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/*******************************************************************************
* Copyright (c) 2009 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;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.eclipse.jpt.core.JpaAnnotationDefinitionProvider;
import org.eclipse.jpt.core.resource.java.AnnotationDefinition;
import org.eclipse.jpt.utility.internal.iterators.ArrayIterator;
import org.eclipse.jpt.utility.internal.iterators.ArrayListIterator;
public abstract class AbstractJpaAnnotationDefintionProvider
implements JpaAnnotationDefinitionProvider
{
private AnnotationDefinition[] typeAnnotationDefinitions;
private AnnotationDefinition[] typeMappingAnnotationDefinitions;
private AnnotationDefinition[] attributeAnnotationDefinitions;
protected AbstractJpaAnnotationDefintionProvider() {
super();
}
// ********** type annotation definitions **********
public synchronized Iterator<AnnotationDefinition> typeAnnotationDefinitions() {
if (this.typeAnnotationDefinitions == null) {
this.typeAnnotationDefinitions = this.buildTypeAnnotationDefinitions();
}
return new ArrayIterator<AnnotationDefinition>(this.typeAnnotationDefinitions);
}
protected AnnotationDefinition[] buildTypeAnnotationDefinitions() {
ArrayList<AnnotationDefinition> definitions = new ArrayList<AnnotationDefinition>();
this.addTypeAnnotationDefinitionsTo(definitions);
return definitions.toArray(new AnnotationDefinition[definitions.size()]);
}
/**
* Subclasses must override this to specify type annotation definitions.
*/
protected void addTypeAnnotationDefinitionsTo(@SuppressWarnings("unused") List<AnnotationDefinition> definitions) {
// no op
}
// ********** type mapping annotation definitions **********
public synchronized Iterator<AnnotationDefinition> typeMappingAnnotationDefinitions() {
if (this.typeMappingAnnotationDefinitions == null) {
this.typeMappingAnnotationDefinitions = this.buildTypeMappingAnnotationDefinitions();
}
return new ArrayIterator<AnnotationDefinition>(this.typeMappingAnnotationDefinitions);
}
protected AnnotationDefinition[] buildTypeMappingAnnotationDefinitions() {
ArrayList<AnnotationDefinition> definitions = new ArrayList<AnnotationDefinition>();
this.addTypeMappingAnnotationDefinitionsTo(definitions);
return definitions.toArray(new AnnotationDefinition[definitions.size()]);
}
/**
* Subclasses must override this to specify type mapping annotation
* definitions.
*/
protected void addTypeMappingAnnotationDefinitionsTo(@SuppressWarnings("unused") List<AnnotationDefinition> definitions) {
// no op
}
// ********** attribute annotation definitions **********
public synchronized Iterator<AnnotationDefinition> attributeAnnotationDefinitions() {
if (this.attributeAnnotationDefinitions == null) {
this.attributeAnnotationDefinitions = this.buildAttributeAnnotationDefinitions();
}
return new ArrayListIterator<AnnotationDefinition>(this.attributeAnnotationDefinitions);
}
protected AnnotationDefinition[] buildAttributeAnnotationDefinitions() {
ArrayList<AnnotationDefinition> definitions = new ArrayList<AnnotationDefinition>();
this.addAttributeAnnotationDefinitionsTo(definitions);
return definitions.toArray(new AnnotationDefinition[definitions.size()]);
}
/**
* Subclasses must override this to specify attribute annotation
* definitions.
*/
protected void addAttributeAnnotationDefinitionsTo(@SuppressWarnings("unused") List<AnnotationDefinition> definitions) {
// no op
}
}
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