| /******************************************************************************* |
| * Copyright (c) 2009, 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.core.internal.context.orm; |
| |
| import java.util.List; |
| import org.eclipse.jpt.jpa.core.MappingKeys; |
| import org.eclipse.jpt.jpa.core.context.AttributeMapping; |
| import org.eclipse.jpt.jpa.core.context.MappedByRelationship; |
| import org.eclipse.jpt.jpa.core.context.ReadOnlyJoinTableRelationship; |
| import org.eclipse.jpt.jpa.core.context.Relationship; |
| import org.eclipse.jpt.jpa.core.context.RelationshipMapping; |
| import org.eclipse.jpt.jpa.core.context.orm.OrmJoinTableRelationshipStrategy; |
| import org.eclipse.jpt.jpa.core.context.orm.OrmManyToManyMapping; |
| import org.eclipse.jpt.jpa.core.context.orm.OrmManyToManyRelationship; |
| import org.eclipse.jpt.jpa.core.context.orm.OrmMappedByRelationshipStrategy; |
| import org.eclipse.jpt.jpa.core.context.orm.OrmRelationshipStrategy; |
| import org.eclipse.jpt.jpa.core.resource.orm.XmlManyToMany; |
| import org.eclipse.wst.validation.internal.provisional.core.IMessage; |
| import org.eclipse.wst.validation.internal.provisional.core.IReporter; |
| |
| public class GenericOrmManyToManyRelationship |
| extends AbstractOrmMappingRelationship<OrmManyToManyMapping> |
| implements OrmManyToManyRelationship |
| { |
| protected final OrmMappedByRelationshipStrategy mappedByStrategy; |
| |
| protected final OrmJoinTableRelationshipStrategy joinTableStrategy; |
| |
| |
| public GenericOrmManyToManyRelationship(OrmManyToManyMapping parent) { |
| super(parent); |
| this.mappedByStrategy = this.buildMappedByStrategy(); |
| this.joinTableStrategy = this.buildJoinTableStrategy(); |
| |
| this.strategy = this.buildStrategy(); |
| } |
| |
| |
| // ********** synchronize/update ********** |
| |
| @Override |
| public void synchronizeWithResourceModel() { |
| super.synchronizeWithResourceModel(); |
| this.mappedByStrategy.synchronizeWithResourceModel(); |
| this.joinTableStrategy.synchronizeWithResourceModel(); |
| } |
| |
| @Override |
| public void update() { |
| super.update(); |
| this.mappedByStrategy.update(); |
| this.joinTableStrategy.update(); |
| } |
| |
| |
| // ********** strategy ********** |
| |
| @Override |
| protected OrmRelationshipStrategy buildStrategy() { |
| if (this.mappedByStrategy.getMappedByAttribute() != null) { |
| return this.mappedByStrategy; |
| } |
| return this.joinTableStrategy; |
| } |
| |
| |
| // ********** mapped by strategy ********** |
| |
| public OrmMappedByRelationshipStrategy getMappedByStrategy() { |
| return this.mappedByStrategy; |
| } |
| |
| public boolean strategyIsMappedBy() { |
| return this.strategy == this.mappedByStrategy; |
| } |
| |
| public void setStrategyToMappedBy() { |
| this.mappedByStrategy.addStrategy(); |
| this.joinTableStrategy.removeStrategy(); |
| this.updateStrategy(); |
| } |
| |
| public boolean mayBeMappedBy(AttributeMapping mapping) { |
| return mapping.getKey() == MappingKeys.MANY_TO_MANY_ATTRIBUTE_MAPPING_KEY; |
| } |
| |
| protected OrmMappedByRelationshipStrategy buildMappedByStrategy() { |
| return new GenericOrmMappedByRelationshipStrategy(this); |
| } |
| |
| |
| // ********** join table strategy ********** |
| |
| public OrmJoinTableRelationshipStrategy getJoinTableStrategy() { |
| return this.joinTableStrategy; |
| } |
| |
| public boolean strategyIsJoinTable() { |
| return this.strategy == this.joinTableStrategy; |
| } |
| |
| public void setStrategyToJoinTable() { |
| // join table is the default strategy, so no need to add to resource |
| this.mappedByStrategy.removeStrategy(); |
| this.updateStrategy(); |
| } |
| |
| public boolean mayHaveDefaultJoinTable() { |
| return this.mappedByStrategy.getMappedByAttribute() == null; |
| } |
| |
| protected OrmJoinTableRelationshipStrategy buildJoinTableStrategy() { |
| return new GenericOrmMappingJoinTableRelationshipStrategy(this); |
| } |
| |
| |
| // ********** conversions ********** |
| |
| public void initializeOn(Relationship newRelationship) { |
| newRelationship.initializeFromMappedByRelationship(this); |
| newRelationship.initializeFromJoinTableRelationship(this); |
| } |
| |
| @Override |
| public void initializeFromMappedByRelationship(MappedByRelationship oldRelationship) { |
| super.initializeFromMappedByRelationship(oldRelationship); |
| this.mappedByStrategy.initializeFrom(oldRelationship.getMappedByStrategy()); |
| } |
| |
| @Override |
| public void initializeFromJoinTableRelationship(ReadOnlyJoinTableRelationship oldRelationship) { |
| super.initializeFromJoinTableRelationship(oldRelationship); |
| this.joinTableStrategy.initializeFrom(oldRelationship.getJoinTableStrategy()); |
| } |
| |
| |
| // ********** misc ********** |
| |
| @Override |
| protected XmlManyToMany getXmlMapping() { |
| return (XmlManyToMany) super.getXmlMapping(); |
| } |
| |
| public XmlManyToMany getXmlContainer() { |
| return this.getXmlMapping(); |
| } |
| |
| public boolean isOwner() { |
| return this.mappedByStrategy.getMappedByAttribute() == null; |
| } |
| |
| public boolean isOwnedBy(RelationshipMapping mapping) { |
| return this.mappedByStrategy.relationshipIsOwnedBy(mapping); |
| } |
| |
| |
| // ********** validation ********** |
| |
| @Override |
| public void validate(List<IMessage> messages, IReporter reporter) { |
| super.validate(messages, reporter); |
| this.mappedByStrategy.validate(messages, reporter); |
| this.joinTableStrategy.validate(messages, reporter); |
| } |
| } |