org.eclipse.persistence.annotations.ChangeTrackingType Maven / Gradle / Ivy
/*
* Copyright (c) 1998, 2024 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.annotations;
/**
* An enum that is used within the {@linkplain ChangeTracking} annotation.
*
* @see ChangeTracking
* @author Guy Pelletier
* @since Oracle TopLink 11.1.1.0.0
*/
public enum ChangeTrackingType {
/**
* 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,
/**
* 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,
/**
* Defers all change detection to the {@linkplain org.eclipse.persistence.sessions.UnitOfWork}'s change detection process.
* Essentially, the {@linkplain org.eclipse.persistence.internal.sessions.UnitOfWorkImpl#calculateChanges(java.util.Map, org.eclipse.persistence.internal.sessions.UnitOfWorkChangeSet, boolean, boolean)}
* method will run for all objects in a {@linkplain org.eclipse.persistence.sessions.UnitOfWork}.
*
* This is the default {@linkplain org.eclipse.persistence.descriptors.changetracking.ObjectChangePolicy}
*/
DEFERRED,
/**
* Will not set any change tracking policy, and the change tracking will be
* determined at runtime.
*/
AUTO
}