/******************************************************************************* | |
* 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.sessions; | |
import java.util.*; | |
/** | |
* <b>Purpose</b>: Define how an object is to be copied.<p> | |
* <b>Description</b>: This is for usage with the object copying feature, not the unit of work. | |
* This is useful for copying an entire object graph as part of the | |
* host application's logic.<p> | |
* <b>Responsibilities</b>:<ul> | |
* <li> Indicate through CASCADE levels the depth relationships will copied. | |
* <li> Indicate if PK attributes should be copied with existing value or should be reset. | |
* </ul> | |
* @since TOPLink/Java 3.0 | |
* @see Session#copyObject(Object, ObjectCopyingPolicy) | |
* @deprecated use CopyGroup instead. | |
*/ | |
public class ObjectCopyingPolicy extends CopyGroup { | |
/** | |
* PUBLIC: | |
* Return a new copying policy. | |
* By default the policy cascades privately owned parts and nulls primary keys. | |
*/ | |
public ObjectCopyingPolicy() { | |
super(); | |
this.shouldResetPrimaryKey = true; | |
// 2612538 - the default size of Map (32) is appropriate | |
this.copies = new IdentityHashMap(); | |
this.depth = CASCADE_PRIVATE_PARTS; | |
} | |
} |