Coverage Report - org.mule.transport.bpm.ProcessMessageReceiver
 
Classes in this File Line Coverage Branch Coverage Complexity
ProcessMessageReceiver
0%
0/36
0%
0/16
2.429
ProcessMessageReceiver$Worker
0%
0/11
N/A
2.429
 
 1  
 /*
 2  
  * $Id: ProcessMessageReceiver.java 19710 2010-09-23 16:29:07Z 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.bpm;
 12  
 
 13  
 import org.mule.DefaultMuleEvent;
 14  
 import org.mule.MessageExchangePattern;
 15  
 import org.mule.RequestContext;
 16  
 import org.mule.api.MuleEvent;
 17  
 import org.mule.api.MuleException;
 18  
 import org.mule.api.MuleMessage;
 19  
 import org.mule.api.construct.FlowConstruct;
 20  
 import org.mule.api.context.WorkManager;
 21  
 import org.mule.api.endpoint.EndpointBuilder;
 22  
 import org.mule.api.endpoint.InboundEndpoint;
 23  
 import org.mule.api.endpoint.OutboundEndpoint;
 24  
 import org.mule.api.lifecycle.CreateException;
 25  
 import org.mule.api.transport.Connector;
 26  
 import org.mule.api.transport.ConnectorException;
 27  
 import org.mule.api.transport.PropertyScope;
 28  
 import org.mule.config.i18n.MessageFactory;
 29  
 import org.mule.module.bpm.Process;
 30  
 import org.mule.session.DefaultMuleSession;
 31  
 import org.mule.transport.AbstractMessageReceiver;
 32  
 
 33  
 import java.util.Map;
 34  
 
 35  
 import javax.resource.spi.work.Work;
 36  
 import javax.resource.spi.work.WorkException;
 37  
 
 38  
 /** 
 39  
  * Generates an incoming Mule event from an executing workflow process. 
 40  
  * 
 41  
  * @deprecated It is recommended to configure BPM as a component rather than a transport for 3.x
 42  
  */
 43  
 public class ProcessMessageReceiver extends AbstractMessageReceiver
 44  
 {
 45  
 
 46  0
     private ProcessConnector connector = null;
 47  
 
 48  
     public ProcessMessageReceiver(Connector connector, FlowConstruct flowConstruct, InboundEndpoint endpoint)
 49  
             throws CreateException
 50  
     {
 51  0
         super(connector, flowConstruct, endpoint);
 52  0
         this.connector = (ProcessConnector) connector;
 53  0
     }
 54  
 
 55  
     public MuleMessage generateSynchronousEvent(String endpoint, Object payload, Map messageProperties) throws MuleException
 56  
     {
 57  0
         logger.debug("Executing process is sending an event (synchronously) to Mule endpoint = " + endpoint);
 58  0
         MuleMessage response = generateEvent(endpoint, payload, messageProperties, 
 59  
             MessageExchangePattern.REQUEST_RESPONSE);
 60  0
         if (logger.isDebugEnabled())
 61  
         {
 62  0
             logger.debug("Synchronous response is " + (response != null ? response.getPayload() : null));
 63  
         }
 64  0
         return response;
 65  
     }
 66  
 
 67  
     public void generateAsynchronousEvent(String endpoint, Object payload, Map messageProperties) throws MuleException, WorkException
 68  
     {
 69  0
         logger.debug("Executing process is dispatching an event (asynchronously) to Mule endpoint = " + endpoint);
 70  0
         WorkManager workManager = getWorkManager();
 71  0
         if (workManager != null)
 72  
         {
 73  0
             workManager.scheduleWork(new Worker(endpoint, payload, messageProperties));
 74  
         }
 75  
         else
 76  
         {
 77  0
             throw new ConnectorException(MessageFactory.createStaticMessage("WorkManager not available"), getConnector());
 78  
         }
 79  0
     }
 80  
 
 81  
     protected MuleMessage generateEvent(String endpoint, Object payload, Map messageProperties, MessageExchangePattern exchangePattern) throws MuleException
 82  
     {
 83  
         MuleMessage message;
 84  0
         if (payload instanceof MuleMessage)
 85  
         {
 86  0
             message = (MuleMessage) payload;
 87  
         }
 88  
         else
 89  
         {
 90  0
             message = createMuleMessage(payload, this.endpoint.getEncoding());
 91  
         }
 92  0
         message.addProperties(messageProperties, PropertyScope.INBOUND);
 93  0
         message.addProperties(messageProperties, PropertyScope.INVOCATION);
 94  
 
 95  
         //TODO should probably cache this
 96  0
         EndpointBuilder endpointBuilder = connector.getMuleContext().getRegistry().lookupEndpointFactory().getEndpointBuilder(endpoint);
 97  0
         endpointBuilder.setExchangePattern(exchangePattern);
 98  0
         OutboundEndpoint ep = endpointBuilder.buildOutboundEndpoint();
 99  
        
 100  0
         DefaultMuleEvent event = new DefaultMuleEvent(message, ep, new DefaultMuleSession(flowConstruct, connector.getMuleContext()));
 101  
 
 102  
         // Set correlation properties in SESSION scope so that they get propagated to response messages.
 103  0
         RequestContext.setEvent(event);
 104  0
         if (messageProperties.get(Process.PROPERTY_PROCESS_TYPE) != null)
 105  
         {
 106  0
             event.getMessage().setSessionProperty(Process.PROPERTY_PROCESS_TYPE, messageProperties.get(Process.PROPERTY_PROCESS_TYPE));
 107  
         }
 108  0
         if (messageProperties.get(Process.PROPERTY_PROCESS_ID) != null)
 109  
         {
 110  0
             event.getMessage().setSessionProperty(Process.PROPERTY_PROCESS_ID, messageProperties.get(Process.PROPERTY_PROCESS_ID));
 111  
         }
 112  
         
 113  0
         MuleEvent resultEvent = ep.process(event);
 114  
         
 115  0
         MuleMessage response = null;
 116  0
         if (resultEvent != null)
 117  
         {
 118  0
             response = resultEvent.getMessage();
 119  0
             if (response.getExceptionPayload() != null)
 120  
             {
 121  0
                 throw new ConnectorException(MessageFactory.createStaticMessage("Unable to send or route message"), getConnector(), response.getExceptionPayload().getRootException());
 122  
             }
 123  
         }
 124  
         
 125  0
         return response;
 126  
     }
 127  
 
 128  
     private class Worker implements Work
 129  
     {
 130  
         private String endpoint;
 131  
         private Object payload;
 132  
         private Map messageProperties;
 133  
 
 134  
         public Worker(String endpoint, Object payload, Map messageProperties)
 135  0
         {
 136  0
             this.endpoint = endpoint;
 137  0
             this.payload = payload;
 138  0
             this.messageProperties = messageProperties;
 139  0
         }
 140  
 
 141  
         public void run()
 142  
         {
 143  
             try
 144  
             {
 145  0
                 generateEvent(endpoint, payload, messageProperties, MessageExchangePattern.ONE_WAY);
 146  
             }
 147  0
             catch (Exception e)
 148  
             {
 149  0
                 getConnector().getMuleContext().getExceptionListener().handleException(e);
 150  0
             }
 151  0
         }
 152  
 
 153  
         public void release()
 154  0
         { /*nop*/ }
 155  
     }
 156  
 }