/******************************************************************************* | |
* 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.annotations; | |
/** | |
* An enum that is used within the ChangeTracking annotation. | |
* | |
* @see org.eclipse.persistence.annotations.ChangeTracking. | |
* @author Guy Pelletier | |
* @since Oracle TopLink 11.1.1.0.0 | |
*/ | |
public enum ChangeTrackingType { | |
/** | |
* An ATTRIBUTE change tracking type allows change tracking at the attribute | |
* level of an object. Objects with changed attributes will be processed in | |
* the commit process to include any changes in the results of the commit. | |
* Unchanged objects will be ignored. | |
*/ | |
ATTRIBUTE, | |
/** | |
* An OBJECT change tracking policy allows an object to calculate for itself | |
* whether it has changed. Changed objects will be processed in the commit | |
* process to include any changes in the results of the commit. | |
* Unchanged objects will be ignored. | |
*/ | |
OBJECT, | |
/** | |
* A DEFERRED change tracking policy defers all change detection to the | |
* UnitOfWork's change detection process. Essentially, the calculateChanges() | |
* method will run for all objects in a UnitOfWork. | |
* This is the default ObjectChangePolicy | |
*/ | |
DEFERRED, | |
/** | |
* Will not set any change tracking policy, and the change tracking will be | |
* determined at runtime. | |
*/ | |
AUTO | |
} |