| /******************************************************************************* |
| * 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); //$NON-NLS-1$ |
| } |
| |
| } |