org.hibernate.envers.internal.entities.RelationType Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, 2013, 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.
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*/
package org.hibernate.envers.internal.entities;
/**
* Type of a relation between two entities.
*
* @author Adam Warski (adam at warski dot org)
*/
public enum RelationType {
/**
* A single-reference-valued relation. The entity owns the relation.
*/
TO_ONE,
/**
* A single-reference-valued relation. The entity doesn't own the relation. It is directly mapped in the related
* entity.
*/
TO_ONE_NOT_OWNING,
/**
* A collection-of-references-valued relation. The entity doesn't own the relation. It is directly mapped in the
* related entity.
*/
TO_MANY_NOT_OWNING,
/**
* A collection-of-references-valued relation. The entity owns the relation. It is mapped using a middle table.
*/
TO_MANY_MIDDLE,
/**
* A collection-of-references-valued relation. The entity doesn't own the relation. It is mapped using a middle
* table.
*/
TO_MANY_MIDDLE_NOT_OWNING
}