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/*******************************************************************************
* 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.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.OrmManyToOneMapping;
import org.eclipse.jpt.jpa.core.context.orm.OrmRelationshipStrategy;
import org.eclipse.jpt.jpa.core.jpa2.context.orm.OrmManyToOneRelationship2_0;
import org.eclipse.jpt.jpa.core.resource.orm.XmlManyToOne;
import org.eclipse.wst.validation.internal.provisional.core.IMessage;
import org.eclipse.wst.validation.internal.provisional.core.IReporter;
public class GenericOrmManyToOneRelationship
extends AbstractOrmMappingRelationship<OrmManyToOneMapping>
implements OrmManyToOneRelationship2_0
{
protected final OrmJoinColumnRelationshipStrategy joinColumnStrategy;
// JPA 2.0
protected final OrmJoinTableRelationshipStrategy joinTableStrategy;
public GenericOrmManyToOneRelationship(OrmManyToOneMapping parent) {
super(parent);
this.joinColumnStrategy = this.buildJoinColumnStrategy();
this.joinTableStrategy = this.buildJoinTableStrategy();
this.strategy = this.buildStrategy();
}
// ********** synchronize/update **********
@Override
public void synchronizeWithResourceModel() {
super.synchronizeWithResourceModel();
this.joinColumnStrategy.synchronizeWithResourceModel();
this.joinTableStrategy.synchronizeWithResourceModel();
}
@Override
public void update() {
super.update();
this.joinColumnStrategy.update();
this.joinTableStrategy.update();
}
// ********** strategy **********
@Override
protected OrmRelationshipStrategy buildStrategy() {
if (this.isJpa2_0Compatible()) {
if (this.joinTableStrategy.getJoinTable() != null){
return this.joinTableStrategy;
}
}
return this.joinColumnStrategy;
}
// ********** join table strategy **********
public OrmJoinTableRelationshipStrategy getJoinTableStrategy() {
return this.joinTableStrategy;
}
public boolean strategyIsJoinTable() {
return this.strategy == this.joinTableStrategy;
}
public void setStrategyToJoinTable() {
this.joinTableStrategy.addStrategy();
this.joinColumnStrategy.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.joinTableStrategy.removeStrategy();
this.updateStrategy();
}
public boolean mayHaveDefaultJoinColumn() {
return this.joinTableStrategy.getJoinTable() == null;
}
protected OrmJoinColumnRelationshipStrategy buildJoinColumnStrategy() {
return new GenericOrmMappingJoinColumnRelationshipStrategy(this);
}
// ********** conversions **********
public void initializeOn(Relationship newRelationship) {
newRelationship.initializeFromJoinColumnRelationship(this);
newRelationship.initializeFromJoinTableRelationship(this);
}
@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 XmlManyToOne getXmlMapping() {
return (XmlManyToOne) super.getXmlMapping();
}
public XmlManyToOne getXmlContainer() {
return this.getXmlMapping();
}
public boolean isOwner() {
return true;
}
public boolean isOwnedBy(RelationshipMapping mapping) {
return false;
}
// ********** validation **********
@Override
public void validate(List<IMessage> messages, IReporter reporter) {
super.validate(messages, reporter);
this.joinColumnStrategy.validate(messages, reporter);
this.joinTableStrategy.validate(messages, reporter);
}
}
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