NewPersistenceManager


1   /*
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3   * Copyright 2005, JBoss Inc., and individual contributors as indicated
4   * by the @authors tag. See the copyright.txt in the distribution for a
5   * full listing of individual contributors.
6   *
7   * This is free software; you can redistribute it and/or modify it
8   * under the terms of the GNU Lesser General Public License as
9   * published by the Free Software Foundation; either version 2.1 of
10  * the License, or (at your option) any later version.
11  *
12  * This software is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with this software; if not, write to the Free
19  * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20  * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21  */
22  package org.jboss.mq.pm.none;
23  
24  import javax.jms.JMSException  ;
25  
26  import org.jboss.mq.SpyMessage;
27  
28  /**
29   * A persistence manager and cache store that does not persistence.
30   * This implements the optimized Topic persistence manager
31   *
32   * @author Adrian Brock (adrian@jboss.org)
33   *
34   *  @version $Revision: 37459 $
35   */
36  public class NewPersistenceManager
37     extends PersistenceManager
38     implements org.jboss.mq.pm.NewPersistenceManager
39  {
40     // Constants --------------------------------------------------------------------
41  
42     // Attributes -------------------------------------------------------------------
43     
44     // Constructors -----------------------------------------------------------------
45     
46     // Public -----------------------------------------------------------------------
47     
48     // NewPersistenceManager implementation -----------------------------------------
49     
50     public void addMessage(SpyMessage message) throws JMSException  
51     {
52        if (delegate != null)
53           ((org.jboss.mq.pm.NewPersistenceManager) delegate).addMessage(message);
54     }
55     
56     // ServerMBeanSupport overrides -------------------------------------------------
57  
58     protected void startService() throws Exception  
59     {
60        super.startService();
61        if (delegate != null && (delegate instanceof org.jboss.mq.pm.NewPersistenceManager) == false)
62              throw new UnsupportedOperationException  ("The delegate persistence manager must be a NewPersistenceManager");
63     }
64     
65     // Protected --------------------------------------------------------------------
66  
67     // Inner Classes ----------------------------------------------------------------
68  }
69
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