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/*******************************************************************************
* Copyright (c) 2007 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.content.orm.resource;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.jpt.core.internal.content.orm.OrmPackage;
import org.eclipse.jpt.core.internal.content.orm.resource.AssociationOverrideTranslator.AssociationOverrideBuilder;
import org.eclipse.wst.common.internal.emf.resource.MultiObjectTranslator;
import org.eclipse.wst.common.internal.emf.resource.Translator;
/**
* Created this class so there would be a 1-1 association between
* AssociationOverride and AssociationOverrideTranslator. Without this the state
* stored on AssociationOverrideTranslator will be invalid for multiple AssociationOverrides.
* see bug 188901.
*
* TODO 189767 - memory leak if an associationOverride is removed from the model, it is still
* stored along with its translator in the translator map
*/
public class AssociationOverridesTranslator extends MultiObjectTranslator implements OrmXmlMapper
{
private AssociationOverrideBuilder associationOverrideBuilder;
private Map<EObject, AssociationOverrideTranslator> translatorMap;
public AssociationOverridesTranslator(String domNameAndPath, EStructuralFeature aFeature, AssociationOverrideBuilder associationOverrideBuilder) {
super(domNameAndPath, aFeature);
this.associationOverrideBuilder = associationOverrideBuilder;
this.translatorMap = new HashMap<EObject, AssociationOverrideTranslator>();
}
@Override
public EObject createEMFObject(String nodeName, String readAheadName) {
AssociationOverrideTranslator translator = (AssociationOverrideTranslator) getDelegateFor(nodeName, readAheadName);
EObject eObject = translator.createEMFObject(nodeName, readAheadName);
this.translatorMap.put(eObject, translator);
return eObject;
}
/* (non-Javadoc)
* @see MultiObjectTranslator#getDelegateFor(EObject)
*/
@Override
public Translator getDelegateFor(EObject o) {
Translator translator = translatorMap.get(o);
if (translator != null) {
return translator;
}
switch (o.eClass().getClassifierID()) {
case OrmPackage.XML_ASSOCIATION_OVERRIDE :
return new AssociationOverrideTranslator(this.domNameAndPath, getFeature(), this.associationOverrideBuilder);
}
return null;
}
@Override
public Translator getDelegateFor(String domName, String readAheadName) {
if (domName.equals(ENTITY__ASSOCIATION_OVERRIDE)) {
return new AssociationOverrideTranslator(this.domNameAndPath, getFeature(), this.associationOverrideBuilder);
}
throw new IllegalStateException("Illegal dom name: " + domName); //$NON-NLS-1$
}
}
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