Coverage Report - org.mule.transport.jms.TransactedSingleResourceJmsMessageReceiver
 
Classes in this File Line Coverage Branch Coverage Complexity
TransactedSingleResourceJmsMessageReceiver
0%
0/62
0%
0/20
0
TransactedSingleResourceJmsMessageReceiver$MessageReceiverWorker
0%
0/17
0%
0/2
0
TransactedSingleResourceJmsMessageReceiver$MessageReceiverWorker$1
0%
0/20
0%
0/12
0
 
 1  
 /*
 2  
  * $Id: TransactedSingleResourceJmsMessageReceiver.java 20501 2010-12-08 00:52:19Z tcarlson $
 3  
  * --------------------------------------------------------------------------------------
 4  
  * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 5  
  *
 6  
  * The software in this package is published under the terms of the CPAL v1.0
 7  
  * license, a copy of which has been included with this distribution in the
 8  
  * LICENSE.txt file.
 9  
  */
 10  
 
 11  
 package org.mule.transport.jms;
 12  
 
 13  
 import org.mule.api.MuleException;
 14  
 import org.mule.api.MuleMessage;
 15  
 import org.mule.api.construct.FlowConstruct;
 16  
 import org.mule.api.endpoint.InboundEndpoint;
 17  
 import org.mule.api.lifecycle.CreateException;
 18  
 import org.mule.api.lifecycle.StartException;
 19  
 import org.mule.api.lifecycle.StopException;
 20  
 import org.mule.api.transaction.Transaction;
 21  
 import org.mule.api.transaction.TransactionCallback;
 22  
 import org.mule.api.transport.Connector;
 23  
 import org.mule.api.transport.MessageReceiver;
 24  
 import org.mule.transaction.TransactionCoordination;
 25  
 import org.mule.transaction.TransactionTemplate;
 26  
 import org.mule.transport.AbstractMessageReceiver;
 27  
 import org.mule.transport.ConnectException;
 28  
 import org.mule.transport.jms.filters.JmsSelectorFilter;
 29  
 import org.mule.transport.jms.redelivery.RedeliveryHandler;
 30  
 import org.mule.util.ClassUtils;
 31  
 
 32  
 import javax.jms.Destination;
 33  
 import javax.jms.JMSException;
 34  
 import javax.jms.Message;
 35  
 import javax.jms.MessageConsumer;
 36  
 import javax.jms.MessageListener;
 37  
 import javax.jms.Session;
 38  
 import javax.jms.Topic;
 39  
 import javax.resource.spi.work.Work;
 40  
 
 41  0
 public class TransactedSingleResourceJmsMessageReceiver extends AbstractMessageReceiver
 42  
         implements MessageListener
 43  
 {
 44  
     protected JmsConnector connector;
 45  
     protected RedeliveryHandler redeliveryHandler;
 46  
     protected MessageConsumer consumer;
 47  
     protected Session session;
 48  0
     protected boolean startOnConnect = false;
 49  
 
 50  
     /** determines whether messages will be received in a transaction template */
 51  0
     protected boolean receiveMessagesInTransaction = true;
 52  
 
 53  
     /** determines whether Multiple receivers are created to improve throughput */
 54  0
     protected boolean useMultipleReceivers = true;
 55  
 
 56  
     
 57  
     public TransactedSingleResourceJmsMessageReceiver(Connector connector,
 58  
                                                       FlowConstruct flowConstruct,
 59  
                                                       InboundEndpoint endpoint) throws CreateException
 60  
     {
 61  
 
 62  0
         super(connector, flowConstruct, endpoint);
 63  
 
 64  0
         this.connector = (JmsConnector) connector;
 65  
 
 66  
         // TODO check which properties being set in the TransecteJmsMessage receiver
 67  
         // are needed...
 68  
 
 69  
         try
 70  
         {
 71  0
             redeliveryHandler = this.connector.getRedeliveryHandlerFactory().create();
 72  0
             redeliveryHandler.setConnector(this.connector);
 73  
         }
 74  0
         catch (Exception e)
 75  
         {
 76  0
             throw new CreateException(e, this);
 77  0
         }
 78  0
     }
 79  
 
