/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2010, Red Hat Inc. or third-party contributors as
 * indicated by the @author tags or express copyright attribution
 * statements applied by the authors.  All third-party contributions are
 * distributed under license by Red Hat Inc.
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
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 */
package org.hibernate.annotations;

Possible optimistic locking strategies.
Author:
Emmanuel Bernard/**
 * Possible optimistic locking strategies.
 *
 * @author Emmanuel Bernard
 */
public enum OptimisticLockType {
	
Perform no optimistic locking.
/**
	 * Perform no optimistic locking.
	 */
	NONE,
	
Perform optimistic locking using a dedicated version column.
See Also:
Version/**
	 * Perform optimistic locking using a dedicated version column.
	 *
	 * @see javax.persistence.Version
	 */
	VERSION,
	
Perform optimistic locking based on *dirty* fields as part of an expanded WHERE clause restriction for the
UPDATE/DELETE SQL statement.
/**
	 * Perform optimistic locking based on *dirty* fields as part of an expanded WHERE clause restriction for the
	 * UPDATE/DELETE SQL statement.
	 */
	DIRTY,
	
Perform optimistic locking based on *all* fields as part of an expanded WHERE clause restriction for the
UPDATE/DELETE SQL statement.
/**
	 * Perform optimistic locking based on *all* fields as part of an expanded WHERE clause restriction for the
	 * UPDATE/DELETE SQL statement.
	 */
	ALL
}