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Java > Open Source Codes > org > jboss > tm > remoting > server > DTMInvocationHandler


1 /*
2   * JBoss, Home of Professional Open Source
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.tm.remoting.server;
23
24 import javax.management.MBeanServer JavaDoc;
25
26 import org.jboss.remoting.InvocationRequest;
27 import org.jboss.remoting.ServerInvocationHandler;
28 import org.jboss.remoting.ServerInvoker;
29 import org.jboss.remoting.callback.InvokerCallbackHandler;
30 import org.jboss.tm.remoting.Invocation;
31
32 /**
33  * <code>ServerInvocationHandler</code> for the DTM subsystem.
34  *
35  * @author <a HREF="mailto:reverbel@ime.usp.br">Francisco Reverbel</a>
36  * @version $Revision: 37459 $
37  */
38 public class DTMInvocationHandler implements ServerInvocationHandler
39 {
40    private DTMServant dtmServant;
41    private ServerInvoker invoker;
42
43    DTMInvocationHandler(DTMServant dtmServant)
44    {
45       this.dtmServant = dtmServant;
46    }
47
48    /**
49     * Empty method - this invocation handler does not keep a reference to the <code>MBeanServer</code>.
50     * @see org.jboss.remoting.ServerInvocationHandler#setMBeanServer(javax.management.MBeanServer)
51     */
52    public void setMBeanServer(MBeanServer JavaDoc server)
53    {
54    }
55
56    /**
57     * Sets this invovation handler's <code>ServerInvoker</code>.
58     * @see org.jboss.remoting.ServerInvocationHandler#setInvoker(org.jboss.remoting.ServerInvoker)
59     */
60    public void setInvoker(ServerInvoker invoker)
61    {
62       this.invoker = invoker;
63    }
64
65    /**
66     * Performs the invocation specified by a given <code>InvocationRequest</code>,
67     * @see org.jboss.remoting.ServerInvocationHandler#invoke(org.jboss.remoting.InvocationRequest)
68     */
69    public Object JavaDoc invoke(InvocationRequest invocationRequest)
70          throws Throwable JavaDoc
71    {
72       Invocation invocation = (Invocation)invocationRequest.getParameter();
73
74       return invocation.perform(invoker.getLocator(), dtmServant);
75    }
76
77    /**
78     * Empty method - listener registration is not supported.
79     * @see org.jboss.remoting.ServerInvocationHandler#addListener(org.jboss.remoting.callback.InvokerCallbackHandler)
80     */
81    public void addListener(InvokerCallbackHandler callbackHandler)
82    {
83    }
84
85    /**
86     * Empty method - listener registration is not supported.
87     * @see org.jboss.remoting.ServerInvocationHandler#removeListener(org.jboss.remoting.callback.InvokerCallbackHandler)
88     */
89    public void removeListener(InvokerCallbackHandler callbackHandler)
90    {
91    }
92
93 }
94
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