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/*******************************************************************************
* Copyright (c) 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.eclipselink.core.internal.resource.java;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jpt.core.internal.resource.java.AbstractResourceAnnotation;
import org.eclipse.jpt.core.internal.utility.jdt.BooleanExpressionConverter;
import org.eclipse.jpt.core.internal.utility.jdt.ConversionDeclarationAnnotationElementAdapter;
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.FetchType;
import org.eclipse.jpt.core.resource.java.JavaResourcePersistentAttribute;
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;
import org.eclipse.jpt.eclipselink.core.resource.java.EclipseLinkJPA;
import org.eclipse.jpt.eclipselink.core.resource.java.TransformationAnnotation;
public class TransformationImpl extends AbstractResourceAnnotation<Attribute> implements TransformationAnnotation
{
private static final DeclarationAnnotationAdapter DECLARATION_ANNOTATION_ADAPTER = new SimpleDeclarationAnnotationAdapter(ANNOTATION_NAME);
private final AnnotationElementAdapter<Boolean> optionalAdapter;
private final AnnotationElementAdapter<String> fetchAdapter;
private static final DeclarationAnnotationElementAdapter<Boolean> OPTIONAL_ADAPTER = buildOptionalAdapter();
private static final DeclarationAnnotationElementAdapter<String> FETCH_ADAPTER = buildFetchAdapter();
private Boolean optional;
private FetchType fetch;
protected TransformationImpl(JavaResourcePersistentAttribute parent, Attribute attribute) {
super(parent, attribute, DECLARATION_ANNOTATION_ADAPTER);
this.optionalAdapter = new ShortCircuitAnnotationElementAdapter<Boolean>(attribute, OPTIONAL_ADAPTER);
this.fetchAdapter = new ShortCircuitAnnotationElementAdapter<String>(attribute, FETCH_ADAPTER);
}
public void initialize(CompilationUnit astRoot) {
this.optional = this.optional(astRoot);
this.fetch = this.fetch(astRoot);
}
public String getAnnotationName() {
return ANNOTATION_NAME;
}
//*************** Basic implementation ****************
public Boolean getOptional() {
return this.optional;
}
public void setOptional(Boolean newOptional) {
if (attributeValueHasNotChanged(this.optional, newOptional)) {
return;
}
Boolean oldOptional = this.optional;
this.optional = newOptional;
this.optionalAdapter.setValue(newOptional);
firePropertyChanged(OPTIONAL_PROPERTY, oldOptional, newOptional);
}
public FetchType getFetch() {
return this.fetch;
}
public void setFetch(FetchType newFetch) {
if (attributeValueHasNotChanged(this.fetch, newFetch)) {
return;
}
FetchType oldFetch = this.fetch;
this.fetch = newFetch;
this.fetchAdapter.setValue(FetchType.toJavaAnnotationValue(newFetch));
firePropertyChanged(FETCH_PROPERTY, oldFetch, newFetch);
}
public TextRange getFetchTextRange(CompilationUnit astRoot) {
return this.getElementTextRange(FETCH_ADAPTER, astRoot);
}
public TextRange getOptionalTextRange(CompilationUnit astRoot) {
return this.getElementTextRange(OPTIONAL_ADAPTER, astRoot);
}
public void update(CompilationUnit astRoot) {
this.setOptional(this.optional(astRoot));
this.setFetch(this.fetch(astRoot));
}
protected FetchType fetch(CompilationUnit astRoot) {
return FetchType.fromJavaAnnotationValue(this.fetchAdapter.getValue(astRoot));
}
protected Boolean optional(CompilationUnit astRoot) {
return this.optionalAdapter.getValue(astRoot);
}
// ********** static methods **********
private static DeclarationAnnotationElementAdapter<Boolean> buildOptionalAdapter() {
return new ConversionDeclarationAnnotationElementAdapter<Boolean>(DECLARATION_ANNOTATION_ADAPTER, EclipseLinkJPA.TRANSFORMATION__OPTIONAL, false, BooleanExpressionConverter.instance());
}
private static DeclarationAnnotationElementAdapter<String> buildFetchAdapter() {
return new EnumDeclarationAnnotationElementAdapter(DECLARATION_ANNOTATION_ADAPTER, EclipseLinkJPA.TRANSFORMATION__FETCH, false);
}
public static class TransformationAnnotationDefinition implements AnnotationDefinition
{
// singleton
private static final TransformationAnnotationDefinition INSTANCE = new TransformationAnnotationDefinition();
/**
* Return the singleton.
*/
public static TransformationAnnotationDefinition instance() {
return INSTANCE;
}
/**
* Ensure non-instantiability.
*/
private TransformationAnnotationDefinition() {
super();
}
public Annotation buildAnnotation(JavaResourcePersistentMember parent, Member member) {
return new TransformationImpl((JavaResourcePersistentAttribute) parent, (Attribute) member);
}
public Annotation buildNullAnnotation(JavaResourcePersistentMember parent, Member member) {
return new NullTransformation(parent);
}
public String getAnnotationName() {
return ANNOTATION_NAME;
}
}
}
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