/******************************************************************************
* Copyright (c) 2014 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:
* Konstantin Komissarchik - initial implementation and ongoing maintenance
******************************************************************************/
package org.eclipse.sapphire.modeling;
import org.eclipse.sapphire.Element;
import org.eclipse.sapphire.Event;
import org.eclipse.sapphire.PropertyEvent;
import org.eclipse.sapphire.services.ServiceEvent;
/**
* @author <a href="mailto:konstantin.komissarchik@oracle.com">Konstantin Komissarchik</a>
*/
public final class ElementDisposeEvent extends ElementEvent
{
public ElementDisposeEvent( final Element element )
{
super( element );
}
@Override
public boolean supersedes( final Event event )
{
// When a dispose event is issued on an element, it makes irrelevant all other outstanding
// events on that element.
final Element element = element();
if( event instanceof ElementEvent )
{
if( ( (ElementEvent) event ).element() == element )
{
return true;
}
}
else if( event instanceof PropertyEvent )
{
if( ( (PropertyEvent) event ).property().element() == element )
{
return true;
}
}
else if( event instanceof ServiceEvent )
{
if( ( (ServiceEvent) event ).service().context( Element.class ) == element )
{
return true;
}
}
return false;
}
}