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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.jpa2.context.orm;
import java.util.List;
import org.eclipse.jpt.core.internal.context.orm.AbstractOrmXmlContextNode;
import org.eclipse.jpt.core.jpa2.context.DerivedIdentityStrategy2_0;
import org.eclipse.jpt.core.jpa2.context.orm.OrmDerivedIdentity2_0;
import org.eclipse.jpt.core.jpa2.context.orm.OrmIdDerivedIdentityStrategy2_0;
import org.eclipse.jpt.core.jpa2.context.orm.OrmMapsIdDerivedIdentityStrategy2_0;
import org.eclipse.jpt.core.jpa2.context.orm.OrmSingleRelationshipMapping2_0;
import org.eclipse.jpt.core.resource.orm.v2_0.XmlSingleRelationshipMapping_2_0;
import org.eclipse.jpt.core.utility.TextRange;
import org.eclipse.wst.validation.internal.provisional.core.IMessage;
import org.eclipse.wst.validation.internal.provisional.core.IReporter;
public class GenericOrmDerivedIdentity2_0
extends AbstractOrmXmlContextNode
implements OrmDerivedIdentity2_0
{
protected XmlSingleRelationshipMapping_2_0 resource;
// cache the strategy for property change notification
protected DerivedIdentityStrategy2_0 cachedPredominantDerivedIdentityStrategy;
protected OrmIdDerivedIdentityStrategy2_0 idDerivedIdentityStrategy;
protected OrmMapsIdDerivedIdentityStrategy2_0 mapsIdDerivedIdentityStrategy;
public GenericOrmDerivedIdentity2_0(
OrmSingleRelationshipMapping2_0 parent, XmlSingleRelationshipMapping_2_0 resource) {
super(parent);
this.resource = resource;
this.idDerivedIdentityStrategy = buildIdDerivedIdentityStrategy();
this.mapsIdDerivedIdentityStrategy = buildMapsIdDerivedIdentityStrategy();
this.cachedPredominantDerivedIdentityStrategy = calculatePredominantDerivedIdentityStrategy();
}
protected OrmIdDerivedIdentityStrategy2_0 buildIdDerivedIdentityStrategy() {
return new GenericOrmIdDerivedIdentityStrategy2_0(this, resource);
}
protected OrmMapsIdDerivedIdentityStrategy2_0 buildMapsIdDerivedIdentityStrategy() {
return new GenericOrmMapsIdDerivedIdentityStrategy2_0(this, resource);
}
public OrmSingleRelationshipMapping2_0 getMapping() {
return (OrmSingleRelationshipMapping2_0) getParent();
}
// **************** predominant joining strategy ***************************
public DerivedIdentityStrategy2_0 getPredominantDerivedIdentityStrategy() {
return this.cachedPredominantDerivedIdentityStrategy;
}
protected void setPredominantJoiningStrategy() {
setPredominantJoiningStrategy(calculatePredominantDerivedIdentityStrategy());
}
protected void setPredominantJoiningStrategy(DerivedIdentityStrategy2_0 newStrategy) {
DerivedIdentityStrategy2_0 oldStrategy = this.cachedPredominantDerivedIdentityStrategy;
this.cachedPredominantDerivedIdentityStrategy = newStrategy;
firePropertyChanged(PREDOMINANT_DERIVED_IDENTITY_STRATEGY_PROPERTY, oldStrategy, newStrategy);
}
// **************** resource -> context ************************************
public void update() {
this.idDerivedIdentityStrategy.update();
this.mapsIdDerivedIdentityStrategy.update();
setPredominantJoiningStrategy(calculatePredominantDerivedIdentityStrategy());
}
protected DerivedIdentityStrategy2_0 calculatePredominantDerivedIdentityStrategy() {
if (this.mapsIdDerivedIdentityStrategy.isSpecified()) {
return this.mapsIdDerivedIdentityStrategy;
}
else if (this.idDerivedIdentityStrategy.isSpecified()) {
return this.idDerivedIdentityStrategy;
}
else {
return null;
}
}
// **************** no strategy *******************************************
public void setNullDerivedIdentityStrategy() {
this.mapsIdDerivedIdentityStrategy.removeStrategy();
this.idDerivedIdentityStrategy.removeStrategy();
setPredominantJoiningStrategy();
}
public boolean usesNullDerivedIdentityStrategy() {
return this.cachedPredominantDerivedIdentityStrategy == null;
}
// **************** maps id strategy **************************************
public OrmMapsIdDerivedIdentityStrategy2_0 getMapsIdDerivedIdentityStrategy() {
return this.mapsIdDerivedIdentityStrategy;
}
public void setMapsIdDerivedIdentityStrategy() {
this.mapsIdDerivedIdentityStrategy.addStrategy();
this.idDerivedIdentityStrategy.removeStrategy();
setPredominantJoiningStrategy();
}
public void unsetMapsIdDerivedIdentityStrategy() {
this.mapsIdDerivedIdentityStrategy.removeStrategy();
setPredominantJoiningStrategy();
}
public boolean usesMapsIdDerivedIdentityStrategy() {
return this.cachedPredominantDerivedIdentityStrategy == this.mapsIdDerivedIdentityStrategy;
}
// **************** id strategy *******************************************
public OrmIdDerivedIdentityStrategy2_0 getIdDerivedIdentityStrategy() {
return this.idDerivedIdentityStrategy;
}
public void setIdDerivedIdentityStrategy() {
this.idDerivedIdentityStrategy.addStrategy();
this.mapsIdDerivedIdentityStrategy.removeStrategy();
setPredominantJoiningStrategy();
}
public void unsetIdDerivedIdentityStrategy() {
this.idDerivedIdentityStrategy.removeStrategy();
setPredominantJoiningStrategy();
}
public boolean usesIdDerivedIdentityStrategy() {
return this.cachedPredominantDerivedIdentityStrategy == this.idDerivedIdentityStrategy;
}
// **************** morphing **********************************************
public void initializeFrom(OrmDerivedIdentity2_0 oldDerivedIdentity) {
this.mapsIdDerivedIdentityStrategy.initializeFrom(oldDerivedIdentity.getMapsIdDerivedIdentityStrategy());
this.idDerivedIdentityStrategy.initializeFrom(oldDerivedIdentity.getIdDerivedIdentityStrategy());
this.cachedPredominantDerivedIdentityStrategy = calculatePredominantDerivedIdentityStrategy();
}
// **************** validation ********************************************
public TextRange getValidationTextRange() {
return getMapping().getValidationTextRange();
}
@Override
public void validate(List<IMessage> messages, IReporter reporter) {
super.validate(messages, reporter);
this.idDerivedIdentityStrategy.validate(messages, reporter);
this.mapsIdDerivedIdentityStrategy.validate(messages, reporter);
}
}
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