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/*******************************************************************************
* Copyright (c) 2007, 2008 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.resource.java;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jpt.core.internal.utility.jdt.EnumDeclarationAnnotationElementAdapter;
import org.eclipse.jpt.core.internal.utility.jdt.ShortCircuitAnnotationElementAdapter;
import org.eclipse.jpt.core.internal.utility.jdt.SimpleDeclarationAnnotationAdapter;
import org.eclipse.jpt.core.resource.java.Annotation;
import org.eclipse.jpt.core.resource.java.AnnotationDefinition;
import org.eclipse.jpt.core.resource.java.EnumType;
import org.eclipse.jpt.core.resource.java.EnumeratedAnnotation;
import org.eclipse.jpt.core.resource.java.JPA;
import org.eclipse.jpt.core.resource.java.JavaResourceNode;
import org.eclipse.jpt.core.resource.java.JavaResourcePersistentMember;
import org.eclipse.jpt.core.utility.TextRange;
import org.eclipse.jpt.core.utility.jdt.AnnotationElementAdapter;
import org.eclipse.jpt.core.utility.jdt.Attribute;
import org.eclipse.jpt.core.utility.jdt.DeclarationAnnotationAdapter;
import org.eclipse.jpt.core.utility.jdt.DeclarationAnnotationElementAdapter;
import org.eclipse.jpt.core.utility.jdt.Member;
public class EnumeratedImpl extends AbstractResourceAnnotation<Attribute> implements EnumeratedAnnotation
{
private static final DeclarationAnnotationAdapter DECLARATION_ANNOTATION_ADAPTER = new SimpleDeclarationAnnotationAdapter(ANNOTATION_NAME);
private static final DeclarationAnnotationElementAdapter<String> VALUE_ADAPTER = buildValueAdapter();
private final AnnotationElementAdapter<String> valueAdapter;
private EnumType value;
protected EnumeratedImpl(JavaResourceNode parent, Attribute attribute) {
super(parent, attribute, DECLARATION_ANNOTATION_ADAPTER);
this.valueAdapter = new ShortCircuitAnnotationElementAdapter<String>(attribute, VALUE_ADAPTER);
}
public void initialize(CompilationUnit astRoot) {
this.value = this.value(astRoot);
}
public String getAnnotationName() {
return ANNOTATION_NAME;
}
public EnumType getValue() {
return this.value;
}
public void setValue(EnumType newValue) {
if (attributeValueHasNotChanged(this.value, newValue)) {
return;
}
EnumType oldValue = this.value;
this.value = newValue;
this.valueAdapter.setValue(EnumType.toJavaAnnotationValue(newValue));
firePropertyChanged(VALUE_PROPERTY, oldValue, newValue);
}
public TextRange getValueTextRange(CompilationUnit astRoot) {
return this.getElementTextRange(VALUE_ADAPTER, astRoot);
}
public void update(CompilationUnit astRoot) {
this.setValue(this.value(astRoot));
}
protected EnumType value(CompilationUnit astRoot) {
return EnumType.fromJavaAnnotationValue(this.valueAdapter.getValue(astRoot));
}
// ********** static methods **********
private static DeclarationAnnotationElementAdapter<String> buildValueAdapter() {
return new EnumDeclarationAnnotationElementAdapter(DECLARATION_ANNOTATION_ADAPTER, JPA.ENUMERATED__VALUE);
}
public static class EnumeratedAnnotationDefinition implements AnnotationDefinition
{
// singleton
private static final EnumeratedAnnotationDefinition INSTANCE = new EnumeratedAnnotationDefinition();
/**
* Return the singleton.
*/
public static AnnotationDefinition instance() {
return INSTANCE;
}
/**
* Ensure non-instantiability.
*/
private EnumeratedAnnotationDefinition() {
super();
}
public Annotation buildAnnotation(JavaResourcePersistentMember parent, Member member) {
return new EnumeratedImpl(parent, (Attribute) member);
}
public Annotation buildNullAnnotation(JavaResourcePersistentMember parent, Member member) {
return new NullEnumerated(parent);
}
public String getAnnotationName() {
return ANNOTATION_NAME;
}
}
}
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