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1   /*
2    * $Id: BankQuotesInboundAggregator.java 20321 2010-11-24 15:21:24Z dfeist $
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.example.loanbroker.routers;
12  
13  import org.mule.api.MuleEvent;
14  import org.mule.routing.AbstractCorrelationAggregator;
15  import org.mule.routing.AggregationException;
16  import org.mule.routing.EventGroup;
17  
18  /**
19   * <code>BankQuotesInboundAggregator</code> receives a number of quotes and selects the
20   * lowest
21   */
22  public class BankQuotesInboundAggregator extends AbstractCorrelationAggregator
23  {
24      /**
25       * This method is invoked if the shouldAggregate method is called and returns
26       * true. Once this method returns an aggregated message the event group is
27       * removed from the router
28       * 
29       * @param events the event group for this request
30       * @return an aggregated message
31       * @throws AggregationException if the aggregation fails. in this scenario the
32       *             whole event group is removed and passed to the exception handler
33       *             for this componenet
34       */
35      @Override
36      protected MuleEvent aggregateEvents(EventGroup events) throws AggregationException
37      {
38          try
39          {
40              return BankQuotesAggregationLogic.aggregateEvents(events);
41          }
42          catch (Exception e)
43          {
44              throw new AggregationException(events, null, e);
45          }
46      }
47  }