/*******************************************************************************
* Copyright (c) 2009, 2014 SAP AG 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:
* SAP AG - initial API and implementation
******************************************************************************/
package org.eclipse.ocl.examples.eventmanager.framework;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EReference;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.ocl.examples.eventmanager.filters.ContainmentFilter;
import org.eclipse.ocl.examples.eventmanager.filters.StructuralFeatureFilter;
/**
* The AttributeFilterTable manages all Registrations containing {@link StructuralFeatureFilter}.
*
* @see org.eclipse.ocl.examples.eventmanager.framework.TableForEventFilter
* @author Daniel Vocke (D044825)
*/
public class TableForContainmentFilter extends TableForEventFilter {
public TableForContainmentFilter(int numberOfFilterTables) {
super(numberOfFilterTables);
}
/**
* @return the affected meta object of <code>AttributeValueEvents</code>. If the event is not of type
* <code>AttributeValueEvent</code>, <code>null</code> is returned.
*/
public Object getAffectedObject(Notification event) {
if(event.getFeature()==null && (event.getNotifier() instanceof Resource))
return true;
if (isEmpty() || !(event.getFeature()!=null && event.getFeature() instanceof EReference))
return null;
//TODO check if source obj is the right one
return ((EReference)event.getFeature()).isContainment();
}
@Override
public Class<ContainmentFilter> getIdentifier() {
return ContainmentFilter.class;
}
}