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/*******************************************************************************
* Copyright (c) 2004, 2015 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jface.viewers.deferred;
/**
* Interface for objects that can listen to changes in an IConcurrentModel.
* Elements in an IConcurrentModel are unordered.
*
* @since 3.1
*/
public interface IConcurrentModelListener {
/**
* Called when elements are added to the model
*
* @param added elements added to the model
*/
public void add(Object[] added);
/**
* Called when elements are removed from the model
*
* @param removed elements removed from the model
*/
public void remove(Object[] removed);
/**
* Called when elements in the model have changed
*
* @param changed elements that have changed
*/
public void update(Object[] changed);
/**
* Notifies the receiver about the complete set
* of elements in the model. Most models will
* not call this method unless the listener explicitly
* requests it by calling
* IConcurrentModel.requestUpdate
*
* @param newContents contents of the model
*/
public void setContents(Object[] newContents);
}