All Downloads are FREE. Search and download functionalities are using the official Maven repository.

org.eclipse.persistence.internal.descriptors.changetracking.AggregateObjectChangeListener Maven / Gradle / Ivy

There is a newer version: 4.0.3
Show newest version
/*******************************************************************************
 * Copyright (c) 1998, 2013 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.*;

/**
 * 

* Purpose: Define a listener for object change tracking. *

* Description: Listener is notified on a PropertyChangeEvent from the object it belongs to. *

* Responsibilities: Set the flag to true when there is any change in the object. *

    *
*/ 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())); } }




© 2015 - 2024 Weber Informatics LLC | Privacy Policy