KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > com > sun > ejb > spi > sfsb > util > SFSBUUIDUtil


1 /*
2  * The contents of this file are subject to the terms
3  * of the Common Development and Distribution License
4  * (the License). You may not use this file except in
5  * compliance with the License.
6  *
7  * You can obtain a copy of the license at
8  * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9  * glassfish/bootstrap/legal/CDDLv1.0.txt.
10  * See the License for the specific language governing
11  * permissions and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL
14  * Header Notice in each file and include the License file
15  * at glassfish/bootstrap/legal/CDDLv1.0.txt.
16  * If applicable, add the following below the CDDL Header,
17  * with the fields enclosed by brackets [] replaced by
18  * you own identifying information:
19  * "Portions Copyrighted [year] [name of copyright owner]"
20  *
21  * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22  */
23
24 package com.sun.ejb.spi.sfsb.util;
25
26 /**
27  *
28  * An instance of this class will be used by the Stateful SessionBean
29  * Container to create sessionIDs whenever home.create(..) is called
30  *
31  * @author Mahesh Kannan
32  */
33 public interface SFSBUUIDUtil {
34     
35    /**
36     * Create and return the sessionKey.
37     * @return the sessionKey object
38     */
39     public Object JavaDoc createSessionKey();
40     
41    /**
42     * Called from the Container before publishing an IOR. The method must convert the sessionKey into a byte[]
43     * @return A byte[] representation of the key. The byte[] could be created using serialization.
44     */
45     public byte[] keyToByteArray(Object JavaDoc sessionKey);
46     
47     /**
48      * Return the sessionKey that represents the sessionKey. This has to be super efficient as the container
49      * calls this method on every invocation. Two objects obtained from identical byte[] must
50      * satisfy both o1.equals(o2) and o1.hashCode() == o2.hashCode()
51      * @return the sessionKey object
52      */
53      public Object JavaDoc byteArrayToKey(byte[] array, int startIndex, int len);
54     
55 }
56
Popular Tags