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Java > Open Source Codes > org > mr > api > jms > MantaTemporaryTopic


1 /*
2  * Copyright 2002 by
3  * <a HREF="http://www.coridan.com">Coridan</a>
4  * <a HREF="mailto: support@coridan.com ">support@coridan.com</a>
5  *
6  * The contents of this file are subject to the Mozilla Public License Version
7  * 1.1 (the "License"); you may not use this file except in compliance with the
8  * License. You may obtain a copy of the License at
9  * http://www.mozilla.org/MPL/
10  *
11  * Software distributed under the License is distributed on an "AS IS" basis,
12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13  * for the specific language governing rights and limitations under the
14  * License.
15  *
16  * The Original Code is "MantaRay" (TM).
17  *
18  * The Initial Developer of the Original Code is Nimo.
19  * Portions created by the Initial Developer are Copyright (C) 2006
20  * Coridan Inc. All Rights Reserved.
21  *
22  * Contributor(s): all the names of the contributors are added in the source
23  * code where applicable.
24  *
25  * Alternatively, the contents of this file may be used under the terms of the
26  * LGPL license (the "GNU LESSER GENERAL PUBLIC LICENSE"), in which case the
27  * provisions of LGPL are applicable instead of those above. If you wish to
28  * allow use of your version of this file only under the terms of the LGPL
29  * License and not to allow others to use your version of this file under
30  * the MPL, indicate your decision by deleting the provisions above and
31  * replace them with the notice and other provisions required by the LGPL.
32  * If you do not delete the provisions above, a recipient may use your version
33  * of this file under either the MPL or the GNU LESSER GENERAL PUBLIC LICENSE.
34  
35  *
36  * This library is free software; you can redistribute it and/or modify it
37  * under the terms of the MPL as stated above or under the terms of the GNU
38  * Lesser General Public License as published by the Free Software Foundation;
39  * either version 2.1 of the License, or any later version.
40  *
41  * This library is distributed in the hope that it will be useful, but WITHOUT
42  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
43  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
44  * License for more details.
45  */
46 package org.mr.api.jms;
47
48 import javax.jms.Destination JavaDoc;
49 import javax.jms.JMSException JavaDoc;
50 import javax.jms.TemporaryTopic JavaDoc;
51
52 import org.mr.core.util.byteable.Byteable;
53 import org.mr.core.util.byteable.ByteableInputStream;
54 import org.mr.core.util.byteable.ByteableRegistry;
55
56 import java.io.IOException JavaDoc;
57 import java.io.Serializable JavaDoc;
58
59 /**
60  * This class represents a temporary topic in the MantaRay system.
61  * When a user creates a Temporary Topic, the user is the only one that
62  * can receive messages on it. The Topic is not reachable for other consumers.
63  *
64  *
65  * @version 1.0
66  * @since Jan 19, 2004
67  * @author Nimo
68  *
69  */
70 public class MantaTemporaryTopic extends MantaTopic implements Destination JavaDoc, Byteable, Serializable JavaDoc, TemporaryTopic JavaDoc {
71
72     private MantaConnection conn;
73     public MantaTemporaryTopic(String JavaDoc name, MantaConnection con) throws JMSException JavaDoc{
74         super(name);
75         conn=con;
76     }//MantaTemporaryTopic
77
78     
79     /**
80      * Deletes this temporary topic. If there are existing subscribers
81      * still using it, a <CODE>JMSException</CODE> will be thrown.
82      *
83      * @exception JMSException if the JMS provider fails to delete the
84      * temporary topic due to some internal error.
85      */
86     public void delete() throws JMSException JavaDoc {
87         conn.deleteTempTopic(this.destinationName);
88     }//delete
89
90     final static String JavaDoc objName = "MantaTempTopic";
91     public String JavaDoc getByteableName() {
92         return objName;
93     }
94     
95     public Byteable createInstance(ByteableInputStream in) throws IOException JavaDoc {
96
97         MantaTemporaryTopic tt;
98         try {
99             tt = new MantaTemporaryTopic(in.readUTF(),null);
100         } catch (JMSException JavaDoc e) {
101             throw new IOException JavaDoc("Can't create topic: "+e.getMessage());
102         }
103         return tt;
104     }
105     
106     public void registerToByteableRegistry() {
107         ByteableRegistry.registerByteableFactory(getByteableName() , this);
108     }
109     
110     public static void register() throws JMSException JavaDoc{
111         MantaTemporaryTopic instance = new MantaTemporaryTopic("tmpT",null);
112         instance.registerToByteableRegistry();
113     }
114 }//MantaTemporaryTopic
115
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