| /******************************************************************************* |
| * Copyright (c) 2009 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 java.util.List; |
| import org.eclipse.jpt.core.MappingKeys; |
| import org.eclipse.jpt.core.context.AttributeMapping; |
| import org.eclipse.jpt.core.context.JoinColumn; |
| import org.eclipse.jpt.core.context.JoiningStrategy; |
| import org.eclipse.jpt.core.context.RelationshipMapping; |
| import org.eclipse.jpt.core.context.orm.OrmJoinColumn; |
| import org.eclipse.jpt.core.context.orm.OrmJoinColumnEnabledRelationshipReference; |
| import org.eclipse.jpt.core.context.orm.OrmJoinColumnJoiningStrategy; |
| import org.eclipse.jpt.core.context.orm.OrmJoinTableEnabledRelationshipReference; |
| import org.eclipse.jpt.core.context.orm.OrmMappedByJoiningStrategy; |
| import org.eclipse.jpt.core.context.orm.OrmOneToOneMapping; |
| import org.eclipse.jpt.core.context.orm.OrmOneToOneRelationshipReference; |
| import org.eclipse.jpt.core.context.orm.OrmOwnableRelationshipReference; |
| import org.eclipse.jpt.core.context.orm.OrmPrimaryKeyJoinColumnJoiningStrategy; |
| import org.eclipse.jpt.core.context.orm.OrmRelationshipReference; |
| import org.eclipse.jpt.core.resource.orm.XmlOneToOne; |
| import org.eclipse.jpt.utility.internal.CollectionTools; |
| import org.eclipse.wst.validation.internal.provisional.core.IMessage; |
| import org.eclipse.wst.validation.internal.provisional.core.IReporter; |
| |
| public class GenericOrmOneToOneRelationshipReference |
| extends AbstractOrmRelationshipReference |
| implements OrmOneToOneRelationshipReference |
| { |
| protected OrmMappedByJoiningStrategy mappedByJoiningStrategy; |
| |
| protected OrmJoinColumnJoiningStrategy joinColumnJoiningStrategy; |
| |
| protected OrmPrimaryKeyJoinColumnJoiningStrategy primaryKeyJoinColumnJoiningStrategy; |
| |
| |
| public GenericOrmOneToOneRelationshipReference( |
| OrmOneToOneMapping parent, XmlOneToOne resource) { |
| super(parent, resource); |
| } |
| |
| |
| @Override |
| protected void initializeJoiningStrategies() { |
| this.mappedByJoiningStrategy = buildMappedByJoiningStrategy(); |
| this.primaryKeyJoinColumnJoiningStrategy = buildPrimaryKeyJoinColumnJoiningStrategy(); |
| |
| // initialize join columns last, as the existence of a default join |
| // column is dependent on the other mechanisms (mappedBy, join table) |
| // not being specified |
| this.joinColumnJoiningStrategy = buildJoinColumnJoiningStrategy(); |
| } |
| |
| protected OrmMappedByJoiningStrategy buildMappedByJoiningStrategy() { |
| return new GenericOrmMappedByJoiningStrategy(this, getResourceMapping()); |
| } |
| |
| protected OrmJoinColumnJoiningStrategy buildJoinColumnJoiningStrategy() { |
| return new GenericOrmJoinColumnJoiningStrategy(this, getResourceMapping()); |
| } |
| |
| protected OrmPrimaryKeyJoinColumnJoiningStrategy buildPrimaryKeyJoinColumnJoiningStrategy() { |
| return new GenericOrmPrimaryKeyJoinColumnJoiningStrategy(this, getResourceMapping()); |
| } |
| |
| public void initializeOn(OrmRelationshipReference newRelationshipReference) { |
| newRelationshipReference.initializeFromOwnableRelationshipReference(this); |
| newRelationshipReference.initializeFromJoinColumnEnabledRelationshipReference(this); |
| // no other primary key reference as of yet, so no initialization based on pk join columns |
| } |
| |
| @Override |
| public void initializeFromOwnableRelationshipReference( |
| OrmOwnableRelationshipReference oldRelationshipReference) { |
| this.mappedByJoiningStrategy.setMappedByAttribute( |
| oldRelationshipReference.getMappedByJoiningStrategy().getMappedByAttribute()); |
| } |
| |
| @Override |
| public void initializeFromJoinColumnEnabledRelationshipReference( |
| OrmJoinColumnEnabledRelationshipReference oldRelationshipReference) { |
| int index = 0; |
| for (JoinColumn joinColumn : |
| CollectionTools.iterable( |
| oldRelationshipReference.getJoinColumnJoiningStrategy().specifiedJoinColumns())) { |
| OrmJoinColumn newJoinColumn = getJoinColumnJoiningStrategy().addSpecifiedJoinColumn(index++); |
| newJoinColumn.initializeFrom(joinColumn); |
| } |
| } |
| |
| @Override |
| public void initializeFromJoinTableEnabledRelationshipReference( |
| OrmJoinTableEnabledRelationshipReference oldRelationshipReference) { |
| // TODO no join table context model support as of yet |
| |
| } |
| |
| @Override |
