/*******************************************************************************
* 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.EStructuralFeature;
import org.eclipse.ocl.examples.eventmanager.filters.StructuralFeatureFilter;
/**
* This filter table manages all Registrations containing {@link StructuralFeatureFilter}.
*
* @see org.eclipse.ocl.examples.eventmanager.framework.TableForEventFilter
* @author Daniel Vocke (D044825), Axel Uhl
*/
public class TableForStructuralFeatureFilter extends TableForEventFilter {
public TableForStructuralFeatureFilter(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 (isEmpty() || event.getFeature() == null) {
return null;
}
//TODO check if source obj is the right one
return event.getFeature();
}
@Override
public Class<StructuralFeatureFilter> getIdentifier() {
return StructuralFeatureFilter.class;
}
@Override
protected String criterionToString(Object criterion) {
return ((EStructuralFeature) criterion).getName();
}
}