| /******************************************************************************* |
| * 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.ReadOnlyJoinColumnRelationship; |
| 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.OrmJoinColumnRelationshipStrategy; |
| import org.eclipse.jpt.jpa.core.context.orm.OrmJoinTableRelationshipStrategy; |
| import org.eclipse.jpt.jpa.core.context.orm.OrmMappedByRelationshipStrategy; |
| import org.eclipse.jpt.jpa.core.context.orm.OrmOneToOneMapping; |
| import org.eclipse.jpt.jpa.core.context.orm.OrmPrimaryKeyJoinColumnRelationshipStrategy; |
| import org.eclipse.jpt.jpa.core.context.orm.OrmRelationshipStrategy; |
| import org.eclipse.jpt.jpa.core.jpa2.context.orm.OrmOneToOneRelationship2_0; |
| import org.eclipse.jpt.jpa.core.resource.orm.XmlOneToOne; |
| import org.eclipse.wst.validation.internal.provisional.core.IMessage; |
| import org.eclipse.wst.validation.internal.provisional.core.IReporter; |
| |
| public class GenericOrmOneToOneRelationship |
| extends AbstractOrmMappingRelationship<OrmOneToOneMapping> |
| implements OrmOneToOneRelationship2_0 |
| { |
| protected final OrmMappedByRelationshipStrategy mappedByStrategy; |
| |
| protected final OrmPrimaryKeyJoinColumnRelationshipStrategy primaryKeyJoinColumnStrategy; |
| |
| // JPA 2.0 |
| protected final OrmJoinTableRelationshipStrategy joinTableStrategy; |
| |
| protected final OrmJoinColumnRelationshipStrategy joinColumnStrategy; |
| |
| |
| public GenericOrmOneToOneRelationship(OrmOneToOneMapping parent) { |
| super(parent); |
| this.mappedByStrategy = this.buildMappedByStrategy(); |
| this.primaryKeyJoinColumnStrategy = this.buildPrimaryKeyJoinColumnStrategy(); |
| this.joinTableStrategy = this.buildJoinTableStrategy(); |
| this.joinColumnStrategy = this.buildJoinColumnStrategy(); |
| |
| this.strategy = this.buildStrategy(); |
| } |
| |
| |
| // ********** synchronize/update ********** |
| |
| @Override |
| public void synchronizeWithResourceModel() { |
| super.synchronizeWithResourceModel(); |
| this.mappedByStrategy.synchronizeWithResourceModel(); |
| this.primaryKeyJoinColumnStrategy.synchronizeWithResourceModel(); |
| this.joinTableStrategy.synchronizeWithResourceModel(); |
| this.joinColumnStrategy.synchronizeWithResourceModel(); |
| } |
| |
| @Override |
| public void update() { |
| super.update(); |
| this.mappedByStrategy.update(); |
| this.primaryKeyJoinColumnStrategy.update(); |
| this.joinTableStrategy.update(); |
| this.joinColumnStrategy.update(); |
| } |
| |
| |
| // ********** strategy ********** |
| |
| @Override |
| protected OrmRelationshipStrategy buildStrategy() { |
| if (this.mappedByStrategy.getMappedByAttribute() != null) { |
| return this.mappedByStrategy; |
| } |
| if (this.primaryKeyJoinColumnStrategy.hasPrimaryKeyJoinColumns()) { |
| return this.primaryKeyJoinColumnStrategy; |
| } |
| if (this.isJpa2_0Compatible()) { |
| if (this.joinTableStrategy.getJoinTable() != null){ |
| return this.joinTableStrategy; |
| } |
| } |
| return this.joinColumnStrategy; |
| } |
| |
| |
| // ********** mapped by strategy ********** |
| |
| public OrmMappedByRelationshipStrategy getMappedByStrategy() { |
| return this.mappedByStrategy; |
| } |
| |
| public boolean strategyIsMappedBy() { |
| return this.strategy == this.mappedByStrategy; |
| } |
| |
| public void setStrategyToMappedBy() { |
| this.mappedByStrategy.addStrategy(); |
| this.joinColumnStrategy.removeStrategy(); |
| this.primaryKeyJoinColumnStrategy.removeStrategy(); |
| this.joinTableStrategy.removeStrategy(); |
| this.updateStrategy(); |
| } |
| |
| public boolean mayBeMappedBy(AttributeMapping mapping) { |
| return mapping.getKey() == MappingKeys.ONE_TO_ONE_ATTRIBUTE_MAPPING_KEY; |
| } |
| |
| protected OrmMappedByRelationshipStrategy buildMappedByStrategy() { |
| return new GenericOrmMappedByRelationshipStrategy(this); |
