AverageLatencyMonitor.java

/*
 ***************************************************************************************
 *  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.qos_sla.monitor;

import com.espertech.esper.client.EPAdministrator;
import com.espertech.esper.client.EPServiceProviderManager;
import com.espertech.esper.client.EPStatement;
import com.espertech.esper.example.qos_sla.eventbean.OperationMeasurement;

public class AverageLatencyMonitor {
    private AverageLatencyMonitor() {
    }

    public static void start() {
        EPAdministrator admin = EPServiceProviderManager.getDefaultProvider().getEPAdministrator();

        EPStatement statView = admin.createEPL(
                "select * from " + OperationMeasurement.class.getName() +
                        "#groupwin(customerId)#groupwin(operationName)" +
                        "#length(100)#uni(latency)");

        statView.addListener(new AverageLatencyListener(10000));
    }
}