
+	public static IndexedDeclarationAnnotationAdapter instance() {
+		return INSTANCE;
+	}
+
+	/**
+	 * Ensure non-instantiability.
+	 */
+	private NullDeclarationAnnotationAdapter() {
+		super();
+	}
+
+
+	// ********** DeclarationAnnotationAdapter implementation **********
+
+	public Annotation getAnnotation(ModifiedDeclaration declaration) {
+		return null;
+	}
+
+	public MarkerAnnotation newMarkerAnnotation(ModifiedDeclaration declaration) {
+		return null;
+	}
+
+	public SingleMemberAnnotation newSingleMemberAnnotation(ModifiedDeclaration declaration) {
+		return null;
+	}
+
+	public NormalAnnotation newNormalAnnotation(ModifiedDeclaration declaration) {
+		return null;
+	}
+
+	public void removeAnnotation(ModifiedDeclaration declaration) {
+		// do nothing
+	}
+
+	public ASTNode astNode(ModifiedDeclaration declaration) {
+		return declaration.getDeclaration();
+	}
+
+
+	// ********** IndexedDeclarationAnnotationAdapter implementation **********
+
+	public int getIndex() {
+		return -1;
+	}
+
+	public void moveAnnotation(int newIndex, ModifiedDeclaration declaration) {
+		// do nothing
+	}
+
+}