| /******************************************************************************* |
| * Copyright (c) 2010 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.jpa2.context.java; |
| |
| import org.eclipse.jpt.jpa.core.context.java.JavaPersistentAttribute; |
| import org.eclipse.jpt.jpa.core.internal.context.java.AbstractJavaIdMappingDefinition; |
| |
| /** |
| * JPA 2.0 Id mapping |
| */ |
| public abstract class AbstractJavaIdMappingDefinition2_0 |
| extends AbstractJavaIdMappingDefinition |
| { |
| protected AbstractJavaIdMappingDefinition2_0() { |
| super(); |
| } |
| |
| /** |
| * Return the annotation only if it is not "derived". |
| */ |
| @Override |
| public boolean isSpecified(JavaPersistentAttribute persistentAttribute) { |
| boolean idSpecified = super.isSpecified(persistentAttribute); |
| return idSpecified && ! this.isDerivedId(persistentAttribute); |
| } |
| |
| /** |
| * Return whether the specified attribute's <code>Id</code> annotation is |
| * a supporting annotation for M-1 or 1-1 mapping, as opposed to a primary |
| * mapping annotation. |
| * <p> |
| * This might produce confusing behavior if the annotations look something |
| * like:<pre> |
| * @Id @Basic @ManyToOne private int foo; |
| * </pre> |
| */ |
| protected boolean isDerivedId(JavaPersistentAttribute persistentAttribute) { |
| return this.attributeHasManyToOneMapping(persistentAttribute) || |
| this.attributeHasOneToOneMapping(persistentAttribute); |
| } |
| |
| protected boolean attributeHasManyToOneMapping(JavaPersistentAttribute persistentAttribute) { |
| return JavaManyToOneMappingDefinition2_0.instance().isSpecified(persistentAttribute); |
| } |
| |
| protected boolean attributeHasOneToOneMapping(JavaPersistentAttribute persistentAttribute) { |
| return JavaOneToOneMappingDefinition2_0.instance().isSpecified(persistentAttribute); |
| } |
| } |