Coverage Report - org.mule.routing.CollectionCorrelatorCallback
 
Classes in this File Line Coverage Branch Coverage Complexity
CollectionCorrelatorCallback
0%
0/13
0%
0/6
2
 
 1  
 /*
 2  
  * $Id: CollectionCorrelatorCallback.java 11567 2008-04-11 13:08:05Z dirk.olmes $
 3  
  * --------------------------------------------------------------------------------------
 4  
  * Copyright (c) MuleSource, Inc.  All rights reserved.  http://www.mulesource.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  
 package org.mule.routing;
 11  
 
 12  
 import org.mule.DefaultMessageCollection;
 13  
 import org.mule.api.MuleEvent;
 14  
 import org.mule.api.MuleMessage;
 15  
 import org.mule.api.MuleMessageCollection;
 16  
 import org.mule.routing.inbound.EventGroup;
 17  
 
 18  
 import org.apache.commons.logging.Log;
 19  
 import org.apache.commons.logging.LogFactory;
 20  
 
 21  
 /**
 22  
  * A Correlator that correlates messages based on Mule correlation settings
 23  
  */
 24  0
 public class CollectionCorrelatorCallback implements EventCorrelatorCallback
 25  
 {
 26  
     /**
 27  
      * logger used by this class
 28  
      */
 29  0
     protected transient final Log logger = LogFactory.getLog(CollectionCorrelatorCallback.class);
 30  
 
 31  
     /**
 32  
      * This method is invoked if the shouldAggregate method is called and returns
 33  
      * true. Once this method returns an aggregated message, the event group is
 34  
      * removed from the router.
 35  
      *
 36  
      * @param events the event group for this request
 37  
      * @return an aggregated message
 38  
      * @throws org.mule.routing.AggregationException
 39  
      *          if the aggregation fails. in this scenario the
 40  
      *          whole event group is removed and passed to the exception handler
 41  
      *          for this componenet
 42  
      */
 43  
     public MuleMessage aggregateEvents(EventGroup events) throws AggregationException
 44  
     {
 45  0
         MuleMessageCollection message = new DefaultMessageCollection();
 46  0
         message.addMessages(events.toArray());
 47  0
         return message;
 48  
     }
 49  
 
 50  
     /**
 51  
      * Creates a new EventGroup that will expect the number of events as returned by
 52  
      * {@link org.mule.api.transport.MessageAdapter#getCorrelationGroupSize()}.
 53  
      */
 54  
     // //@Override
 55  
     public EventGroup createEventGroup(MuleEvent event, Object groupId)
 56  
     {
 57  0
         return new EventGroup(groupId, event.getMessage().getCorrelationGroupSize());
 58  
     }
 59  
 
 60  
     /**
 61  
      * @return <code>true</code> if the correlation size is not set or exactly the
 62  
      *         expected size of the event group.
 63  
      * @see org.mule.routing.inbound.AbstractEventAggregator#shouldAggregateEvents(EventGroup)
 64  
      */
 65  
     public boolean shouldAggregateEvents(EventGroup events)
 66  
     {
 67  0
         int size = events.expectedSize();
 68  
 
 69  0
         if (size == -1)
 70  
         {
 71  0
             logger.warn("Correlation Group Size not set, but CorrelationAggregator is being used."
 72  
                     + " Message is being forwarded");
 73  0
             return true;
 74  
         }
 75  
 
 76  0
         if (logger.isDebugEnabled())
 77  
         {
 78  0
             logger.debug("Correlation size is " + size + ". Current event group size is " + events.size()
 79  
                     + " for correlation " + events.getGroupId());
 80  
         }
 81  
 
 82  0
         return size == events.size();
 83  
     }
 84  
 
 85  
 }