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/*******************************************************************************
* Copyright (c) 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.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.ElementAnnotationAdapter;
import org.eclipse.jpt.common.core.internal.utility.jdt.ElementIndexedAnnotationAdapter;
import org.eclipse.jpt.common.core.internal.utility.jdt.EnumDeclarationAnnotationElementAdapter;
import org.eclipse.jpt.common.core.resource.java.JavaResourceNode;
import org.eclipse.jpt.common.core.utility.jdt.AnnotatedElement;
import org.eclipse.jpt.common.core.utility.jdt.AnnotationAdapter;
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.IndexedDeclarationAnnotationAdapter;
import org.eclipse.jpt.jpa.core.resource.java.DiscriminatorColumnAnnotation;
import org.eclipse.jpt.jpa.core.resource.java.DiscriminatorType;
/**
* <code>javax.persistence.DiscriminatorColumn</code>
*/
public abstract class SourceBaseDiscriminatorColumnAnnotation
extends SourceNamedColumnAnnotation
implements DiscriminatorColumnAnnotation
{
private DeclarationAnnotationElementAdapter<String> discriminatorTypeDeclarationAdapter;
private AnnotationElementAdapter<String> discriminatorTypeAdapter;
private DiscriminatorType discriminatorType;
private DeclarationAnnotationElementAdapter<Integer> lengthDeclarationAdapter;
private AnnotationElementAdapter<Integer> lengthAdapter;
private Integer length;
protected SourceBaseDiscriminatorColumnAnnotation(JavaResourceNode parent, AnnotatedElement element, DeclarationAnnotationAdapter daa, AnnotationAdapter annotationAdapter) {
super(parent, element, daa, annotationAdapter);
this.discriminatorTypeDeclarationAdapter = this.buildDiscriminatorTypeDeclarationAdapter();
this.discriminatorTypeAdapter = this.buildDiscriminatorTypeAdapter();
this.lengthDeclarationAdapter = this.buildLengthDeclarationAdapter();
this.lengthAdapter = this.buildLengthAdapter();
}
protected SourceBaseDiscriminatorColumnAnnotation(JavaResourceNode parent, AnnotatedElement element, DeclarationAnnotationAdapter daa) {
this(parent, element, daa, new ElementAnnotationAdapter(element, daa));
}
protected SourceBaseDiscriminatorColumnAnnotation(JavaResourceNode parent, AnnotatedElement element, IndexedDeclarationAnnotationAdapter idaa) {
this(parent, element, idaa, new ElementIndexedAnnotationAdapter(element, idaa));
}
@Override
public void initialize(CompilationUnit astRoot) {
super.initialize(astRoot);
this.discriminatorType = this.buildDiscriminatorType(astRoot);
this.length = this.buildLength(astRoot);
}
@Override
public void synchronizeWith(CompilationUnit astRoot) {
super.synchronizeWith(astRoot);
this.syncLength(this.buildLength(astRoot));
this.syncDiscriminatorType(this.buildDiscriminatorType(astRoot));
}
// ********** DiscriminatorColumn implementation **********
// ***** discriminator type
public DiscriminatorType getDiscriminatorType() {
return this.discriminatorType;
}
public void setDiscriminatorType(DiscriminatorType discriminatorType) {
if (this.attributeValueHasChanged(this.discriminatorType, discriminatorType)) {
this.discriminatorType = discriminatorType;
this.discriminatorTypeAdapter.setValue(DiscriminatorType.toJavaAnnotationValue(discriminatorType));
}
}
private void syncDiscriminatorType(DiscriminatorType astDiscriminatorType) {
DiscriminatorType old = this.discriminatorType;
this.discriminatorType = astDiscriminatorType;
this.firePropertyChanged(DISCRIMINATOR_TYPE_PROPERTY, old, astDiscriminatorType);
}
private DiscriminatorType buildDiscriminatorType(CompilationUnit astRoot) {
return DiscriminatorType.fromJavaAnnotationValue(this.discriminatorTypeAdapter.getValue(astRoot));
}
private DeclarationAnnotationElementAdapter<String> buildDiscriminatorTypeDeclarationAdapter() {
return new EnumDeclarationAnnotationElementAdapter(this.daa, this.getDiscriminatorTypeElementName());
}
private AnnotationElementAdapter<String> buildDiscriminatorTypeAdapter() {
return new AnnotatedElementAnnotationElementAdapter<String>(this.annotatedElement, this.discriminatorTypeDeclarationAdapter);
}
protected abstract String getDiscriminatorTypeElementName();
// ***** length
public Integer getLength() {
return this.length;
}
public void setLength(Integer length) {
if (this.attributeValueHasChanged(this.length, length)) {
this.length = length;
this.lengthAdapter.setValue(length);
}
}
private void syncLength(Integer astLength) {
Integer old = this.length;
this.length = astLength;
this.firePropertyChanged(LENGTH_PROPERTY, old, astLength);
}
private Integer buildLength(CompilationUnit astRoot) {
return this.lengthAdapter.getValue(astRoot);
}
private DeclarationAnnotationElementAdapter<Integer> buildLengthDeclarationAdapter() {
return this.buildIntegerElementAdapter(this.getLengthElementName());
}
private AnnotationElementAdapter<Integer> buildLengthAdapter() {
return this.buildIntegerElementAdapter(this.lengthDeclarationAdapter);
}
protected abstract String getLengthElementName();
// ********** misc **********
@Override
public boolean isUnset() {
return super.isUnset() &&
(this.discriminatorType == null) &&
(this.length == null);
}
}
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