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/*******************************************************************************
* Copyright (c) 2007, 2010 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.jpa.core.internal.resource.java.source;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jpt.common.core.internal.utility.jdt.AnnotatedElementAnnotationElementAdapter;
import org.eclipse.jpt.common.core.internal.utility.jdt.EnumDeclarationAnnotationElementAdapter;
import org.eclipse.jpt.common.core.internal.utility.jdt.SimpleDeclarationAnnotationAdapter;
import org.eclipse.jpt.common.core.utility.TextRange;
import org.eclipse.jpt.common.core.utility.jdt.AnnotationElementAdapter;
import org.eclipse.jpt.common.core.utility.jdt.DeclarationAnnotationAdapter;
import org.eclipse.jpt.common.core.utility.jdt.DeclarationAnnotationElementAdapter;
import org.eclipse.jpt.common.core.utility.jdt.Type;
import org.eclipse.jpt.jpa.core.resource.java.InheritanceAnnotation;
import org.eclipse.jpt.jpa.core.resource.java.InheritanceType;
import org.eclipse.jpt.jpa.core.resource.java.JPA;
import org.eclipse.jpt.jpa.core.resource.java.JavaResourcePersistentType;
/**
* javax.persistence.Inheritance
*/
public final class SourceInheritanceAnnotation
extends SourceAnnotation<Type>
implements InheritanceAnnotation
{
private static final DeclarationAnnotationAdapter DECLARATION_ANNOTATION_ADAPTER = new SimpleDeclarationAnnotationAdapter(ANNOTATION_NAME);
private static final DeclarationAnnotationElementAdapter<String> STRATEGY_ADAPTER = buildStrategyAdapter();
private final AnnotationElementAdapter<String> strategyAdapter;
private InheritanceType strategy;
public SourceInheritanceAnnotation(JavaResourcePersistentType parent, Type type) {
super(parent, type, DECLARATION_ANNOTATION_ADAPTER);
this.strategyAdapter = new AnnotatedElementAnnotationElementAdapter<String>(type, STRATEGY_ADAPTER);
}
public String getAnnotationName() {
return ANNOTATION_NAME;
}
public void initialize(CompilationUnit astRoot) {
this.strategy = this.buildStrategy(astRoot);
}
public void synchronizeWith(CompilationUnit astRoot) {
this.syncStrategy(this.buildStrategy(astRoot));
}
@Override
public boolean isUnset() {
return super.isUnset() &&
(this.strategy == null);
}
@Override
public void toString(StringBuilder sb) {
sb.append(this.strategy);
}
// ********** InheritanceAnnotation implementation **********
// ***** strategy
public InheritanceType getStrategy() {
return this.strategy;
}
public void setStrategy(InheritanceType strategy) {
if (this.attributeValueHasChanged(this.strategy, strategy)) {
this.strategy = strategy;
this.strategyAdapter.setValue(InheritanceType.toJavaAnnotationValue(strategy));
}
}
private void syncStrategy(InheritanceType astStrategy) {
InheritanceType old = this.strategy;
this.strategy = astStrategy;
this.firePropertyChanged(STRATEGY_PROPERTY, old, astStrategy);
}
private InheritanceType buildStrategy(CompilationUnit astRoot) {
return InheritanceType.fromJavaAnnotationValue(this.strategyAdapter.getValue(astRoot));
}
public TextRange getStrategyTextRange(CompilationUnit astRoot) {
return this.getElementTextRange(STRATEGY_ADAPTER, astRoot);
}
// ********** static methods **********
private static DeclarationAnnotationElementAdapter<String> buildStrategyAdapter() {
return new EnumDeclarationAnnotationElementAdapter(DECLARATION_ANNOTATION_ADAPTER, JPA.INHERITANCE__STRATEGY);
}
}
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