/*
*
* RHQ Management Platform
* Copyright (C) 2005-2012 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2, as
* published by the Free Software Foundation, and/or the GNU Lesser
* General Public License, version 2.1, also as published by the Free
* Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License and the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License
* and the GNU Lesser General Public License along with this program;
* if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
package org.rhq.server.metrics;
/**
* @author Stefan Negrea
*
*/
public class ArithmeticMeanCalculator {
private int iterations = 0;
private double arithmeticMean = 0;
public void add(double value) {
iterations++;
arithmeticMean = arithmeticMean + (value - arithmeticMean) / iterations;
}
public double getArithmeticMean() {
return arithmeticMean;
}
public void reset() {
iterations = 0;
arithmeticMean = 0;
}
}