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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.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.RelationshipMapping;
import org.eclipse.jpt.core.context.orm.OrmJoinColumnJoiningStrategy;
import org.eclipse.jpt.core.context.orm.OrmJoinTable;
import org.eclipse.jpt.core.context.orm.OrmJoinTableEnabledRelationshipReference;
import org.eclipse.jpt.core.context.orm.OrmJoinTableJoiningStrategy;
import org.eclipse.jpt.core.context.orm.OrmMappedByJoiningStrategy;
import org.eclipse.jpt.core.context.orm.OrmOneToManyMapping;
import org.eclipse.jpt.core.context.orm.OrmOwnableRelationshipReference;
import org.eclipse.jpt.core.context.orm.OrmRelationshipReference;
import org.eclipse.jpt.core.jpa2.context.orm.OrmOneToManyRelationshipReference2_0;
import org.eclipse.jpt.core.resource.orm.XmlOneToMany;
import org.eclipse.wst.validation.internal.provisional.core.IMessage;
import org.eclipse.wst.validation.internal.provisional.core.IReporter;
public abstract class AbstractOrmOneToManyRelationshipReference
extends AbstractOrmRelationshipReference
implements OrmOneToManyRelationshipReference2_0
{
protected OrmMappedByJoiningStrategy mappedByJoiningStrategy;
protected OrmJoinTableJoiningStrategy joinTableJoiningStrategy;
protected OrmJoinColumnJoiningStrategy joinColumnJoiningStrategy;
protected AbstractOrmOneToManyRelationshipReference(
OrmOneToManyMapping parent, XmlOneToMany resource) {
super(parent, resource);
}
@Override
protected void initializeJoiningStrategies() {
this.mappedByJoiningStrategy = buildMappedByJoiningStrategy();
this.joinColumnJoiningStrategy = buildJoinColumnJoiningStrategy();
// initialize join table last, as the existence of a default join
// table is dependent on the other mechanisms (mappedBy)
// not being specified
this.joinTableJoiningStrategy = buildJoinTableJoiningStrategy();
}
protected OrmMappedByJoiningStrategy buildMappedByJoiningStrategy() {
return new GenericOrmMappedByJoiningStrategy(this, getResourceMapping());
}
protected OrmJoinTableJoiningStrategy buildJoinTableJoiningStrategy() {
return new GenericOrmJoinTableJoiningStrategy(this, getResourceMapping());
}
protected abstract OrmJoinColumnJoiningStrategy buildJoinColumnJoiningStrategy();
public void initializeOn(OrmRelationshipReference newRelationshipReference) {
newRelationshipReference.initializeFromOwnableRelationshipReference(this);
newRelationshipReference.initializeFromJoinTableEnabledRelationshipReference(this);
}
@Override
public void initializeFromOwnableRelationshipReference(
OrmOwnableRelationshipReference oldRelationshipReference) {
super.initializeFromOwnableRelationshipReference(oldRelationshipReference);
this.mappedByJoiningStrategy.setMappedByAttribute(
oldRelationshipReference.getMappedByJoiningStrategy().getMappedByAttribute());
}
@Override
public void initializeFromJoinTableEnabledRelationshipReference(
OrmJoinTableEnabledRelationshipReference oldRelationshipReference) {
super.initializeFromJoinTableEnabledRelationshipReference(oldRelationshipReference);
OrmJoinTable oldTable =
oldRelationshipReference.getJoinTableJoiningStrategy().getJoinTable();
if (oldTable != null) {
this.joinTableJoiningStrategy.addJoinTable().initializeFrom(oldTable);
}
}
@Override
public OrmOneToManyMapping getRelationshipMapping() {
return (OrmOneToManyMapping) getParent();
}
public XmlOneToMany getResourceMapping() {
return getRelationshipMapping().getResourceAttributeMapping();
}
public boolean isRelationshipOwner() {
return this.getMappedByJoiningStrategy().getMappedByAttribute() == null;
}
public boolean isOwnedBy(RelationshipMapping mapping) {
return this.mappedByJoiningStrategy.relationshipIsOwnedBy(mapping);
