/*
***************************************************************************************
* 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.terminal.jse.listener;
import com.espertech.esper.client.EventBean;
import java.util.Formatter;
public class CountPerTypeListener extends BaseTerminalListener {
public CountPerTypeListener(ComplexEventListener complexEventListener) {
super(complexEventListener);
}
public void update(EventBean[] newEvents, EventBean[] oldEvents) {
Formatter outFormatter = new Formatter(new StringBuffer());
outFormatter.format("%10s | %10s\n", "type", "count");
outFormatter.format("---------- | ----------\n");
int total = 0;
for (int i = 0; i < newEvents.length; i++) {
String type = (String) newEvents[i].get("type");
long count = (Long) newEvents[i].get("countPerType");
outFormatter.format("%10s | %10s\n", type, count);
total += count;
}
outFormatter.format("%10s | %10s\n", "total =", total);
complexEventListener.onComplexEvent("Current count per type:\n" + outFormatter.out().toString());
}
}