querydestinationmetric.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
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 *  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 *  DISCLAIMED.  IN NO EVENT SHALL SUN MICROSYSTEMS OR
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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: QueryDestinationMetric.java,v 1.7 2004/05/12 21:22:17 jice 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 net.jxta.util.*;
import net.jxta.impl.meter.*;

import java.util.*;

/** 
  * Metrics for a specific Query Destination for a specific handler 
  **/
public class QueryDestinationMetric implements DocumentSerializable{
	private PeerID peerID;
	private int errorWhileProcessingQuery;
	private int queryProcessed;
	private int errorWhileProcessingResponse;
	private int responseProcessed;
	private int responseSentViaUnicast;
	private int querySentViaUnicast;

	private int queryToUnregisteredHandler;
	private int responseToUnregisteredHandler;
	
	public QueryDestinationMetric(PeerID pid) {
            this.peerID = pid;
	}

	public QueryDestinationMetric(QueryDestinationMetric prototype) {
		this.peerID = prototype.peerID;	
	}

	public QueryDestinationMetric() {}

	public PeerID getPeerID() { return peerID; }

	void querySentViaUnicast() {querySentViaUnicast++;}
	/** Get Queries Sent via Unicast to this destinations **/
	public int getQueriesSentViaUnicast() {return querySentViaUnicast;}
	
	void responseSentViaUnicast() {responseSentViaUnicast++;}
	/** Get Responses Sent via Unicast to this destinations **/
	public int getResponsesSentViaUnicast() {return responseSentViaUnicast;}

	void responseToUnregisteredHandler() {responseToUnregisteredHandler++;}
	/** Get Responses Recieved to this handler when not registered **/
	public int getResponseToUnregisteredHandler() {return responseToUnregisteredHandler;}
		
	void responseProcessed() {responseProcessed++;}
	/** Get Responses received and processed locally **/
	public int getResponsesProcessed() {return responseProcessed;}
	
	void errorWhileProcessingResponse() {errorWhileProcessingResponse++;}
	/** Get Responses received but failing when processed locally **/
	public int getErrorsWhileProcessingResponse() {return errorWhileProcessingResponse;}
	
	void queryProcessed() {queryProcessed++;}
	/** Get Queries received and processed locally **/
	public int getQueriesProcessed() {return queryProcessed;}

	void queryToUnregisteredHandler() {queryToUnregisteredHandler++;}
	/** Get Queries Recieved to this handler when not registered **/
	public int getQueryToUnregisteredHandler() {return queryToUnregisteredHandler;}
	
	
	void errorWhileProcessingQuery() {errorWhileProcessingQuery++;}
	/** Get Queries received but failing when processed locally **/
	public int getErrorsWhileProcessingQuery() {return errorWhileProcessingQuery;}

	public void serializeTo(Element element) throws DocumentSerializationException {
		if (peerID != null)
			DocumentSerializableUtilities.addString(element, "peerID", peerID.toString());
		if (errorWhileProcessingQuery != 0)
			DocumentSerializableUtilities.addInt(element, "errorWhileProcessingQuery", errorWhileProcessingQuery);
		if (queryProcessed != 0)
			DocumentSerializableUtilities.addInt(element, "queryProcessed", queryProcessed);
		if (errorWhileProcessingResponse != 0)
			DocumentSerializableUtilities.addInt(element, "errorWhileProcessingResponse", errorWhileProcessingResponse);
		if (responseProcessed != 0)
			DocumentSerializableUtilities.addInt(element, "responseProcessed", responseProcessed);
		if (responseSentViaUnicast != 0)
			DocumentSerializableUtilities.addInt(element, "responseSentViaUnicast", responseSentViaUnicast);
		if (querySentViaUnicast != 0)
			DocumentSerializableUtilities.addInt(element, "querySentViaUnicast", querySentViaUnicast);
		if (queryToUnregisteredHandler != 0)
			DocumentSerializableUtilities.addInt(element, "queryToUnregisteredHandler", queryToUnregisteredHandler);
		if (responseToUnregisteredHandler != 0)
			DocumentSerializableUtilities.addInt(element, "responseToUnregisteredHandler", responseToUnregisteredHandler);
	}



	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("errorWhileProcessingQuery")) 
				errorWhileProcessingQuery = DocumentSerializableUtilities.getInt(childElement);
			else if (tagName.equals("queryProcessed")) 
				queryProcessed = DocumentSerializableUtilities.getInt(childElement);
			else if (tagName.equals("errorWhileProcessingResponse")) 
				errorWhileProcessingResponse = DocumentSerializableUtilities.getInt(childElement);
			else if (tagName.equals("responseProcessed")) 
				responseProcessed = DocumentSerializableUtilities.getInt(childElement);
			else if (tagName.equals("responseSentViaUnicast")) 
				responseSentViaUnicast = DocumentSerializableUtilities.getInt(childElement);
			else if (tagName.equals("querySentViaUnicast")) 
				querySentViaUnicast = DocumentSerializableUtilities.getInt(childElement);
			else if (tagName.equals("queryToUnregisteredHandler")) 
				queryToUnregisteredHandler = DocumentSerializableUtilities.getInt(childElement);
			else if (tagName.equals("responseToUnregisteredHandler")) 
				responseToUnregisteredHandler = DocumentSerializableUtilities.getInt(childElement);
		}
	}

	public void mergeMetrics(QueryDestinationMetric otherQueryDestinationMetric) {
		this.errorWhileProcessingQuery += otherQueryDestinationMetric.errorWhileProcessingQuery;
		this.queryProcessed += otherQueryDestinationMetric.queryProcessed;
		this.errorWhileProcessingResponse += otherQueryDestinationMetric.errorWhileProcessingResponse;
		this.responseProcessed += otherQueryDestinationMetric.responseProcessed;
		this.responseSentViaUnicast += otherQueryDestinationMetric.responseSentViaUnicast;
		this.querySentViaUnicast += otherQueryDestinationMetric.querySentViaUnicast;
		this.queryToUnregisteredHandler += otherQueryDestinationMetric.queryToUnregisteredHandler;
		this.responseToUnregisteredHandler += otherQueryDestinationMetric.responseToUnregisteredHandler;
	}

	public int hashCode() {
		return peerID.hashCode();
	}
	
	public boolean equals(Object other) {
		if(other instanceof QueryDestinationMetric) {
			QueryDestinationMetric otherQueryDestinationMetric = (QueryDestinationMetric) other;
			return peerID.equals(otherQueryDestinationMetric.peerID);
		} else {
			return false;
		}
	}	
}