source.java

jrobin,使用纯java实现的RRD数据库,使用RRD数据库来统计数据.

/* ============================================================
 * JRobin : Pure java implementation of RRDTool's functionality
 * ============================================================
 *
 * Project Info:  http://www.jrobin.org
 * Project Lead:  Sasa Markovic ([e-mail]);
 *
 * (C) Copyright 2003-2005, by Sasa Markovic.
 *
 * Developers:    Sasa Markovic ([e-mail])
 *
 *
 * This library is free software; you can redistribute it and/or modify it under the terms
 * of the GNU Lesser General Public License as published by the Free Software Foundation;
 * either version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307, USA.
 */

package org.jrobin.data;

import org.jrobin.core.ConsolFuns;
import org.jrobin.core.RrdException;

abstract class Source implements ConsolFuns {
	final private String name;
	protected double[] values;
	protected long[] timestamps;

	Source(String name) {
		this.name = name;
	}

	String getName() {
		return name;
	}

	void setValues(double[] values) {
		this.values = values;
	}

	void setTimestamps(long[] timestamps) {
		this.timestamps = timestamps;
	}

	double[] getValues() {
		return values;
	}

	long[] getTimestamps() {
		return timestamps;
	}

	Aggregates getAggregates(long tStart, long tEnd) throws RrdException {
		Aggregator agg = new Aggregator(timestamps, values);
		return agg.getAggregates(tStart, tEnd);
	}

	double getPercentile(long tStart, long tEnd, double percentile) throws RrdException {
		Aggregator agg = new Aggregator(timestamps, values);
		return agg.getPercentile(tStart, tEnd, percentile);
	}
}