| /******************************************************************************* |
| * Copyright (c) 2006, 2008 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.context.orm; |
| |
| import org.eclipse.jpt.core.JpaFactory; |
| import org.eclipse.jpt.core.MappingKeys; |
| import org.eclipse.jpt.core.context.java.JavaAttributeMapping; |
| import org.eclipse.jpt.core.context.orm.OrmAttributeMapping; |
| import org.eclipse.jpt.core.context.orm.OrmAttributeMappingProvider; |
| import org.eclipse.jpt.core.context.orm.OrmPersistentAttribute; |
| import org.eclipse.jpt.core.context.orm.OrmTypeMapping; |
| import org.eclipse.jpt.core.resource.orm.XmlNullAttributeMapping; |
| |
| public class OrmNullAttributeMappingProvider implements OrmAttributeMappingProvider |
| { |
| // singleton |
| private static final OrmNullAttributeMappingProvider INSTANCE = new OrmNullAttributeMappingProvider(); |
| |
| /** |
| * Return the singleton. |
| */ |
| public static OrmAttributeMappingProvider instance() { |
| return INSTANCE; |
| } |
| |
| /** |
| * Ensure single instance. |
| */ |
| private OrmNullAttributeMappingProvider() { |
| super(); |
| } |
| |
| public String getKey() { |
| return MappingKeys.NULL_ATTRIBUTE_MAPPING_KEY; |
| } |
| |
| public OrmAttributeMapping buildMapping(OrmPersistentAttribute parent, JpaFactory factory) { |
| return factory.buildOrmNullAttributeMapping(parent); |
| } |
| |
| public XmlNullAttributeMapping buildVirtualResourceMapping(OrmTypeMapping ormTypeMapping, JavaAttributeMapping javaAttributeMapping, JpaFactory factory) { |
| return factory.buildVirtualXmlNullAttributeMapping(ormTypeMapping, javaAttributeMapping); |
| } |
| } |