/*******************************************************************************
* Copyright (c) 2006, 2007 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.core.databinding.observable.set;
import org.eclipse.core.databinding.observable.IObservablesListener;
import org.eclipse.core.databinding.observable.ObservableEvent;
/**
* List change event describing an incremental change of an
* {@link IObservableSet} object.
*
* @since 1.0
*
*/
public class SetChangeEvent extends ObservableEvent {
/**
*
*/
private static final long serialVersionUID = 7436547103857482256L;
static final Object TYPE = new Object();
/**
* Description of the change to the source observable set. Listeners must
* not change this field.
*/
public SetDiff diff;
/**
* Creates a new set change event.
*
* @param source
* the source observable set
* @param diff
* the set change
*/
public SetChangeEvent(IObservableSet source, SetDiff diff) {
super(source);
this.diff = diff;
}
/**
* Returns the observable set from which this event originated.
*
* @return the observable set from which this event originated
*/
public IObservableSet getObservableSet() {
return (IObservableSet) getSource();
}
protected void dispatch(IObservablesListener listener) {
((ISetChangeListener) listener).handleSetChange(this);
}
protected Object getListenerType() {
return TYPE;
}
}