propagationmeter.java

JXTA&#8482 is a set of open, generalized peer-to-peer (P2P) protocols that allow any networked devi

/*
 * Copyright (c) 2001-2007 Sun Microsystems, Inc.  All rights reserved.
 *  
 *  The Sun Project JXTA(TM) Software License
 *  
 *  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 Sun Microsystems, Inc. for JXTA(TM) technology." 
 *     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 
 *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
 *  OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
 *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
 *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 
 *  EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *  
 *  JXTA is a registered trademark of Sun Microsystems, Inc. in the United 
 *  States and other countries.
 *  
 *  Please see the license information page at :
 *  <http://www.jxta.org/project/www/license.html> for instructions on use of 
 *  the license in source files.
 *  
 *  ====================================================================
 *  
 *  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. 
 */

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;
    }

    @Override
    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;
     }
     */	
}