org.hibernate.annotations.NotFoundAction Maven / Gradle / Ivy
/*
* 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
* Boston, MA 02110-1301 USA
*/
package org.hibernate.annotations;
/**
* Possible actions when an associated entity is not found in the database. Often seen with "legacy" foreign-key
* schemes which do not use {@code NULL} to indicate a missing reference, instead using a "magic value".
*
* @author Emmanuel Bernard
*/
public enum NotFoundAction {
/**
* Raise an exception when an element is not found (default and recommended).
*/
EXCEPTION,
/**
* Ignore the element when not found in database.
*/
IGNORE
}