 80  
     @Override
 81  
     protected void doDispose()
 82  
     {
 83  
         // template method
 84  0
     }
 85  
 
 86  
     @Override
 87  
     protected void doConnect() throws Exception
 88  
     {
 89  
         try
 90  
         {
 91  0
             JmsSupport jmsSupport = this.connector.getJmsSupport();
 92  
             // Create session if none exists
 93  0
             if (session == null)
 94  
             {
 95  0
                 session = this.connector.getSession(endpoint);
 96  
             }
 97  
 
 98  
             // Create destination
 99  0
             boolean topic = connector.getTopicResolver().isTopic(endpoint);
 100  
 
 101  0
             Destination dest = jmsSupport.createDestination(session, endpoint);
 102  
             // Extract jms selector
 103  0
             String selector = null;
 104  0
             if (endpoint.getFilter() != null && endpoint.getFilter() instanceof JmsSelectorFilter)
 105  
             {
 106  0
                 selector = ((JmsSelectorFilter) endpoint.getFilter()).getExpression();
 107  
             }
 108  0
             else if (endpoint.getProperties() != null)
 109  
             {
 110  
                 // still allow the selector to be set as a property on the endpoint
 111  
                 // to be backward compatable
 112  0
                 selector = (String) endpoint.getProperties().get(JmsConstants.JMS_SELECTOR_PROPERTY);
 113  
             }
 114  0
             String tempDurable = (String) endpoint.getProperties().get(JmsConstants.DURABLE_PROPERTY);
 115  0
             boolean durable = connector.isDurable();
 116  0
             if (tempDurable != null)
 117  
             {
 118  0
                 durable = Boolean.valueOf(tempDurable).booleanValue();
 119  
             }
 120  
 
 121  
             // Get the durable subscriber name if there is one
 122  0
             String durableName = (String) endpoint.getProperties().get(JmsConstants.DURABLE_NAME_PROPERTY);
 123  0
             if (durableName == null && durable && dest instanceof Topic)
 124  
             {
 125  0
                 durableName = "mule." + connector.getName() + "." + endpoint.getEndpointURI().getAddress();
 126  0
                 logger.debug("Jms Connector for this receiver is durable but no durable name has been specified. Defaulting to: "
 127  
                         + durableName);
 128  
             }
 129  
 
 130  
             // Create consumer
 131  0
             consumer = jmsSupport.createConsumer(session, dest, selector, connector.isNoLocal(), durableName,
 132  
                     topic, endpoint);
 133  
         }
 134  0
         catch (JMSException e)
 135  
         {
 136  0
             throw new ConnectException(e, this);
 137  0
         }
 138  0
     }
 139  
 
 140  
     @Override
 141  
     protected void doStart() throws MuleException
 142  
     {
 143  
         try
 144  
         {
 145  
             // We ned to register the listener when start is called in order to only
 146  
             // start receiving messages after start.
 147  
             // If the consumer is null it means that the connection strategy is being
 148  
             // run in a separate thread and hasn't managed to connect yet.
 149  0
             if (consumer == null)
 150  
             {
 151  0
                 startOnConnect = true;
 152  
             }
 153  
             else
 154  
             {
 155  0
                 startOnConnect = false;
 156  0
                 this.consumer.setMessageListener(this);
 157  
             }
 158  
         }
 159  0
         catch (JMSException e)
 160  
         {
 161  0
             throw new StartException(e, this);
 162  0
         }
 163  0
     }
 164  
 
 165  
     @Override
 166  
     protected void doStop() throws MuleException
 167  
     {
 168  
         try
 169  
         {
 170  0
             if (consumer != null)
 171  
             {
 172  0
                 consumer.setMessageListener(null);
 173  
             }
 174  
         }
 175  0
         catch (JMSException e)
 176  
         {
 177  0
             throw new StopException(e, this);
 178  0
         }
 179  0
     }
 180  
 
 181  
     @Override
 182  
     public void doDisconnect() throws Exception
 183  
     {
 184  0
         closeConsumer();
 185  0
     }
 186  
 
 187  
     protected void closeConsumer()
 188  
     {
 189  0
         connector.closeQuietly(consumer);
 190  0
         consumer = null;
 191  0
         connector.closeQuietly(session);
 192  0
         session = null;
 193  0
     }
 194  
 
