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/*******************************************************************************
* 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
}
}
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