001 /**
002 *
003 * Licensed to the Apache Software Foundation (ASF) under one or more
004 * contributor license agreements. See the NOTICE file distributed with
005 * this work for additional information regarding copyright ownership.
006 * The ASF licenses this file to You under the Apache License, Version 2.0
007 * (the "License"); you may not use this file except in compliance with
008 * the License. You may obtain a copy of the License at
009 *
010 * http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018 package org.apache.geronimo.clustering.wadi;
019
020 import org.apache.commons.logging.Log;
021 import org.apache.commons.logging.LogFactory;
022 import org.apache.geronimo.clustering.Node;
023 import org.apache.geronimo.gbean.GBeanInfo;
024 import org.apache.geronimo.gbean.GBeanInfoBuilder;
025 import org.apache.geronimo.gbean.GBeanLifecycle;
026 import org.apache.geronimo.j2ee.j2eeobjectnames.NameFactory;
027 import org.codehaus.wadi.group.Dispatcher;
028 import org.codehaus.wadi.group.MessageExchangeException;
029 import org.codehaus.wadi.tribes.TribesDispatcher;
030
031 /**
032 *
033 * @version $Rev$ $Date$
034 */
035 public class TribesDispatcherHolder implements GBeanLifecycle, DispatcherHolder {
036 private static final Log log = LogFactory.getLog(TribesDispatcherHolder.class);
037
038 private final String clusterName;
039 private final long inactiveTime;
040 private final Node node;
041
042 private TribesDispatcher dispatcher;
043
044 public TribesDispatcherHolder(String clusterName, long inactiveTime, Node node) {
045 this.clusterName = clusterName;
046 this.inactiveTime = inactiveTime;
047 this.node = node;
048 }
049
050 public void doStart() throws Exception {
051 dispatcher = new TribesDispatcher(clusterName, node.getName(), inactiveTime, null);
052 dispatcher.start();
053 }
054
055 public void doStop() throws Exception {
056 dispatcher.stop();
057 }
058
059 public void doFail() {
060 try {
061 dispatcher.stop();
062 } catch (MessageExchangeException e) {
063 log.error(e);
064 }
065 }
066
067 public Dispatcher getDispatcher() {
068 return dispatcher;
069 }
070
071 public Node getNode() {
072 return node;
073 }
074
075
076 public static final GBeanInfo GBEAN_INFO;
077
078 public static final String GBEAN_ATTR_CLUSTER_NAME = "clusterName";
079 public static final String GBEAN_ATTR_CLUSTER_URI = "clusterUri";
080 public static final String GBEAN_ATTR_INACTIVE_TIME = "inactiveTime";
081
082 public static final String GBEAN_REF_NODE = "Node";
083
084 static {
085 GBeanInfoBuilder infoBuilder = GBeanInfoBuilder.createStatic(TribesDispatcherHolder.class,
086 NameFactory.GERONIMO_SERVICE);
087
088 infoBuilder.addAttribute(GBEAN_ATTR_CLUSTER_NAME, String.class, true);
089 infoBuilder.addAttribute(GBEAN_ATTR_INACTIVE_TIME, long.class, true);
090
091 infoBuilder.addReference(GBEAN_REF_NODE, Node.class, NameFactory.GERONIMO_SERVICE);
092
093 infoBuilder.addInterface(DispatcherHolder.class);
094
095 infoBuilder.setConstructor(new String[] { GBEAN_ATTR_CLUSTER_NAME,
096 GBEAN_ATTR_INACTIVE_TIME,
097 GBEAN_REF_NODE });
098
099 GBEAN_INFO = infoBuilder.getBeanInfo();
100 }
101
102 public static GBeanInfo getGBeanInfo() {
103 return GBEAN_INFO;
104 }
105 }