| } |
| |
| |
| // ********** primary key join column strategy ********** |
| |
| public OrmPrimaryKeyJoinColumnRelationshipStrategy getPrimaryKeyJoinColumnStrategy() { |
| return this.primaryKeyJoinColumnStrategy; |
| } |
| |
| public boolean strategyIsPrimaryKeyJoinColumn() { |
| return this.strategy == this.primaryKeyJoinColumnStrategy; |
| } |
| |
| public void setStrategyToPrimaryKeyJoinColumn() { |
| this.primaryKeyJoinColumnStrategy.addStrategy(); |
| this.mappedByStrategy.removeStrategy(); |
| this.joinColumnStrategy.removeStrategy(); |
| this.joinTableStrategy.removeStrategy(); |
| this.updateStrategy(); |
| } |
| |
| protected OrmPrimaryKeyJoinColumnRelationshipStrategy buildPrimaryKeyJoinColumnStrategy() { |
| return new GenericOrmPrimaryKeyJoinColumnRelationshipStrategy(this); |
| } |
| |
| |
| // ********** join table strategy ********** |
| |
| public OrmJoinTableRelationshipStrategy getJoinTableStrategy() { |
| return this.joinTableStrategy; |
| } |
| |
| public boolean strategyIsJoinTable() { |
| return this.strategy == this.joinTableStrategy; |
| } |
| |
| public void setStrategyToJoinTable() { |
| this.joinTableStrategy.addStrategy(); |
| this.mappedByStrategy.removeStrategy(); |
| this.joinColumnStrategy.removeStrategy(); |
| this.primaryKeyJoinColumnStrategy.removeStrategy(); |
| this.updateStrategy(); |
| } |
| |
| public boolean mayHaveDefaultJoinTable() { |
| return false; |
| } |
| |
| protected OrmJoinTableRelationshipStrategy buildJoinTableStrategy() { |
| return this.isJpa2_0Compatible() ? |
| new GenericOrmMappingJoinTableRelationshipStrategy(this) : |
| new NullOrmJoinTableRelationshipStrategy(this); |
| } |
| |
| |
| // ********** join column strategy ********** |
| |
| public OrmJoinColumnRelationshipStrategy getJoinColumnStrategy() { |
| return this.joinColumnStrategy; |
| } |
| |
| public boolean strategyIsJoinColumn() { |
| return this.strategy == this.joinColumnStrategy; |
| } |
| |
| public void setStrategyToJoinColumn() { |
| // join column strategy is the default; so no need to add stuff, |
| // just remove all the others |
| this.mappedByStrategy.removeStrategy(); |
| this.primaryKeyJoinColumnStrategy.removeStrategy(); |
| this.joinTableStrategy.removeStrategy(); |
| this.updateStrategy(); |
| } |
| |
| public boolean mayHaveDefaultJoinColumn() { |
| return (this.mappedByStrategy.getMappedByAttribute() == null) && |
| (this.primaryKeyJoinColumnStrategy.primaryKeyJoinColumnsSize() == 0) && |
| (this.joinTableStrategy.getJoinTable() == null); |
| } |
| |
| protected OrmJoinColumnRelationshipStrategy buildJoinColumnStrategy() { |
| return new GenericOrmMappingJoinColumnRelationshipStrategy(this); |
| } |
| |
| |
| // ********** conversions ********** |
| |
| public void initializeOn(Relationship newRelationship) { |
| newRelationship.initializeFromMappedByRelationship(this); |
| newRelationship.initializeFromJoinTableRelationship(this); |
| newRelationship.initializeFromJoinColumnRelationship(this); |
| // no other pk join column relationships yet |
| } |
| |
| @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()); |
| } |
| |
| @Override |
| public void initializeFromJoinColumnRelationship(ReadOnlyJoinColumnRelationship oldRelationship) { |
| super.initializeFromJoinColumnRelationship(oldRelationship); |
| this.joinColumnStrategy.initializeFrom(oldRelationship.getJoinColumnStrategy()); |
| } |
| |
| |
| // ********** misc ********** |
| |
| @Override |
| protected XmlOneToOne getXmlMapping() { |
| return (XmlOneToOne) super.getXmlMapping(); |
| } |
| |
| public XmlOneToOne 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.primaryKeyJoinColumnStrategy.validate(messages, reporter); |
| this.joinTableStrategy.validate(messages, reporter); |
| this.joinColumnStrategy.validate(messages, reporter); |
| } |
| } |