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/*******************************************************************************
* Copyright (c) 2009, 2010 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.eclipselink.core.internal.context.orm;
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.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.OrmJoiningStrategy;
import org.eclipse.jpt.core.context.orm.OrmRelationshipReference;
import org.eclipse.jpt.core.internal.context.orm.AbstractOrmOneToManyRelationshipReference;
import org.eclipse.jpt.core.internal.jpa2.context.orm.GenericOrmTargetForiegnKeyJoinColumnJoiningStrategy;
import org.eclipse.jpt.eclipselink.core.resource.orm.XmlOneToMany;
import org.eclipse.jpt.eclipselink.core.v2_0.context.EclipseLinkOneToManyRelationshipReference2_0;
import org.eclipse.jpt.utility.internal.CollectionTools;
public class OrmEclipseLinkOneToManyRelationshipReference
extends AbstractOrmOneToManyRelationshipReference
implements EclipseLinkOneToManyRelationshipReference2_0
{
public OrmEclipseLinkOneToManyRelationshipReference(
OrmEclipseLinkOneToManyMapping parent, XmlOneToMany resource) {
super(parent, resource);
}
@Override
protected OrmJoinColumnJoiningStrategy buildJoinColumnJoiningStrategy() {
return new GenericOrmTargetForiegnKeyJoinColumnJoiningStrategy(this, getResourceMapping());
}
@Override
public void initializeOn(OrmRelationshipReference newRelationshipReference) {
super.initializeOn(newRelationshipReference);
newRelationshipReference.initializeFromJoinColumnEnabledRelationshipReference(this);
}
@Override
public void initializeFromJoinColumnEnabledRelationshipReference(
OrmJoinColumnEnabledRelationshipReference oldRelationshipReference) {
super.initializeFromJoinColumnEnabledRelationshipReference(oldRelationshipReference);
int index = 0;
for (JoinColumn joinColumn :
CollectionTools.iterable(
oldRelationshipReference.getJoinColumnJoiningStrategy().specifiedJoinColumns())) {
OrmJoinColumn newJoinColumn = this.joinColumnJoiningStrategy.addSpecifiedJoinColumn(index++);
newJoinColumn.initializeFrom(joinColumn);
}
}
@Override
public XmlOneToMany getResourceMapping() {
return (XmlOneToMany) super.getResourceMapping();
}
@Override
protected OrmJoiningStrategy calculatePredominantJoiningStrategy() {
if (this.mappedByJoiningStrategy.getMappedByAttribute() != null) {
return this.mappedByJoiningStrategy;
}
else if (this.joinColumnJoiningStrategy.hasSpecifiedJoinColumns()) {
return this.joinColumnJoiningStrategy;
}
else {
return this.joinTableJoiningStrategy;
}
}
// **************** mapped by **********************************************
@Override
public boolean mayBeMappedBy(AttributeMapping mappedByMapping) {
return super.mayBeMappedBy(mappedByMapping) ||
mappedByMapping.getKey() == MappingKeys.ONE_TO_ONE_ATTRIBUTE_MAPPING_KEY;
}
}
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