propagationmeter.java

jxta_src_2.41b jxta 2.41b 最新版源码 from www.jxta.org

/*
 * Copyright (c) 2001 Sun Microsystems, Inc.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *       Sun Microsystems, Inc. for Project JXTA."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact Project JXTA at http://www.jxta.org.
 *
 * 5. Products derived from this software may not be called "JXTA",
 *    nor may "JXTA" appear in their name, without prior written
 *    permission of Sun.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL SUN MICROSYSTEMS OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of Project JXTA.  For more
 * information on Project JXTA, please see
 * <http://www.jxta.org/>.
 *
 * This license is based on the BSD license adopted by the Apache Foundation.
 *
 * $Id: PropagationMeter.java,v 1.2 2003/05/14 01:08:12 iam Exp $
 */

package net.jxta.impl.endpoint.endpointMeter;

/**
  *    Meter corresponding to a propagated messages 
  **/
public class PropagationMeter {
	private String serviceName;
	private String serviceParameter;
	
	private PropagationMetric totals;
	private PropagationMetric delta;

	public PropagationMeter(String serviceName, String serviceParameter) {
		this.serviceName = serviceName;
		this.serviceParameter = serviceParameter;
		this.totals = new PropagationMetric(this);
	}


	private void createDeltaMetric() {
		delta = new PropagationMetric(this);
	}	
	
	public void registerPropagateMessageStats(int numPropagatedTo, int numFilteredOut, int numErrorsPropagated, long propagationTime) {
		if (delta == null)	
			createDeltaMetric();
			
		delta.registerPropagateMessageStats(numPropagatedTo, numFilteredOut, numErrorsPropagated, propagationTime);
		totals.registerPropagateMessageStats(numPropagatedTo, numFilteredOut, numErrorsPropagated, propagationTime);
	}

	String getServiceName() { return serviceName; }
	String getServiceParameter() { return serviceParameter; }


	public String toString() {
		return "PropagationMeter(" + serviceName + "//" +  serviceParameter + ")";
	}
	
	public PropagationMetric getCumulativeMetrics() { return totals; }

	public synchronized PropagationMetric collectMetrics() {
		PropagationMetric prevDelta = delta;
		delta = null;
		return prevDelta;
	}

/* Fix-Me: delete after next build.. unused
	public synchronized PropagationMetric addDeltaToTotals(long reportingDelta) {		// returns delta
		if (delta != null) {
			totals.mergeMetrics(delta);
			PropagationMetric oldDelta = delta;
			delta = null;
			return oldDelta;
		} else
			return null;
	}
*/	
}