/*
***************************************************************************************
* 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.servershell;
import com.espertech.esper.client.EPAdministrator;
import com.espertech.esper.client.EPStatement;
import com.espertech.esper.client.EventBean;
import com.espertech.esper.client.UpdateListener;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class SampleStatement {
private static Logger log = LoggerFactory.getLogger(SampleStatement.class);
public static void createStatement(EPAdministrator admin) {
EPStatement statement = admin.createEPL("select istream ipAddress, avg(duration) from SampleEvent#time(10 sec) group by ipAddress output snapshot every 2 seconds order by ipAddress asc");
statement.addListener(new UpdateListener() {
public void update(EventBean[] newEvents, EventBean[] oldEvents) {
if (newEvents == null) {
return;
}
for (int i = 0; i < newEvents.length; i++) {
if (log.isInfoEnabled()) {
log.info("IPAddress: " + newEvents[i].get("ipAddress") +
" Avg Duration: " + newEvents[i].get("avg(duration)"));
}
}
}
});
}
}