| /* |
| * Copyright (c) 1998, 2021 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 v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // 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> |
| * <p> |
| * <b>Description</b>: Listener is notified on a PropertyChangeEvent from the object it belongs to. |
| * </p> |
| * <p> |
| * <b>Responsibilities</b>: Set the flag to true when there is any change in the object. |
| * </p> |
| */ |
| 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. |
| */ |
| @Override |
| public void internalPropertyChange(PropertyChangeEvent evt) { |
| hasChanges = true; |
| this.parentListener.internalPropertyChange(new PropertyChangeEvent(evt.getSource(), this.parentAttributeName, evt.getOldValue(), evt.getNewValue())); |
| } |
| |
| } |