org.hibernate.envers.RevisionEntity Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008-2011, 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
* Boston, MA 02110-1301 USA
*/
package org.hibernate.envers;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* Marks an entity to be created whenever a new revision is generated. The revisions entity must have
* an integer-valued unique property (preferably the primary id) annotated with {@link RevisionNumber}
* and a long-valued property annotated with {@link RevisionTimestamp}. The {@link DefaultRevisionEntity}
* already has those two fields, so you may extend it, but you may also write your own revision entity
* from scratch.
*
* @author Adam Warski (adam at warski dot org)
*/
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.TYPE)
public @interface RevisionEntity {
/**
* The optional listener that will be used to fill in the custom revision entity.
* May also be specified using the {@code org.hibernate.envers.revision_listener} configuration property.
*/
Class value() default RevisionListener.class;
}