| /******************************************************************************* |
| * 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.jpt.common.utility.internal.iterables.EmptyIterable; |
| import org.eclipse.jpt.jpa.core.JpaFactory; |
| import org.eclipse.jpt.jpa.core.context.java.JavaAttributeMapping; |
| import org.eclipse.jpt.jpa.core.context.java.JavaAttributeMappingDefinition; |
| import org.eclipse.jpt.jpa.core.context.java.JavaPersistentAttribute; |
| import org.eclipse.jpt.jpa.eclipselink.core.EclipseLinkMappingKeys; |
| import org.eclipse.jpt.jpa.eclipselink.core.internal.EclipseLinkJpaFactory; |
| import org.eclipse.jpt.jpa.eclipselink.core.resource.java.EclipseLinkTransformationAnnotation; |
| |
| public class EclipseLinkJavaTransformationMappingDefinition |
| implements JavaAttributeMappingDefinition |
| { |
| // singleton |
| private static final JavaAttributeMappingDefinition INSTANCE = new EclipseLinkJavaTransformationMappingDefinition(); |
| |
| /** |
| * Return the singleton. |
| */ |
| public static JavaAttributeMappingDefinition instance() { |
| return INSTANCE; |
| } |
| |
| |
| /** |
| * Enforce singleton usage |
| */ |
| private EclipseLinkJavaTransformationMappingDefinition() { |
| super(); |
| } |
| |
| public String getKey() { |
| return EclipseLinkMappingKeys.TRANSFORMATION_ATTRIBUTE_MAPPING_KEY; |
| } |
| |
| public String getAnnotationName() { |
| return EclipseLinkTransformationAnnotation.ANNOTATION_NAME; |
| } |
| |
| public boolean isSpecified(JavaPersistentAttribute persistentAttribute) { |
| return persistentAttribute.getResourceAttribute().getAnnotation(this.getAnnotationName()) != null; |
| } |
| |
| public Iterable<String> getSupportingAnnotationNames() { |
| return EmptyIterable.instance(); |
| } |
| |
| public JavaAttributeMapping buildMapping(JavaPersistentAttribute persistentAttribute, JpaFactory factory) { |
| return ((EclipseLinkJpaFactory) factory).buildJavaEclipseLinkTransformationMapping(persistentAttribute); |
| } |
| |
| @Override |
| public String toString() { |
| return this.getClass().getSimpleName(); |
| } |
| } |