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5827 amar.kumar 1 
/*
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 *	Copyright 2005 stat4j.org
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 *
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 *   Licensed under the Apache License, Version 2.0 (the "License");
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 *   you may not use this file except in compliance with the License.
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 *	You may obtain a copy of the License at
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 *
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 *       http://www.apache.org/licenses/LICENSE-2.0
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 *
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 *   Unless required by applicable law or agreed to in writing, software
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 *   distributed under the License is distributed on an "AS IS" BASIS,
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 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 *   See the License for the specific language governing permissions and
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 *   limitations under the License.
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 */
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package net.sourceforge.stat4j.calculators;
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import java.util.Properties;
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import net.sourceforge.stat4j.Metric;
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/**
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 * Name:		Count.java
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 * Date:		Aug 29, 2004
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 * Description:
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 *
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 *
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 * @author Lara D'Abreo
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 */
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public class Sum extends CalculatorAdapter {
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	protected double sum;
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	public Sum() {
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		reset();
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	}
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	public void applyMetric(Metric metric) {
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		setTimestamp(metric.getTimestamp());
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		if (metric.isSingle()) {
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			sum = sum + metric.getReading(getStatistic().getUnit());
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		} else {
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			sum = sum + metric.getReadingDelta(getStatistic().getUnit());
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		}
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	}
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	public double getResult() {
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		return sum;
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	}
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	public void reset() {
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		this.sum = 0.0;
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	}
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	public void init(String name,Properties properties) {
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		super.init(name);
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	}
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}