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/*******************************************************************************
* Copyright (c) 2001, 2004 IBM Corporation and others.
* 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.j2ee.internal.ejb.util;
import org.eclipse.emf.common.notify.Adapter;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.impl.AdapterImpl;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.jst.j2ee.ejb.EJBRelation;
import org.eclipse.jst.j2ee.internal.ejb.impl.EjbFactoryImpl;
public class RelationshipsAttributeMaintenanceAdapter extends AdapterImpl {
/**
* @see org.eclipse.emf.common.notify.impl.AdapterImpl#notifyChanged(Notification)
*/
public void notifyChanged(Notification msg) {
if ((EStructuralFeature)msg.getFeature() == EjbFactoryImpl.getPackage().getRelationships_EjbRelations()) {
switch (msg.getEventType()) {
case Notification.ADD :
addedEJBRelation((EJBRelation) msg.getNewValue(), (EStructuralFeature)msg.getFeature());
break;
case Notification.REMOVE :
removedEJBRelation((EJBRelation) msg.getOldValue(), (EStructuralFeature)msg.getFeature());
break;
}
}
}
private void removedEJBRelation(EJBRelation aRelation, EObject sf) {
Adapter a = getAdapter(aRelation);
if (a != null) {
Notification not = new ENotificationImpl((InternalEObject)aRelation, Notification.REMOVE,(EStructuralFeature) sf, aRelation, null, Notification.NO_INDEX);
a.notifyChanged(not);
}
}
private void addedEJBRelation(EJBRelation aRelation, EObject sf) {
Adapter a = getAdapter(aRelation);
if (a != null) {
Notification not = new ENotificationImpl((InternalEObject)aRelation, Notification.ADD,(EStructuralFeature) sf, null, aRelation, Notification.NO_INDEX);
a.notifyChanged(not);
}
}
private Adapter getAdapter(EObject anObject) {
return EcoreUtil.getAdapter(anObject.eAdapters(),EJBAttributeMaintenanceFactoryImpl.ADAPTER_KEY);
}
}
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