/*
***************************************************************************************
* Copyright (C) 2006 EsperTech, Inc. All rights reserved. *
* http://www.espertech.com/esper *
* http://www.espertech.com *
* ---------------------------------------------------------------------------------- *
* The software in this package is published under the terms of the GPL license *
* a copy of which has been included with this distribution in the license.txt file. *
***************************************************************************************
*/
package com.espertech.esper.example.marketdatafeed;
import com.espertech.esper.client.EventBean;
import com.espertech.esper.client.UpdateListener;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class RateFalloffAlertListener implements UpdateListener {
public void update(EventBean[] newEvents, EventBean[] oldEvents) {
if (newEvents == null) {
return; // ignore old events for events leaving the window
}
EventBean theEvent = newEvents[0];
log.info("Rate fall-off detected for feed=" + theEvent.get("feed").toString() +
" and rate=" + theEvent.get("feedCnt") +
" and average=" + theEvent.get("avgCnt"));
}
private static final Logger log = LoggerFactory.getLogger(RateFalloffAlertListener.class);
}