SupportPluginAggregationMethodThree.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.supportregression.epl;

import com.espertech.esper.epl.agg.aggregator.AggregationMethod;

import java.io.Serializable;

public class SupportPluginAggregationMethodThree implements Serializable, AggregationMethod
{
    private static Object[] lastEnterParameters;
    private int count;

    public void clear()
    {
        count = 0;
    }

    public static Object[] getLastEnterParameters() {
        return lastEnterParameters;
    }

    public void enter(Object value)
    {
        Object[] parameters = (Object[]) value;
        lastEnterParameters = parameters;
        int lower = (Integer) parameters[0];
        int upper = (Integer) parameters[1];
        int val = (Integer) parameters[2];
        if ((val >= lower) && (val <= upper))
        {
            count++;
        }
    }

    public void leave(Object value)
    {
        Object[] parameters = (Object[]) value;
        int lower = (Integer) parameters[0];
        int upper = (Integer) parameters[1];
        int val = (Integer) parameters[2];
        if ((val >= lower) && (val <= upper))
        {
            count--;
        }
    }

    public Object getValue()
    {
        return count;
    }

}