1 /*
2 * EL4J, the Extension Library for the J2EE, adds incremental enhancements to
3 * the spring framework, http://el4j.sf.net
4 * Copyright (C) 2006 by ELCA Informatique SA, Av. de la Harpe 22-24,
5 * 1000 Lausanne, Switzerland, http://www.elca.ch
6 *
7 * EL4J is published under the GNU Lesser General Public License (LGPL)
8 * Version 2.1. See http://www.gnu.org/licenses/
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU Lesser General Public License for more details.
14 *
15 * For alternative licensing, please contact info@elca.ch
16 */
17 package ch.elca.el4j.services.persistence.hibernate;
18
19 import ch.elca.el4j.services.persistence.generic.dto.PrimaryKeyObject;
20
21 /**
22 * An identity fixer for objects loaded by hibernate and implementing the <code>PrimaryKeyObject</code> interface.
23 *
24 * @svnLink $Revision: 3875 $;$Date: 2009-08-04 14:35:53 +0200 (Di, 04. Aug 2009) $;$Author: swismer $;$URL: https://el4j.svn.sourceforge.net/svnroot/el4j/branches/el4j_3_1/el4j/framework/modules/hibernate/src/main/java/ch/elca/el4j/services/persistence/hibernate/HibernatePrimaryKeyObjectIdentityFixer.java $
25 *
26 * @see HibernateProxyAwareIdentityFixer
27 *
28 * @author Andreas Rueedlinger (ARR)
29 */
30 public class HibernatePrimaryKeyObjectIdentityFixer
31 extends HibernateProxyAwareIdentityFixer {
32
33 /** {@inheritDoc} */
34 @Override
35 protected Object id(Object o) {
36 if (o instanceof PrimaryKeyObject) {
37
38 PrimaryKeyObject obj = (PrimaryKeyObject) o;
39
40 if (obj.isKeyNew()) {
41 return null;
42 }
43 }
44 return super.id(o);
45 }
46 }