/*******************************************************************************
* Copyright (c) 2008-2011 Chair for Applied Software Engineering,
* Technische Universitaet Muenchen.
* 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:
******************************************************************************/
package org.eclipse.emf.emfstore.client.model.changeTracking.notification.filter;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.emfstore.client.model.changeTracking.notification.NotificationInfo;
import org.eclipse.emf.emfstore.common.model.util.ModelUtil;
/**
* Filters notifications which come from datatypes that should be ignored.
*
* @author emueller
*/
public class IgnoreDatatypeFilter implements NotificationFilter {
/**
* {@inheritDoc}
*
* @see org.eclipse.emf.emfstore.client.model.changeTracking.notification.filter.NotificationFilter#check(org.eclipse.emf.emfstore.client.model.changeTracking.notification.NotificationInfo)
*/
public boolean check(NotificationInfo notificationInfo) {
Object newValue = notificationInfo.getNewValue();
Object oldValue = notificationInfo.getOldValue();
Object notifier = notificationInfo.getNotifier();
boolean ignore = false;
if (newValue != null && newValue instanceof EObject) {
ignore = ModelUtil.isIgnoredDatatype((EObject) newValue);
}
if (oldValue != null && oldValue instanceof EObject) {
ignore = ignore || ModelUtil.isIgnoredDatatype((EObject) oldValue);
}
if (notifier != null && notifier instanceof EObject) {
ignore = ignore || ModelUtil.isIgnoredDatatype((EObject) notifier);
}
return ignore;
}
}