srdidestinationmetric.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:
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 *  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
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 *  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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 *  ====================================================================
 *
 *  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: SrdiDestinationMetric.java,v 1.6 2003/05/14 01:15:38 iam Exp $
 */

package net.jxta.impl.resolver.resolverMeter;

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

import net.jxta.util.*;

/** 
  * Metrics for a specific Srdi Destination for a specific handler 
  **/
public class SrdiDestinationMetric implements DocumentSerializable {
	private PeerID peerID;
	private int messageProcessed;
	private int errorWhileProcessing;
	private int srdiToUnregisteredHandler = 0;

	private int messageSentViaUnicast;

	public SrdiDestinationMetric(PeerID peerID) {
		this.peerID = peerID;
	}
	
	public SrdiDestinationMetric(SrdiDestinationMetric prototype) {
		this.peerID = prototype.peerID;		
	}

	public SrdiDestinationMetric() {}

	public PeerID getPeerID() { return peerID; }

	void messageProcessed() {messageProcessed++;}
	/** Messages Received and Processed from this destinations **/
	public int getMessagesProcessed() {return messageProcessed;}
	
	void errorWhileProcessing() {errorWhileProcessing++;}
	/** Messages Received, but generating errors when processing **/
	public int getErrorsWhileProcessing() {return errorWhileProcessing;}
	
	void messageSentViaUnicast() {messageSentViaUnicast++;}
	/** Get Messages Sent via Unicast to this destinations **/
	public int getMessagesSentViaUnicast() {return messageSentViaUnicast;}
	
	public void srdiToUnregisteredHandler() { 	srdiToUnregisteredHandler++;	}	
	/** Messages Received, to this when it was not registered **/
	public int getSrdiToUnregisteredHandler() {return srdiToUnregisteredHandler;}

	public void serializeTo(Element element) throws DocumentSerializationException {
		if (peerID != null)
			DocumentSerializableUtilities.addString(element, "peerID", peerID.toString());
		if (messageProcessed != 0)
			DocumentSerializableUtilities.addInt(element, "messageProcessed", messageProcessed);
		if (errorWhileProcessing != 0)
			DocumentSerializableUtilities.addInt(element, "errorWhileProcessing", errorWhileProcessing);
		if (srdiToUnregisteredHandler != 0)
			DocumentSerializableUtilities.addInt(element, "srdiToUnregisteredHandler", srdiToUnregisteredHandler);
		if (messageSentViaUnicast != 0)
			DocumentSerializableUtilities.addInt(element, "messageSentViaUnicast", messageSentViaUnicast);
	}


	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("peerID"))  {
				String peerIDText = DocumentSerializableUtilities.getString(childElement);
				peerID = MetricUtilities.getPeerIdFromString(peerIDText);
			} else if (tagName.equals("messageProcessed")) 
				messageProcessed = DocumentSerializableUtilities.getInt(childElement);
			else if (tagName.equals("errorWhileProcessing")) 
				errorWhileProcessing = DocumentSerializableUtilities.getInt(childElement);
			else if (tagName.equals("srdiToUnregisteredHandler")) 
				srdiToUnregisteredHandler = DocumentSerializableUtilities.getInt(childElement);
			else if (tagName.equals("messageSentViaUnicast")) 
				messageSentViaUnicast = DocumentSerializableUtilities.getInt(childElement);
		}
	}


	public void mergeMetrics(SrdiDestinationMetric otherSrdiDestinationMetric) {
		this.errorWhileProcessing += otherSrdiDestinationMetric.errorWhileProcessing;
		this.messageProcessed += otherSrdiDestinationMetric.messageProcessed;
		this.messageSentViaUnicast += otherSrdiDestinationMetric.messageSentViaUnicast;
	}


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

	public boolean equals(Object other) {
		if(other instanceof SrdiDestinationMetric) {
			SrdiDestinationMetric otherSrdiDestinationMetric = (SrdiDestinationMetric) other;
			return peerID.equals(otherSrdiDestinationMetric.peerID);
		} else {
			return false;
		}
	}		
}