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/*******************************************************************************
* Copyright (c) 2008, 2011 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.eclipselink.core.internal.context.java;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jpt.common.core.resource.java.JavaResourceAttribute;
import org.eclipse.jpt.common.core.utility.TextRange;
import org.eclipse.jpt.jpa.core.context.java.JavaAttributeMapping;
import org.eclipse.jpt.jpa.core.internal.context.java.AbstractJavaJpaContextNode;
import org.eclipse.jpt.jpa.eclipselink.core.context.EclipseLinkJoinFetch;
import org.eclipse.jpt.jpa.eclipselink.core.context.EclipseLinkJoinFetchType;
import org.eclipse.jpt.jpa.eclipselink.core.resource.java.EclipseLinkJoinFetchAnnotation;
import org.eclipse.jpt.jpa.eclipselink.core.resource.java.JoinFetchType;
public class JavaEclipseLinkJoinFetch
extends AbstractJavaJpaContextNode
implements EclipseLinkJoinFetch
{
protected EclipseLinkJoinFetchType value;
public JavaEclipseLinkJoinFetch(JavaAttributeMapping parent) {
super(parent);
this.value = this.buildValue();
}
// ********** synchronize/update **********
@Override
public void synchronizeWithResourceModel() {
super.synchronizeWithResourceModel();
this.setValue_(this.buildValue());
}
// ********** value **********
public EclipseLinkJoinFetchType getValue() {
return this.value;
}
public void setValue(EclipseLinkJoinFetchType value) {
if (this.valuesAreDifferent(value, this.value)) {
EclipseLinkJoinFetchAnnotation annotation = this.getJoinFetchAnnotation();
if (value == null) {
if (annotation != null) {
this.removeJoinFetchAnnotation();
}
} else {
if (annotation == null) {
annotation = this.addJoinFetchAnnotation();
}
annotation.setValue(EclipseLinkJoinFetchType.toJavaResourceModel(value));
}
this.setValue_(value);
}
}
protected void setValue_(EclipseLinkJoinFetchType value) {
EclipseLinkJoinFetchType old = this.value;
this.value = value;
this.firePropertyChanged(VALUE_PROPERTY, old, value);
}
private EclipseLinkJoinFetchType buildValue() {
EclipseLinkJoinFetchAnnotation annotation = this.getJoinFetchAnnotation();
if (annotation == null) {
return null;
}
JoinFetchType annotationValue = annotation.getValue();
return (annotationValue != null) ?
EclipseLinkJoinFetchType.fromJavaResourceModel(annotationValue) :
this.getDefaultValue(); // @JoinFetch is equivalent to @JoinFetch(JoinFetch.INNER)
}
protected EclipseLinkJoinFetchType getDefaultValue() {
return DEFAULT_VALUE;
}
// ********** join fetch annotation **********
protected EclipseLinkJoinFetchAnnotation getJoinFetchAnnotation() {
return (EclipseLinkJoinFetchAnnotation) this.getResourceAttribute().getAnnotation(this.getJoinFetchAnnotationName());
}
protected EclipseLinkJoinFetchAnnotation addJoinFetchAnnotation() {
return (EclipseLinkJoinFetchAnnotation) this.getResourceAttribute().addAnnotation(this.getJoinFetchAnnotationName());
}
protected void removeJoinFetchAnnotation() {
this.getResourceAttribute().removeAnnotation(this.getJoinFetchAnnotationName());
}
protected String getJoinFetchAnnotationName() {
return EclipseLinkJoinFetchAnnotation.ANNOTATION_NAME;
}
// ********** misc **********
@Override
public JavaAttributeMapping getParent() {
return (JavaAttributeMapping) super.getParent();
}
protected JavaAttributeMapping getAttributeMapping() {
return this.getParent();
}
protected JavaResourceAttribute getResourceAttribute() {
return this.getAttributeMapping().getResourceAttribute();
}
// ********** validation **********
public TextRange getValidationTextRange(CompilationUnit astRoot) {
TextRange textRange = this.getAnnotationTextRange(astRoot);
return (textRange != null) ? textRange : this.getAttributeMapping().getValidationTextRange(astRoot);
}
protected TextRange getAnnotationTextRange(CompilationUnit astRoot) {
EclipseLinkJoinFetchAnnotation annotation = this.getJoinFetchAnnotation();
return (annotation == null) ? null : annotation.getTextRange(astRoot);
}
}
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