/*******************************************************************************
* Copyright (c) 2006, 2015 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
* Stefan Xenos <sxenos@gmail.com> - Bug 335792
*******************************************************************************/
package org.eclipse.core.databinding.observable.map;
import org.eclipse.core.databinding.observable.IObservablesListener;
/**
* Listener for changes to observable maps.
*
* @param <K>
* type of the keys to the map
* @param <V>
* type of the values in the map
* @since 1.0
*
*/
@FunctionalInterface
public interface IMapChangeListener<K, V> extends IObservablesListener {
/**
* Handle a change an observable map. The given event object must only be
* used locally in this method because it may be reused for other change
* notifications. The diff object referenced by the event is immutable and
* may be used non-locally.
*
* @param event
* the event
*/
void handleMapChange(MapChangeEvent<? extends K, ? extends V> event);
}