org.hibernate.annotations.MapKeyManyToMany 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;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import javax.persistence.JoinColumn;
/**
* Define the map key columns as an explicit column holding the map key
* This is completely different from {@link javax.persistence.MapKey} which use an existing column
* This annotation and {@link javax.persistence.MapKey} are mutually exclusive
*
* @deprecated Use {@link javax.persistence.MapKeyJoinColumn} {@link javax.persistence.MapKeyJoinColumns}
* This is the default behavior for Map properties marked as @OneToMany, @ManyToMany
* or @ElementCollection
* @author Emmanuel Bernard
*/
@Target({ElementType.METHOD, ElementType.FIELD})
@Retention(RetentionPolicy.RUNTIME)
@Deprecated
public @interface MapKeyManyToMany {
JoinColumn[] joinColumns() default {};
/**
* Represent the key class in a Map
* Only useful if the collection does not use generics
*/
Class targetEntity() default void.class;
}