Coverage Report - org.mule.routing.SingleCorrelatorCallback
 
Classes in this File Line Coverage Branch Coverage Complexity
SingleCorrelatorCallback
0%
0/7
0%
0/4
1.333
 
 1  
 /*
 2  
  * $Id: SingleCorrelatorCallback.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.api.MuleEvent;
 13  
 import org.mule.api.MuleMessage;
 14  
 import org.mule.api.routing.RoutingException;
 15  
 import org.mule.routing.inbound.EventGroup;
 16  
 
 17  
 import org.apache.commons.logging.Log;
 18  
 import org.apache.commons.logging.LogFactory;
 19  
 
 20  
 /**
 21  
  * A Correlator that correlates one message at a time
 22  
  */
 23  0
 public class SingleCorrelatorCallback implements EventCorrelatorCallback
 24  
 {
 25  
     /**
 26  
      * logger used by this class
 27  
      */
 28  0
     protected transient final Log logger = LogFactory.getLog(CollectionCorrelatorCallback.class);
 29  
 
 30  
     /**
 31  
      * The <code>SingleResponseRouter</code> will return true if the event group
 32  
      * size is 1. If the group size is greater than 1, a warning will be logged.
 33  
      *
 34  
      * @param events
 35  
      * @return true if the event group size is 1 or greater
 36  
      * @see {@link org.mule.routing.response.AbstractResponseAggregator#shouldAggregateEvents(EventGroup)}
 37  
      */
 38  
     public boolean shouldAggregateEvents(EventGroup events)
 39  
     {
 40  0
         if (events.expectedSize() > 1)
 41  
         {
 42  0
             logger.warn("CorrelationGroup's expected size is not 1."
 43  
                     + " The SingleResponseAggregator will only handle single replyTo events;"
 44  
                     + " if there will be multiple events for a single request, "
 45  
                     + " use the 'ResponseCorrelationAggregator'");
 46  
         }
 47  
 
 48  0
         return (events.size() != 0);
 49  
     }
 50  
 
 51  
     /**
 52  
      * The <code>SingleResponseRouter</code> will always return the first event of
 53  
      * an event group.
 54  
      *
 55  
      * @param events the event group for this request
 56  
      * @return an aggregated message
 57  
      * @throws org.mule.api.routing.RoutingException
 58  
      *          if the aggregation fails. in
 59  
      *          this scenario the whole event group is removed and passed to the
 60  
      *          exception handler for this componenet
 61  
      * @see {@link org.mule.routing.response.AbstractResponseAggregator#aggregateEvents(EventGroup)}
 62  
      */
 63  
     public MuleMessage aggregateEvents(EventGroup events) throws RoutingException
 64  
     {
 65  0
         return ((MuleEvent) events.iterator().next()).getMessage();
 66  
     }
 67  
 
 68  
     public EventGroup createEventGroup(MuleEvent event, Object id)
 69  
     {
 70  0
         return new EventGroup(id);
 71  
     }
 72  
 }