/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2013, Red Hat, Inc. and/or its affiliates 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
 * Boston, MA  02110-1301  USA
 */
package org.hibernate.annotations;

import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;

import org.hibernate.tuple.UpdateTimestampGeneration;

Marks a property as the update timestamp of the containing entity. The property value will be set to the current VM
date whenever the owning entity is updated.

Supported property types:

Date
Calendar
Date
Time
Timestamp

Author:
Gunnar Morling/**
 * Marks a property as the update timestamp of the containing entity. The property value will be set to the current VM
 * date whenever the owning entity is updated.
 * <p>
 * Supported property types:
 * <ul>
 * <li>{@link java.util.Date}</li>
 * <li>{@link java.util.Calendar}</li>
 * <li>{@link java.sql.Date}</li>
 * <li>{@link java.sql.Time}</li>
 * <li>{@link java.sql.Timestamp}</li>
 * </ul>
 *
 * @author Gunnar Morling
 */
@ValueGenerationType(generatedBy = UpdateTimestampGeneration.class)
@Retention(RetentionPolicy.RUNTIME)
public @interface UpdateTimestamp {
}