/*******************************************************************************
* Copyright (c) 1998, 2015 Oracle and/or its affiliates. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Oracle - initial API and implementation from Oracle TopLink
******************************************************************************/
package org.eclipse.persistence.internal.descriptors.changetracking;
import java.beans.*;
/**
* <p>
* <b>Purpose</b>: Define a listener for object change tracking.
* <p>
* <b>Description</b>: Listener is notified on a PropertyChangeEvent from the object it belongs to.
* <p>
* <b>Responsibilities</b>: Set the flag to true when there is any change in the object.
* <ul>
* </ul>
*/
public class AggregateObjectChangeListener extends ObjectChangeListener {
protected ObjectChangeListener parentListener;
protected String parentAttributeName;
/**
* INTERNAL:
* Create a ObjectChangeListener
*/
public AggregateObjectChangeListener(ObjectChangeListener parentListener, String parentAttribute) {
super();
this.parentListener = parentListener;
this.parentAttributeName = parentAttribute;
}
/**
* PUBLIC:
* This method turns marks the object as changed.
*/
public void internalPropertyChange(PropertyChangeEvent evt) {
hasChanges = true;
this.parentListener.internalPropertyChange(new PropertyChangeEvent(evt.getSource(), this.parentAttributeName, evt.getOldValue(), evt.getNewValue()));
}
}