Clover coverage report - ActiveCluster - 1.1-SNAPSHOT
Coverage timestamp: Tue May 24 2005 08:48:28 BST
Overview   Package   File
    FRAMES   NO FRAMES  
file stats: LOC: 191   Methods: 23
NCLOC: 136   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
DefaultCluster.java 0% 0% 0% 0%
coverage
 1    
 /**
 2    
  *
 3    
  * Copyright 2004 Protique Ltd
 4    
  *
 5    
  * Licensed under the Apache License, Version 2.0 (the "License");
 6    
  * you may not use this file except in compliance with the License.
 7    
  * You may obtain a copy of the License at
 8    
  *
 9    
  * http://www.apache.org/licenses/LICENSE-2.0
 10    
  *
 11    
  * Unless required by applicable law or agreed to in writing, software
 12    
  * distributed under the License is distributed on an "AS IS" BASIS,
 13    
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 14    
  * See the License for the specific language governing permissions and
 15    
  * limitations under the License.
 16    
  *
 17    
  **/
 18    
 package org.activecluster.impl;
 19    
 
 20    
 import EDU.oswego.cs.dl.util.concurrent.SynchronizedBoolean;
 21    
 import org.apache.commons.logging.Log;
 22    
 import org.apache.commons.logging.LogFactory;
 23    
 import org.activecluster.Cluster;
 24    
 import org.activecluster.ClusterListener;
 25    
 import org.activecluster.LocalNode;
 26    
 import org.activecluster.Service;
 27    
 
 28    
 import javax.jms.*;
 29    
 import java.io.Serializable;
 30    
 import java.util.Map;
 31    
 import java.util.Timer;
 32    
 
 33    
 /**
 34    
  * A default implementation of ActiveCluster which uses standard JMS operations
 35    
  *
 36    
  * @version $Revision: 1.1 $
 37    
  */
 38    
 public class DefaultCluster implements Cluster {
 39    
 
 40    
     private final static Log log = LogFactory.getLog(DefaultCluster.class);
 41    
 
 42    
     private StateServiceImpl stateService;
 43    
     private LocalNode localNode;
 44    
     private Topic destination;
 45    
     private Connection connection;
 46    
     private Session session;
 47    
     private MessageProducer producer;
 48    
     private MessageConsumer consumer;
 49    
     private Timer timer;
 50    
     private SynchronizedBoolean started = new SynchronizedBoolean(false);
 51    
     private Object clusterLock = new Object();
 52    
 
 53  0 
     public DefaultCluster(final LocalNode localNode, Topic dataTopic, Topic destination, Connection connection, Session session,
 54    
                           MessageProducer producer, Timer timer, long inactiveTime) throws JMSException {
 55  0 
         this.localNode = localNode;
 56  0 
         this.destination = destination;
 57  0 
         this.connection = connection;
 58  0 
         this.session = session;
 59  0 
         this.producer = producer;
 60  0 
         this.timer = timer;
 61    
 
 62  0 
         if (producer == null) {
 63  0 
             throw new IllegalArgumentException("No producer specified!");
 64    
         }
 65    
 
 66    
         // now lets subscribe the service to the updates from the data topic
 67  0 
         consumer = session.createConsumer(dataTopic, null, true);
 68    
 
 69  0 
         log.info("Creating data consumer on topic: " + dataTopic);
 70    
 
 71  0 
         this.stateService = new StateServiceImpl(this, clusterLock, new Runnable() {
 72  0 
             public void run() {
 73  0 
                 if (localNode instanceof ReplicatedLocalNode) {
 74  0 
                     ((ReplicatedLocalNode) localNode).pingRemoteNodes();
 75    
                 }
 76    
             }
 77    
         }, timer, inactiveTime);
 78  0 
         consumer.setMessageListener(new StateConsumer(stateService));
 79    
     }
 80    
 
 81  0 
     public synchronized void addClusterListener(ClusterListener listener) {
 82  0 
         stateService.addClusterListener(listener);
 83    
     }
 84    
 
 85  0 
     public synchronized void removeClusterListener(ClusterListener listener) {
 86  0 
         stateService.removeClusterListener(listener);
 87    
     }
 88    
 
 89  0 
     public Topic getDestination() {
 90  0 
         return destination;
 91    
     }
 92    
 
