querydestinationmeter.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
 *  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.
 *  ====================================================================
 *
 *  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: QueryDestinationMeter.java,v 1.2 2003/05/01 17:41:18 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 net.jxta.util.*;
import java.util.*;

public class QueryDestinationMeter  {
	private PeerID peerID;
	private QueryDestinationMetric cumulativeMetrics;
	private QueryDestinationMetric deltaMetrics;

	public QueryDestinationMeter(PeerID peerID) {
		cumulativeMetrics = new QueryDestinationMetric(peerID);
	}
	
	public synchronized QueryDestinationMetric collectMetrics() {
		QueryDestinationMetric prevDelta = deltaMetrics;
		deltaMetrics = null;
		return prevDelta;
	}
		
	public QueryDestinationMetric getCumulativeMetrics() { return cumulativeMetrics; }

	private void createDeltaMetric() {
		deltaMetrics = new QueryDestinationMetric(peerID);
	}

	protected void querySentViaUnicast() {
		if (deltaMetrics == null)	
			createDeltaMetric();
			
		deltaMetrics.querySentViaUnicast();
		cumulativeMetrics.querySentViaUnicast();
	}

	
	protected void responseSentViaUnicast() {
		if (deltaMetrics == null)	
			createDeltaMetric();
			
		deltaMetrics.responseSentViaUnicast();
		cumulativeMetrics.responseSentViaUnicast();
	}
	
	protected void responseProcessed() {
		if (deltaMetrics == null)	
			createDeltaMetric();
			
		deltaMetrics.responseProcessed();
		cumulativeMetrics.responseProcessed();
	}


	protected void responseToUnregisteredHandler() {
		if (deltaMetrics == null)	
			createDeltaMetric();
			
		deltaMetrics.responseToUnregisteredHandler();
		cumulativeMetrics.responseToUnregisteredHandler();
	}
	
	
	protected void errorWhileProcessingResponse() {
		if (deltaMetrics == null)	
			createDeltaMetric();
			
		deltaMetrics.errorWhileProcessingResponse();
		cumulativeMetrics.errorWhileProcessingResponse();
	}
	
	protected void queryProcessed() {
		if (deltaMetrics == null)	
			createDeltaMetric();
			
		deltaMetrics.queryProcessed();
		cumulativeMetrics.queryProcessed();
	}

	protected void queryToUnregisteredHandler() {
		if (deltaMetrics == null)	
			createDeltaMetric();
			
		deltaMetrics.queryToUnregisteredHandler();
		cumulativeMetrics.queryToUnregisteredHandler();
	}
		
	protected void errorWhileProcessingQuery() {
		if (deltaMetrics == null)	
			createDeltaMetric();
			
		deltaMetrics.errorWhileProcessingQuery();
		cumulativeMetrics.errorWhileProcessingQuery();
	}

}