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Java > Open Source Codes > org > jboss > mq > server > jmx > Invoker


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.mq.server.jmx;
23 import javax.jms.IllegalStateException JavaDoc;
24 import javax.management.ObjectName JavaDoc;
25
26 import org.jboss.mq.server.JMSServerInterceptor;
27 import org.jboss.mq.server.JMSServerInvoker;
28 import org.jboss.system.ServiceMBeanSupport;
29 /**
30  * Adapts JBossMQService to deliver JMSServerInvoker.
31  *
32  * @jmx:mbean extends="org.jboss.system.ServiceMBean"
33  *
34  * @author <a HREF="Peter Antman">Peter Antman</a>
35  * @version $Revision: 37459 $
36  */
37
38 public class Invoker
39    extends ServiceMBeanSupport
40    implements InvokerMBean
41 {
42    /**
43     * The next interceptor this interceptor invokes.
44     */
45    private JMSServerInterceptor nextInterceptor;
46    private ObjectName JavaDoc nextInterceptorObjName;
47    private JMSServerInvoker invoker;
48   
49
50    /**
51     * @jmx:managed-attribute
52     */
53    public ObjectName JavaDoc getNextInterceptor()
54    {
55       return this.nextInterceptorObjName;
56    }
57    
58    /**
59     * @jmx:managed-attribute
60     */
61    public void setNextInterceptor(ObjectName JavaDoc jbossMQService)
62    {
63       this.nextInterceptorObjName = jbossMQService;
64    }
65    
66    protected void startService() throws Exception JavaDoc
67    {
68       if( nextInterceptorObjName != null ) {
69          nextInterceptor = (JMSServerInterceptor)getServer().getAttribute(nextInterceptorObjName, "Interceptor");
70          if (nextInterceptor == null)
71             throw new IllegalStateException JavaDoc("The next interceptor was invalid.");
72       }
73       invoker.setNext(nextInterceptor);
74    }
75    
76
77    /**
78     * @see ServiceMBeanSupport#createService()
79     */
80    protected void createService() throws Exception JavaDoc
81    {
82       super.createService();
83       invoker = new JMSServerInvoker();
84    }
85
86    /**
87     * @jmx:managed-attribute
88     * @see InvokerMBean#getInvoker()
89     */
90    public JMSServerInvoker getInvoker()
91    {
92       return invoker;
93    }
94
95 }
96
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