/*
* 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.test.annotations.idclassgeneratedvalue;
import java.io.Serializable;
/**
* MultiplePK
*
* @author <a href="mailto:stale.pedersen@jboss.org">Stale W. Pedersen</a>
*/
public class MultiplePK implements Serializable
{
private final Long id1;
private final Long id2;
private final Long id3;
// AnnotationSourceProcessor (incorrectly) requires this to be transient; see HHH-4819 and HHH-4820
private final transient int cachedHashCode;
private MultiplePK()
{
id1 = null;
id2 = null;
id3 = null;
cachedHashCode = super.hashCode();
}
public MultiplePK(Long id1, Long id2, Long id3)
{
this.id1 = id1;
this.id2 = id2;
this.id3 = id3;
this.cachedHashCode = calculateHashCode();
}
private int calculateHashCode() {
int result = id1.hashCode();
result = 31 * result + id2.hashCode();
return result;
}
public Long getId1() {
return id1;
}
public Long getId2() {
return id2;
}
public Long getId3() {
return id3;
}
@Override
public boolean equals(Object o)
{
if ( this == o ) {
return true;
}
if ( o == null || getClass() != o.getClass() )
{
return false;
}
MultiplePK multiplePK = (MultiplePK) o;
return id1.equals( multiplePK.id1 )
&& id2.equals( multiplePK.id2 )
&& id3.equals( multiplePK.id3);
}
@Override
public int hashCode() {
return cachedHashCode;
}
}