| public OrmOneToOneMapping getRelationshipMapping() { |
| return (OrmOneToOneMapping) getParent(); |
| } |
| |
| public XmlOneToOne getResourceMapping() { |
| return getRelationshipMapping().getResourceAttributeMapping(); |
| } |
| |
| public boolean isRelationshipOwner() { |
| return this.mappedByJoiningStrategy.getMappedByAttribute() == null; |
| } |
| |
| public boolean isOwnedBy(RelationshipMapping mapping) { |
| return this.mappedByJoiningStrategy.relationshipIsOwnedBy(mapping); |
| } |
| |
| @Override |
| protected JoiningStrategy calculatePredominantJoiningStrategy() { |
| if (this.mappedByJoiningStrategy.getMappedByAttribute() != null) { |
| return this.mappedByJoiningStrategy; |
| } |
| else if (this.primaryKeyJoinColumnJoiningStrategy.primaryKeyJoinColumnsSize() > 0) { |
| return this.primaryKeyJoinColumnJoiningStrategy; |
| } |
| else { |
| return this.joinColumnJoiningStrategy; |
| } |
| } |
| |
| |
| // **************** mapped by ********************************************** |
| |
| public OrmMappedByJoiningStrategy getMappedByJoiningStrategy() { |
| return this.mappedByJoiningStrategy; |
| } |
| |
| public boolean usesMappedByJoiningStrategy() { |
| return getPredominantJoiningStrategy() == this.mappedByJoiningStrategy; |
| } |
| |
| public void setMappedByJoiningStrategy() { |
| this.mappedByJoiningStrategy.addStrategy(); |
| this.joinColumnJoiningStrategy.removeStrategy(); |
| this.primaryKeyJoinColumnJoiningStrategy.removeStrategy(); |
| } |
| |
| public void unsetMappedByJoiningStrategy() { |
| this.mappedByJoiningStrategy.removeStrategy(); |
| } |
| |
| public boolean mayBeMappedBy(AttributeMapping mappedByMapping) { |
| return mappedByMapping.getKey() == MappingKeys.ONE_TO_ONE_ATTRIBUTE_MAPPING_KEY; |
| } |
| |
| |
| // **************** join columns ******************************************* |
| |
| public OrmJoinColumnJoiningStrategy getJoinColumnJoiningStrategy() { |
| return this.joinColumnJoiningStrategy; |
| } |
| |
| public boolean usesJoinColumnJoiningStrategy() { |
| return getPredominantJoiningStrategy() == this.joinColumnJoiningStrategy; |
| } |
| |
| public void setJoinColumnJoiningStrategy() { |
| this.mappedByJoiningStrategy.removeStrategy(); |
| this.primaryKeyJoinColumnJoiningStrategy.removeStrategy(); |
| // join columns are default, so no need to add annotations |
| } |
| |
| public void unsetJoinColumnJoiningStrategy() { |
| this.joinColumnJoiningStrategy.removeStrategy(); |
| } |
| |
| public boolean mayHaveDefaultJoinColumn() { |
| return this.getMappedByJoiningStrategy().getMappedByAttribute() == null |
| && this.getPrimaryKeyJoinColumnJoiningStrategy().primaryKeyJoinColumnsSize() == 0; |
| } |
| |
| |
| // **************** primary key join columns ******************************* |
| |
| public OrmPrimaryKeyJoinColumnJoiningStrategy getPrimaryKeyJoinColumnJoiningStrategy() { |
| return this.primaryKeyJoinColumnJoiningStrategy; |
| } |
| |
| public boolean usesPrimaryKeyJoinColumnJoiningStrategy() { |
| return getPredominantJoiningStrategy() == this.primaryKeyJoinColumnJoiningStrategy; |
| } |
| |
| public void setPrimaryKeyJoinColumnJoiningStrategy() { |
| this.primaryKeyJoinColumnJoiningStrategy.addStrategy(); |
| this.mappedByJoiningStrategy.removeStrategy(); |
| this.joinColumnJoiningStrategy.removeStrategy(); |
| } |
| |
| public void unsetPrimaryKeyJoinColumnJoiningStrategy() { |
| this.primaryKeyJoinColumnJoiningStrategy.removeStrategy(); |
| } |
| |
| public boolean mayHaveDefaultPrimaryKeyJoinColumn() { |
| return false; |
| } |
| |
| |
| // **************** resource => context ************************************ |
| |
| @Override |
| protected void updateJoiningStrategies() { |
| this.mappedByJoiningStrategy.update(); |
| this.primaryKeyJoinColumnJoiningStrategy.update(); |
| |
| // update join columns last, as the existence of a default join |
| // column is dependent on the other mechanisms (mappedBy, join table) |
| // not being specified |
| this.joinColumnJoiningStrategy.update(); |
| } |
| |
| |
| // **************** Validation ********************************************* |
| |
| @Override |
| public void validate(List<IMessage> messages, IReporter reporter) { |
| super.validate(messages, reporter); |
| this.mappedByJoiningStrategy.validate(messages, reporter); |
| this.primaryKeyJoinColumnJoiningStrategy.validate(messages, reporter); |
| this.joinColumnJoiningStrategy.validate(messages, reporter); |
| } |
| } |