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/*******************************************************************************
* Copyright (c) 2007, 2008 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:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.utility.model.listener;
import org.eclipse.jpt.utility.model.event.CollectionChangeEvent;
/**
* A "collection change" event gets fired whenever a model changes a "bound"
* collection. You can register a CollectionChangeListener with a source
* model so as to be notified of any bound collection updates.
*
* Provisional API: This interface is part of an interim API that is still
* under development and expected to change significantly before reaching
* stability. It is available at this early stage to solicit feedback from
* pioneering adopters on the understanding that any code that uses this API
* will almost certainly be broken (repeatedly) as the API evolves.
*/
public interface CollectionChangeListener extends ChangeListener {
/**
* This method gets called when items are added to a bound collection.
*
* @param event A CollectionChangeEvent describing the event source,
* the collection that changed, and the items that were added.
*/
void itemsAdded(CollectionChangeEvent event);
/**
* This method gets called when items are removed from a bound collection.
*
* @param event A CollectionChangeEvent describing the event source,
* the collection that changed, and the items that were removed.
*/
void itemsRemoved(CollectionChangeEvent event);
/**
* This method gets called when a bound collection is cleared.
*
* @param event A CollectionChangeEvent describing the event source
* and the collection that changed.
*/
void collectionCleared(CollectionChangeEvent event);
/**
* This method gets called when a bound collection is changed in a manner
* that is not easily characterized by the other methods in this interface.
*
* @param event A CollectionChangeEvent describing the event source
* and the collection that changed.
*/
void collectionChanged(CollectionChangeEvent event);
}
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