 195  
     public void onMessage(Message message)
 196  
     {
 197  
         try
 198  
         {
 199  0
             getWorkManager().scheduleWork(new MessageReceiverWorker(message, this));
 200  
         }
 201  0
         catch (Exception e)
 202  
         {
 203  0
             getConnector().getMuleContext().getExceptionListener().handleException(e);
 204  0
         }
 205  0
     }
 206  
 
 207  
     protected class MessageReceiverWorker implements Work
 208  
     {
 209  
         Message message;
 210  
         MessageReceiver receiver;
 211  
 
 212  
         public MessageReceiverWorker(Message message, MessageReceiver receiver)
 213  0
         {
 214  0
             this.message = message;
 215  0
             this.receiver = receiver;
 216  0
         }
 217  
 
 218  
         public void run()
 219  
         {
 220  
             try
 221  
             {
 222  0
                 TransactionTemplate<Void> tt = new TransactionTemplate<Void>(
 223  
                                                         endpoint.getTransactionConfig(),
 224  
                                                         connector.getMuleContext());
 225  
 
 226  0
                 final String encoding = endpoint.getEncoding();
 227  
 
 228  0
                 if (receiveMessagesInTransaction)
 229  
                 {
 230  0
                     TransactionCallback<Void> cb = new MessageTransactionCallback<Void>(message)
 231  0
                     {
 232  
 
 233  
                         public Void doInTransaction() throws Exception
 234  
                         {
 235  
                             // Get Transaction & Bind MuleSession
 236  0
                             Transaction tx = TransactionCoordination.getInstance().getTransaction();
 237  0
                             if (tx != null)
 238  
                             {
 239  0
                                 tx.bindResource(connector.getConnection(), session);
 240  
                             }
 241  0
                             if (tx instanceof JmsClientAcknowledgeTransaction)
 242  
                             {
 243  0
                                 tx.bindResource(message, message);
 244  
                             }
 245  
 
 246  0
                             if (logger.isDebugEnabled())
 247  
                             {
 248  0
                                 logger.debug("Message received it is of type: " +
 249  
                                         ClassUtils.getSimpleName(message.getClass()));
 250  0
                                 if (message.getJMSDestination() != null)
 251  
                                 {
 252  0
                                     logger.debug("Message received on " + message.getJMSDestination() + " ("
 253  
                                             + message.getJMSDestination().getClass().getName() + ")");
 254  
                                 }
 255  
                                 else
 256  
                                 {
 257  0
                                     logger.debug("Message received on unknown destination");
 258  
                                 }
 259  0
                                 logger.debug("Message CorrelationId is: " + message.getJMSCorrelationID());
 260  0
                                 logger.debug("Jms Message Id is: " + message.getJMSMessageID());
 261  
                             }
 262  
 
 263  0
                             if (message.getJMSRedelivered())
 264  
                             {
 265  0
                                 if (logger.isDebugEnabled())
 266  
                                 {
 267  0
                                     logger.debug("Message with correlationId: "
 268  
                                             + message.getJMSCorrelationID()
 269  
                                             + " is redelivered. handing off to Exception Handler");
 270  
                                 }
 271  0
                                 redeliveryHandler.handleRedelivery(message, receiver.getEndpoint(), receiver.getFlowConstruct());
 272  
                             }
 273  
 
 274  0
                             MuleMessage messageToRoute = createMuleMessage(message, encoding);
 275  0
                             routeMessage(messageToRoute);
 276  0
                             return null;
 277  
                         }
 278  
                     };
 279  0
                     tt.execute(cb);
 280  0
                 }
 281  
                 else
 282  
                 {
 283  0
                     MuleMessage messageToRoute = createMuleMessage(message, encoding);
 284  0
                     routeMessage(messageToRoute);
 285  
                 }
 286  
             }
 287  0
             catch (Exception e)
 288  
             {
 289  0
                 getConnector().getMuleContext().getExceptionListener().handleException(e);
 290  0
             }
 291  0
         }
 292  
 
 293  
         public void release()
 294  
         {
 295  
             // Nothing to release.
 296  0
         }
 297  
     }
 298  
 }