srdihandlermetric.java

jxta平台的开发包

/*
 * Copyright (c) 2001 Sun Micro//Systems, 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 Micro//Systems, 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 Micro//Systems, 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 MICRO//SystemS 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.
 * ====================================================================
 *
 * 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: SrdiHandlerMetric.java,v 1.6 2003/05/14 01:15:39 iam Exp $
 */

package net.jxta.impl.resolver.resolverMeter;

import net.jxta.resolver.*;
import net.jxta.util.documentSerializable.*;
import net.jxta.document.*;
import net.jxta.endpoint.EndpointAddress;
import net.jxta.peer.*;
import net.jxta.impl.meter.*;

import java.util.*;

public class SrdiHandlerMetric implements DocumentSerializable {
	private String handlerName;
	private boolean registered = true;
	private int numProcessed = 0;
	private int numErrorsWhileProcessing = 0;
	private int numToUnregisteredHandler = 0;
	
	private long totalProcessTime = 0;
	
	private int numMessagesSentViaWalker = 0;
	private int numMessagesSentViaUnicast = 0;
	private int numErrorsSendingMessages = 0;
	private int numErrorsPropagatingMessages = 0;
	
	private HashMap destinationMetrics = new HashMap();
		
	public SrdiHandlerMetric(String handlerName) {
		this.handlerName = handlerName;
	}

	public SrdiHandlerMetric() { }

	public SrdiHandlerMetric(SrdiHandlerMetric prototype) {
		this.handlerName = prototype.handlerName;
	}
	
	public void setRegistered(boolean registered) { this.registered = registered; }

	public String getHandlerName() { return handlerName; }
	public boolean getRegistered() { return registered; }
	public int getNumProcessed() { return numProcessed; }
	public int getNumErrorsWhileProcessing() { return numErrorsWhileProcessing; }
	public long getTotalProcessTime() { return totalProcessTime; }
	public int getNumMessagesSentViaWalker() { return numMessagesSentViaWalker; }
	public int getNumMessagesSentViaUnicast() { return numMessagesSentViaUnicast; }
	public int getNumErrorsSendingMessages() { return numErrorsSendingMessages; }
	public int getNumErrorsPropagatingMessages() { return numErrorsPropagatingMessages; }
	

	public boolean equals(Object obj) {
		if (obj instanceof SrdiHandlerMetric) {
			SrdiHandlerMetric otherSrdiHandlerMetric = (SrdiHandlerMetric) obj;
			return handlerName.equals((otherSrdiHandlerMetric.handlerName));
		} else
			return false;
	}

	public int hashCode() { 
		return handlerName.hashCode();
	}

	public void messageProcessed(long processTime) {
		numProcessed++;
		totalProcessTime += processTime;
	}

	public void errorWhileProcessing() {
		numErrorsWhileProcessing++;
	}

	public void srdiToUnregisteredHandler() {
		numToUnregisteredHandler++;
	}	

	
	public void messageSentViaWalker() {
		numMessagesSentViaWalker++;
	}

	public void messageSentViaUnicast() {
		numMessagesSentViaUnicast++;
	}

	public void errorSendingMessage() {
		numErrorsSendingMessages++;
	}

	public void errorPropagatingMessage() {
		numErrorsPropagatingMessages++;
	}	


	SrdiDestinationMetric getSrdiDestinationMetric(EndpointAddress endpointAddress) {
		PeerID peerID = MetricUtilities.getPeerIdFromEndpointAddress(endpointAddress);
		return getSrdiDestinationMetric(peerID);
	}
		
	SrdiDestinationMetric getSrdiDestinationMetric(PeerID peerID) {
		
		SrdiDestinationMetric destinationMetric = (SrdiDestinationMetric) destinationMetrics.get(peerID);
		
		if(destinationMetric == null) {
			destinationMetric = new SrdiDestinationMetric(peerID);
			destinationMetrics.put(peerID, destinationMetric);
		}
		return destinationMetric;
	}

	public Iterator getDestinationMetrics() {

		return destinationMetrics.values().iterator();
	}

	public void addSrdiDestinationMetric(SrdiDestinationMetric srdiDestinationMetric) {
		destinationMetrics.put(srdiDestinationMetric.getPeerID(), srdiDestinationMetric);
	}

