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1   /*
2    * EL4J, the Extension Library for the J2EE, adds incremental enhancements to
3    * the spring framework, http://el4j.sf.net
4    * Copyright (C) 2005 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.util.objectwrapper.interfaces;
18  
19  import java.io.Serializable;
20  
21  import ch.elca.el4j.util.objectwrapper.Wrappable;
22  
23  /**
24   * Aspect of having a key and version.
25   *
26   * @svnLink $Revision: 4083 $;$Date: 2010-01-08 13:32:17 +0100 (Fr, 08. Jan 2010) $;$Author: jonasha $;$URL: https://el4j.svn.sourceforge.net/svnroot/el4j/branches/el4j_3_1/el4j/framework/modules/hibernate/src/main/java/ch/elca/el4j/util/objectwrapper/interfaces/KeyedVersioned.java $
27   *
28   * @author David Bernhard (DBD)
29   */
30  public interface KeyedVersioned extends Wrappable {
31  
32  	/**
33  	 * @return The key this object holds.
34  	 */
35  	Serializable getKey();
36  	
37  	/**
38  	 * Set the object's key.
39  	 * @param key The key to set.
40  	 */
41  	void setKey(Serializable key);
42  	
43  	/**
44  	 * @return The version.
45  	 */
46  	Serializable getVersion();
47  	
48  	/**
49  	 * Set the version.
50  	 * @param version The version to set.
51  	 */
52  	void setVersion(Serializable version);
53  	
54  	/**
55  	 * @return The effective class of the key property.
56  	 */
57  	Class<?> getKeyClass();
58  	
59  	/**
60  	 * @return The effective class of the version property.
61  	 */
62  	Class<?> getVersionClass();
63  }