resolvermetric.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
 * 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,
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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: ResolverMetric.java,v 1.5 2003/05/14 01:15:38 iam Exp $
 */

 package net.jxta.impl.resolver.resolverMeter;

import net.jxta.resolver.*;
import net.jxta.util.documentSerializable.*;
import net.jxta.document.*;

import java.util.*;

/**
  * The general Metric for this resolver 
  **/
public class ResolverMetric implements DocumentSerializable {
	private int numInvalidSrdiMessages = 0;
	private int numSrdiMessagesToUnknownHandler = 0;
		
	private int numInvalidResponses = 0;
	private int numResponsesToUnknownHandler = 0;
	
	private int numInvalidQueries = 0;
	private int numQueriesToUnknownHandler = 0;

	
	public ResolverMetric() { }

	public ResolverMetric(ResolverMetric prototype) {	
	}

	/** Number of invalid Srdi Messages received */
	public int getNumInvalidSrdiMessages() { return numInvalidSrdiMessages; }
	/** Number of Srdi Messages received for unknown handlers */
	public int getNumSrdiMessagesToUnknownHandler() { return numSrdiMessagesToUnknownHandler; }
	/** Number of invalid Query Response Messages received */
	public int getNumInvalidResponses() { return numInvalidResponses; }
	/** Number of Response Messages to unknown handlers received */
	public int getNumResponsesToUnknownHandler() { return numResponsesToUnknownHandler; }
	/** Number of invalid Query Messages received */
	public int getNumInvalidQueries() { return numInvalidQueries; }
	/** Number of Query Messages to unknown handlers received */
	public int getNumQueriesToUnknownHandler() { return numQueriesToUnknownHandler; }

	void invalidSrdiMessageDiscarded() {
		numInvalidSrdiMessages++;
	}
	
	void unknownHandlerForSrdiMessage() {
		numSrdiMessagesToUnknownHandler++;
	}

	void invalidResponseDiscarded() {
		numInvalidResponses++;
	}

	void unknownHandlerForResponse() {
		numResponsesToUnknownHandler++;
	}

	void invalidQueryDiscarded() {
		numInvalidQueries++;
	}

	void unknownHandlerForQuery() {
		numQueriesToUnknownHandler++;
	}	



	public void serializeTo(Element element) throws DocumentSerializationException {
		if (numInvalidSrdiMessages != 0)
			DocumentSerializableUtilities.addInt(element, "numInvalidSrdiMessages", numInvalidSrdiMessages);
		if (numSrdiMessagesToUnknownHandler != 0)
			DocumentSerializableUtilities.addInt(element, "numSrdiMessagesToUnknownHandler", numSrdiMessagesToUnknownHandler);
		if (numInvalidResponses != 0)
			DocumentSerializableUtilities.addInt(element, "numInvalidResponses", numInvalidResponses);
		if (numResponsesToUnknownHandler != 0)
			DocumentSerializableUtilities.addInt(element, "numResponsesToUnknownHandler", numResponsesToUnknownHandler);
		if (numInvalidQueries != 0)
			DocumentSerializableUtilities.addInt(element, "numInvalidQueries", numInvalidQueries);
		if (numQueriesToUnknownHandler != 0)
			DocumentSerializableUtilities.addInt(element, "numQueriesToUnknownHandler", numQueriesToUnknownHandler);
	}


	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("numInvalidSrdiMessages")) 
				numInvalidSrdiMessages = DocumentSerializableUtilities.getInt(childElement);
			else if (tagName.equals("numSrdiMessagesToUnknownHandler")) 
				numSrdiMessagesToUnknownHandler = DocumentSerializableUtilities.getInt(childElement);
			else if (tagName.equals("numInvalidResponses")) 
				numInvalidResponses = DocumentSerializableUtilities.getInt(childElement);
			else if (tagName.equals("numResponsesToUnknownHandler")) 
				numResponsesToUnknownHandler = DocumentSerializableUtilities.getInt(childElement);
			else if (tagName.equals("numInvalidQueries")) 
				numInvalidQueries = DocumentSerializableUtilities.getInt(childElement);
			else if (tagName.equals("numQueriesToUnknownHandler")) 
				numQueriesToUnknownHandler = DocumentSerializableUtilities.getInt(childElement);
		}
	}



	public void mergeMetrics(ResolverMetric otherResolverMetric) {	
		if(otherResolverMetric == null) {
			return;  
		}
		this.numInvalidSrdiMessages += otherResolverMetric.numInvalidSrdiMessages;
		this.numSrdiMessagesToUnknownHandler += otherResolverMetric.numSrdiMessagesToUnknownHandler;

		this.numInvalidResponses += otherResolverMetric.numInvalidResponses;
		this.numResponsesToUnknownHandler += otherResolverMetric.numResponsesToUnknownHandler;

		this.numInvalidQueries += otherResolverMetric.numInvalidQueries;
		this.numQueriesToUnknownHandler += otherResolverMetric.numQueriesToUnknownHandler;

	}
}