	public void serializeTo(Element element) throws DocumentSerializationException {
		if (handlerName != null)
			DocumentSerializableUtilities.addString(element, "handlerName", handlerName);
		DocumentSerializableUtilities.addBoolean(element, "registered", registered);
		if (numProcessed != 0)
			DocumentSerializableUtilities.addInt(element, "numProcessed", numProcessed);
		if (numErrorsWhileProcessing != 0)
			DocumentSerializableUtilities.addInt(element, "numErrorsWhileProcessing", numErrorsWhileProcessing);
		if (numToUnregisteredHandler != 0)
			DocumentSerializableUtilities.addInt(element, "numToUnregisteredHandler", numToUnregisteredHandler);
		if (totalProcessTime != 0)
			DocumentSerializableUtilities.addLong(element, "totalProcessTime", totalProcessTime);
		if (numMessagesSentViaWalker != 0)
			DocumentSerializableUtilities.addInt(element, "numMessagesSentViaWalker", numMessagesSentViaWalker);
		if (numMessagesSentViaUnicast != 0)
			DocumentSerializableUtilities.addInt(element, "numMessagesSentViaUnicast", numMessagesSentViaUnicast);
		if (numErrorsSendingMessages != 0)
			DocumentSerializableUtilities.addInt(element, "numErrorsSendingMessages", numErrorsSendingMessages);
		if (numErrorsPropagatingMessages != 0)
			DocumentSerializableUtilities.addInt(element, "numErrorsPropagatingMessages", numErrorsPropagatingMessages);

		for(Iterator i = destinationMetrics.values().iterator(); i.hasNext();) {
			Element srdiDestinationElement = DocumentSerializableUtilities.createChildElement(element, "destination");
			SrdiDestinationMetric srdiDestinationMetric = (SrdiDestinationMetric) i.next();
			srdiDestinationMetric.serializeTo(srdiDestinationElement);
		}
	}


	public void initializeFrom(Element element) throws DocumentSerializationException {
		for (Enumeration e=element.getChildren(); e.hasMoreElements(); ) {
			Element childElement = (TextElement) e.nextElement();
			String tagName = (String) childElement.getKey();

			if (tagName.equals("handlerName")) 
				handlerName = DocumentSerializableUtilities.getString(childElement);
			else if (tagName.equals("registered")) 
				registered = DocumentSerializableUtilities.getBoolean(childElement);
			else if (tagName.equals("numProcessed")) 
				numProcessed = DocumentSerializableUtilities.getInt(childElement);
			else if (tagName.equals("numErrorsWhileProcessing")) 
				numErrorsWhileProcessing = DocumentSerializableUtilities.getInt(childElement);
			else if (tagName.equals("numToUnregisteredHandler")) 
				numToUnregisteredHandler = DocumentSerializableUtilities.getInt(childElement);
			else if (tagName.equals("totalProcessTime")) 
				totalProcessTime = DocumentSerializableUtilities.getLong(childElement);
			else if (tagName.equals("numMessagesSentViaWalker")) 
				numMessagesSentViaWalker = DocumentSerializableUtilities.getInt(childElement);
			else if (tagName.equals("numMessagesSentViaUnicast")) 
				numMessagesSentViaUnicast = DocumentSerializableUtilities.getInt(childElement);
			else if (tagName.equals("numErrorsSendingMessages")) 
				numErrorsSendingMessages = DocumentSerializableUtilities.getInt(childElement);
			else if (tagName.equals("numErrorsPropagatingMessages")) 
				numErrorsPropagatingMessages = DocumentSerializableUtilities.getInt(childElement);
			else if(tagName.equals("destination")) {
				SrdiDestinationMetric srdiDestinationMetric = new SrdiDestinationMetric();
				srdiDestinationMetric.initializeFrom(childElement);
				addSrdiDestinationMetric(srdiDestinationMetric);
			}
		}
	}



	public void mergeMetrics(SrdiHandlerMetric otherSrdiHandlerMetric) {
		numProcessed += otherSrdiHandlerMetric.numProcessed;
		numErrorsWhileProcessing += otherSrdiHandlerMetric.numErrorsWhileProcessing;
		totalProcessTime += otherSrdiHandlerMetric.totalProcessTime;
		numMessagesSentViaWalker += otherSrdiHandlerMetric.numMessagesSentViaWalker;
		numMessagesSentViaUnicast += otherSrdiHandlerMetric.numMessagesSentViaUnicast;
		numErrorsSendingMessages += otherSrdiHandlerMetric.numErrorsSendingMessages;
		numErrorsPropagatingMessages += otherSrdiHandlerMetric.numErrorsPropagatingMessages;
		for(Iterator i = otherSrdiHandlerMetric.getDestinationMetrics(); i.hasNext();) {
			SrdiDestinationMetric otherSrdiDestinationMetric = (SrdiDestinationMetric) i.next();
			SrdiDestinationMetric ourSrdiDestinationMetric = getSrdiDestinationMetric(otherSrdiDestinationMetric.getPeerID());

			if(ourSrdiDestinationMetric == null) {
				ourSrdiDestinationMetric = new SrdiDestinationMetric(otherSrdiDestinationMetric);
				addSrdiDestinationMetric(ourSrdiDestinationMetric);
			}
				
			ourSrdiDestinationMetric.mergeMetrics(otherSrdiDestinationMetric);
		}
	}
}