| /******************************************************************************* |
| * 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 |
| } |
| } |