 93  0 
     public LocalNode getLocalNode() {
 94  0 
         return localNode;
 95    
     }
 96    
 
 97  0 
     public Map getNodes() {
 98  0 
         return stateService.getNodes();
 99    
     }
 100    
 
 101  0 
     public synchronized void send(Destination destination, Message message) throws JMSException {
 102  0 
         producer.send(destination, message);
 103    
     }
 104    
 
 105  0 
     public synchronized MessageConsumer createConsumer(Destination destination) throws JMSException {
 106  0 
         return getSession().createConsumer(destination);
 107    
     }
 108    
 
 109  0 
     public MessageConsumer createConsumer(Destination destination, String selector) throws JMSException {
 110  0 
         return getSession().createConsumer(destination, selector);
 111    
     }
 112    
 
 113  0 
     public MessageConsumer createConsumer(Destination destination, String selector, boolean noLocal) throws JMSException {
 114  0 
         return getSession().createConsumer(destination, selector, noLocal);
 115    
     }
 116    
 
 117  0 
     public synchronized Message createMessage() throws JMSException {
 118  0 
         return getSession().createMessage();
 119    
     }
 120    
 
 121  0 
     public synchronized BytesMessage createBytesMessage() throws JMSException {
 122  0 
         return getSession().createBytesMessage();
 123    
     }
 124    
 
 125  0 
     public synchronized MapMessage createMapMessage() throws JMSException {
 126  0 
         return getSession().createMapMessage();
 127    
     }
 128    
 
 129  0 
     public synchronized ObjectMessage createObjectMessage() throws JMSException {
 130  0 
         return getSession().createObjectMessage();
 131    
     }
 132    
 
 133  0 
     public synchronized ObjectMessage createObjectMessage(Serializable object) throws JMSException {
 134  0 
         return getSession().createObjectMessage(object);
 135    
     }
 136    
 
 137  0 
     public synchronized StreamMessage createStreamMessage() throws JMSException {
 138  0 
         return getSession().createStreamMessage();
 139    
     }
 140    
 
 141  0 
     public synchronized TextMessage createTextMessage() throws JMSException {
 142  0 
         return getSession().createTextMessage();
 143    
     }
 144    
 
 145  0 
     public synchronized TextMessage createTextMessage(String text) throws JMSException {
 146  0 
         return getSession().createTextMessage(text);
 147    
     }
 148    
 
 149  0 
     public synchronized void start() throws JMSException {
 150  0 
         if (started.commit(false, true)) {
 151  0 
             connection.start();
 152    
         }
 153    
     }
 154    
 
 155  0 
     public void stop() throws JMSException {
 156  0 
         try {
 157  0 
             if (localNode instanceof Service) {
 158  0 
                 ((Service) localNode).stop();
 159    
             }
 160  0 
             timer.cancel();
 161  0 
             session.close();
 162  0 
             connection.stop();
 163  0 
             connection.close();
 164    
         }
 165    
         finally {
 166  0 
             connection = null;
 167  0 
             session = null;
 168    
         }
 169    
     }
 170    
 
 171  0 
     public boolean waitForClusterToComplete(int expectedCount, long timeout) throws InterruptedException {
 172  0 
         timeout = timeout > 0 ? timeout : Long.MAX_VALUE;
 173  0 
         long waitTime = timeout;
 174  0 
         long start = System.currentTimeMillis();
 175  0 
         synchronized (clusterLock) {
 176  0 
             while (stateService.getNodes().size() < expectedCount && started.get() && waitTime > 0) {
 177  0 
                 clusterLock.wait(waitTime);
 178  0 
                 waitTime = timeout - (System.currentTimeMillis() - start);
 179    
             }
 180    
         }
 181  0 
         return stateService.getNodes().size() >= expectedCount;
 182    
     }
 183    
 
 184  0 
     protected Session getSession() throws JMSException {
 185  0 
         if (session == null) {
 186  0 
             throw new JMSException("Cannot perform operation, this cluster connection is now closed");
 187    
         }
 188  0 
         return session;
 189    
     }
 190    
 }
 191    
 
 
CloverReport generated by Clover v1.2.3
Tue May 24 2005 08:48:31 BST.		   30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it.