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1   /**
2    *
3    *  Licensed to the Apache Software Foundation (ASF) under one or more
4    *  contributor license agreements.  See the NOTICE file distributed with
5    *  this work for additional information regarding copyright ownership.
6    *  The ASF licenses this file to You under the Apache License, Version 2.0
7    *  (the "License"); you may not use this file except in compliance with
8    *  the License.  You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   *  Unless required by applicable law or agreed to in writing, software
13   *  distributed under the License is distributed on an "AS IS" BASIS,
14   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   *  See the License for the specific language governing permissions and
16   *  limitations under the License.
17   */
18  package org.apache.geronimo.clustering.wadi;
19  
20  import org.apache.commons.logging.Log;
21  import org.apache.commons.logging.LogFactory;
22  import org.apache.geronimo.clustering.Node;
23  import org.apache.geronimo.gbean.GBeanInfo;
24  import org.apache.geronimo.gbean.GBeanInfoBuilder;
25  import org.apache.geronimo.gbean.GBeanLifecycle;
26  import org.apache.geronimo.j2ee.j2eeobjectnames.NameFactory;
27  import org.codehaus.wadi.group.Dispatcher;
28  import org.codehaus.wadi.group.MessageExchangeException;
29  import org.codehaus.wadi.tribes.TribesDispatcher;
30  
31  /**
32   *
33   * @version $Rev$ $Date$
34   */
35  public class TribesDispatcherHolder implements GBeanLifecycle, DispatcherHolder {
36      private static final Log log = LogFactory.getLog(TribesDispatcherHolder.class); 
37      
38      private final String clusterName;
39      private final long inactiveTime;
40      private final Node node;
41  
42      private TribesDispatcher dispatcher;
43  
44      public TribesDispatcherHolder(String clusterName, long inactiveTime, Node node) {
45          this.clusterName = clusterName;
46          this.inactiveTime = inactiveTime;
47          this.node = node;
48      }
49  
50      public void doStart() throws Exception {
51          dispatcher = new TribesDispatcher(clusterName, node.getName(), inactiveTime, null);
52          dispatcher.start();
53      }
54  
55      public void doStop() throws Exception {
56          dispatcher.stop();
57      }
58  
59      public void doFail() {
60          try {
61              dispatcher.stop();
62          } catch (MessageExchangeException e) {
63              log.error(e);
64          }
65      }
66      
67      public Dispatcher getDispatcher() {
68          return dispatcher;
69      }
70  
71      public Node getNode() {
72          return node;
73      }
74      
75      
76      public static final GBeanInfo GBEAN_INFO;
77      
78      public static final String GBEAN_ATTR_CLUSTER_NAME = "clusterName";
79      public static final String GBEAN_ATTR_CLUSTER_URI = "clusterUri";
80      public static final String GBEAN_ATTR_INACTIVE_TIME = "inactiveTime";
81  
82      public static final String GBEAN_REF_NODE = "Node";
83  
84      static {
85          GBeanInfoBuilder infoBuilder = GBeanInfoBuilder.createStatic(TribesDispatcherHolder.class, 
86                  NameFactory.GERONIMO_SERVICE);
87          
88          infoBuilder.addAttribute(GBEAN_ATTR_CLUSTER_NAME, String.class, true);
89          infoBuilder.addAttribute(GBEAN_ATTR_INACTIVE_TIME, long.class, true);
90          
91          infoBuilder.addReference(GBEAN_REF_NODE, Node.class, NameFactory.GERONIMO_SERVICE);
92  
93          infoBuilder.addInterface(DispatcherHolder.class);
94          
95          infoBuilder.setConstructor(new String[] { GBEAN_ATTR_CLUSTER_NAME, 
96                  GBEAN_ATTR_INACTIVE_TIME, 
97                  GBEAN_REF_NODE });
98          
99          GBEAN_INFO = infoBuilder.getBeanInfo();
100     }
101 
102     public static GBeanInfo getGBeanInfo() {
103         return GBEAN_INFO;
104     }
105 }