}
@Override
public boolean isTargetForeignKeyRelationship() {
return getJoinColumnJoiningStrategy().isTargetForeignKeyRelationship();
}
// **************** mapped by **********************************************
public OrmMappedByJoiningStrategy getMappedByJoiningStrategy() {
return this.mappedByJoiningStrategy;
}
public final void setMappedByJoiningStrategy() {
setMappedByJoiningStrategy_();
setPredominantJoiningStrategy();
}
protected void setMappedByJoiningStrategy_() {
this.mappedByJoiningStrategy.addStrategy();
this.joinTableJoiningStrategy.removeStrategy();
this.joinColumnJoiningStrategy.removeStrategy();
}
public final void unsetMappedByJoiningStrategy() {
unsetMappedByJoiningStrategy_();
setPredominantJoiningStrategy();
}
protected void unsetMappedByJoiningStrategy_() {
this.mappedByJoiningStrategy.removeStrategy();
}
public boolean usesMappedByJoiningStrategy() {
return this.getPredominantJoiningStrategy() == this.mappedByJoiningStrategy;
}
public boolean mayBeMappedBy(AttributeMapping mappedByMapping) {
return mappedByMapping.getKey() == MappingKeys.MANY_TO_ONE_ATTRIBUTE_MAPPING_KEY;
}
// **************** join table *********************************************
public OrmJoinTableJoiningStrategy getJoinTableJoiningStrategy() {
return this.joinTableJoiningStrategy;
}
public boolean usesJoinTableJoiningStrategy() {
return getPredominantJoiningStrategy() == this.joinTableJoiningStrategy;
}
public final void setJoinTableJoiningStrategy() {
setJoinTableJoiningStrategy_();
setPredominantJoiningStrategy();
}
protected void setJoinTableJoiningStrategy_() {
// join table is default, so no need to add to resource
this.mappedByJoiningStrategy.removeStrategy();
this.joinColumnJoiningStrategy.removeStrategy();
}
public final void unsetJoinTableJoiningStrategy() {
unsetJoinTableJoiningStrategy_();
setPredominantJoiningStrategy();
}
protected void unsetJoinTableJoiningStrategy_() {
this.joinTableJoiningStrategy.removeStrategy();
}
public boolean mayHaveDefaultJoinTable() {
return this.mappedByJoiningStrategy.getMappedByAttribute() == null
&& ! this.joinColumnJoiningStrategy.hasSpecifiedJoinColumns();
}
// **************** join columns *******************************************
public OrmJoinColumnJoiningStrategy getJoinColumnJoiningStrategy() {
return this.joinColumnJoiningStrategy;
}
public boolean usesJoinColumnJoiningStrategy() {
return getPredominantJoiningStrategy() == this.joinColumnJoiningStrategy;
}
public void setJoinColumnJoiningStrategy() {
this.joinColumnJoiningStrategy.addStrategy();
this.mappedByJoiningStrategy.removeStrategy();
this.joinTableJoiningStrategy.removeStrategy();
setPredominantJoiningStrategy();
}
public void unsetJoinColumnJoiningStrategy() {
this.joinColumnJoiningStrategy.removeStrategy();
setPredominantJoiningStrategy();
}
public boolean mayHaveDefaultJoinColumn() {
return false;
}
// **************** resource => context ************************************
@Override
protected void updateJoiningStrategies() {
this.mappedByJoiningStrategy.update();
this.joinColumnJoiningStrategy.update();
// update join table last, as the existence of a default join
// table is dependent on the other mechanisms (mappedBy)
// not being specified
this.joinTableJoiningStrategy.update();
}
// **************** Validation *********************************************
@Override
public void validate(List<IMessage> messages, IReporter reporter) {
super.validate(messages, reporter);
this.mappedByJoiningStrategy.validate(messages, reporter);
this.joinTableJoiningStrategy.validate(messages, reporter);
this.joinColumnJoiningStrategy.validate(messages, reporter);
}
}
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