/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.annotations;
import org.hibernate.tuple.UpdateTimestampGeneration;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
/**
* 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>
* <li>{@link java.time.Instant}</li>
* <li>{@link java.time.LocalDate}</li>
* <li>{@link java.time.LocalDateTime}</li>
* <li>{@link java.time.LocalTime}</li>
* <li>{@link java.time.MonthDay}</li>
* <li>{@link java.time.OffsetDateTime}</li>
* <li>{@link java.time.OffsetTime}</li>
* <li>{@link java.time.Year}</li>
* <li>{@link java.time.YearMonth}</li>
* <li>{@link java.time.ZonedDateTime}</li>
* </ul>
*
* @author Gunnar Morling
*/
@ValueGenerationType(generatedBy = UpdateTimestampGeneration.class)
@Retention(RetentionPolicy.RUNTIME)
public @interface UpdateTimestamp {
}