/*
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
* The software in this package is published under the terms of the CPAL v1.0
* license, a copy of which has been included with this distribution in the
* LICENSE.txt file.
*/
package org.mule.example.loanbroker.routers;
import org.mule.DefaultMuleEvent;
import org.mule.DefaultMuleMessage;
import org.mule.api.MuleEvent;
import org.mule.example.loanbroker.LocaleMessage;
import org.mule.example.loanbroker.messages.LoanQuote;
import org.mule.routing.EventGroup;
import java.util.Iterator;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
public class BankQuotesAggregationLogic
{
/**
* logger used by this class
*/
protected static final Log logger = LogFactory.getLog(BankQuotesAggregationLogic.class);
public static MuleEvent aggregateEvents(EventGroup events) throws Exception
{
LoanQuote lowestQuote = null;
LoanQuote quote = null;
MuleEvent event = null;
for (Iterator<MuleEvent> iterator = events.iterator(false); iterator.hasNext();)
{
event = iterator.next();
Object o = event.getMessage().getPayload();
if(o instanceof LoanQuote)
{
quote = (LoanQuote)o;
}
else
{
throw new IllegalArgumentException("Object received by Aggregator is not of expected type. Wanted: "
+ LoanQuote.class.getName() + " Got: " + o);
}
logger.info(LocaleMessage.processingQuote(quote));
if (lowestQuote == null)
{
lowestQuote = quote;
}
else
{
if (quote.getInterestRate() < lowestQuote.getInterestRate())
{
lowestQuote = quote;
}
}
}
logger.info(LocaleMessage.lowestQuote(lowestQuote));
return new DefaultMuleEvent(new DefaultMuleMessage(lowestQuote, event.getMessage(),
event.getMuleContext()), event);
}
}