resolverservicemonitor.java

jxta平台的开发包

/*
 * 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 LIABIbLITY,
 * 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: ResolverServiceMonitor.java,v 1.4 2003/05/14 01:15:38 iam Exp $
 */

package net.jxta.impl.resolver.resolverMeter;

import net.jxta.meter.*;
import net.jxta.impl.meter.*;
import java.util.*;

/**
  * The Service Monitor Metric for the standard Resolver Service
**/
public class ResolverServiceMonitor extends GenericServiceMonitor {
	public static final String UNKNOWN_HANDLER = "--UNKNOWN-HANDLER--";
	
	private Hashtable queryHandlerMeters = new Hashtable();
	private Hashtable srdiHandlerMeters = new Hashtable();
	private Hashtable destinationMeters = new Hashtable();
	private Hashtable sourceMeters = new Hashtable();
	
	private ResolverMeter resolverMeter = new ResolverMeter(this);
	
	private ResolverServiceMetric cumulativeResolverServiceMetric;

	protected void init() {
		cumulativeResolverServiceMetric = (ResolverServiceMetric) getCumulativeServiceMetric();
		cumulativeResolverServiceMetric.setResolverMetric(resolverMeter.getCumulativeMetrics());
	}

	public ResolverMeter getResolverMeter() { return resolverMeter; }
	
	public synchronized QueryHandlerMeter registerQueryHandlerMeter(String handlerName) {
        QueryHandlerMeter queryHandlerMeter = (QueryHandlerMeter) queryHandlerMeters.get(handlerName);
        
        if (queryHandlerMeter == null) 
            queryHandlerMeter = addQueryHandlerMeter(handlerName, true);

        queryHandlerMeter.setRegistered(true);

        return queryHandlerMeter;
	}


	public synchronized QueryHandlerMeter addQueryHandlerMeter(String handlerName, boolean registered) {
		QueryHandlerMeter queryHandlerMeter = new QueryHandlerMeter(handlerName, this);
		queryHandlerMeters.put(handlerName, queryHandlerMeter);
		cumulativeResolverServiceMetric.addQueryHandlerMetric(queryHandlerMeter.getCumulativeMetrics());
		queryHandlerMeter.setRegistered(registered);
		
		return queryHandlerMeter;
	}

	public synchronized QueryHandlerMeter unregisterQueryHandlerMeter(String handlerName) {
		QueryHandlerMeter queryHandlerMeter = getQueryHandlerMeter(handlerName);
		queryHandlerMeter.setRegistered(false);

        return queryHandlerMeter;
	}

	public QueryHandlerMeter getQueryHandlerMeter(String handlerName) {
		QueryHandlerMeter queryHandlerMeter = (QueryHandlerMeter) queryHandlerMeters.get(handlerName);
		
		if (queryHandlerMeter == null)
			queryHandlerMeter = addQueryHandlerMeter(handlerName, false);

		return queryHandlerMeter;
	}


	
		
	public synchronized SrdiHandlerMeter registerSrdiHandlerMeter(String handlerName) {
        SrdiHandlerMeter srdiHandlerMeter = (SrdiHandlerMeter) srdiHandlerMeters.get(handlerName);
        
        if (srdiHandlerMeter == null) 
            srdiHandlerMeter = addSrdiHandlerMeter(handlerName, true);

        srdiHandlerMeter.setRegistered(true);

        return srdiHandlerMeter;
	}


	public synchronized SrdiHandlerMeter addSrdiHandlerMeter(String handlerName, boolean registered) {
		SrdiHandlerMeter srdiHandlerMeter = new SrdiHandlerMeter(handlerName);
		srdiHandlerMeters.put(handlerName, srdiHandlerMeter);
		cumulativeResolverServiceMetric.addSrdiHandlerMetric(srdiHandlerMeter.getCumulativeMetrics());
		srdiHandlerMeter.setRegistered(registered);
		
		return srdiHandlerMeter;
	}

	public synchronized SrdiHandlerMeter unregisterSrdiHandlerMeter(String handlerName) {
		SrdiHandlerMeter srdiHandlerMeter = getSrdiHandlerMeter(handlerName);
		srdiHandlerMeter.setRegistered(false);

        return srdiHandlerMeter;
	}

	public SrdiHandlerMeter getSrdiHandlerMeter(String handlerName) {
		SrdiHandlerMeter srdiHandlerMeter = (SrdiHandlerMeter) srdiHandlerMeters.get(handlerName);
		
		if (srdiHandlerMeter == null)
			srdiHandlerMeter = addSrdiHandlerMeter(handlerName, false);

		return srdiHandlerMeter;
	}

	protected ServiceMetric collectServiceMetrics() {
		ResolverServiceMetric resolverServiceMetric = (ResolverServiceMetric) createServiceMetric();

		boolean anyData = false;
		
		for (Enumeration e = queryHandlerMeters.elements(); e.hasMoreElements(); ) {
			QueryHandlerMeter queryHandlerMeter = (QueryHandlerMeter) e.nextElement();
			QueryHandlerMetric queryHandlerMetric = queryHandlerMeter.collectMetrics();	// clears delta from meter

			if (queryHandlerMetric != null) {
				resolverServiceMetric.addQueryHandlerMetric(queryHandlerMetric);
				anyData= true;
			}
		}

		for (Enumeration e = srdiHandlerMeters.elements(); e.hasMoreElements(); ) {
			SrdiHandlerMeter srdiHandlerMeter = (SrdiHandlerMeter) e.nextElement();
			SrdiHandlerMetric srdiHandlerMetric = srdiHandlerMeter.collectMetrics();	// clears delta from meter

			if (srdiHandlerMetric != null) {
				resolverServiceMetric.addSrdiHandlerMetric(srdiHandlerMetric);
				anyData= true;
			}
		}

		ResolverMetric resolverMetric = resolverMeter.collectMetrics();

		if (resolverMetric != null) {
			resolverServiceMetric.setResolverMetric(resolverMetric);
			anyData= true;
		}

		if (anyData)
			return resolverServiceMetric;
		else
			return null;
	}



	public ServiceMetric getServiceMetric(ServiceMonitorFilter serviceMonitorFilter, long fromTime, long toTime, int pulseIndex, long reportRate){
		int deltaReportRateIndex = monitorManager.getReportRateIndex(reportRate);
		ResolverServiceMetric origMetric = (ResolverServiceMetric)deltaServiceMetrics[deltaReportRateIndex];

		if(origMetric == null) {
			return null;
		} 

		ResolverServiceMonitorFilter resolverServiceMonitorFilter = (ResolverServiceMonitorFilter)serviceMonitorFilter;
		return origMetric.shallowCopy(resolverServiceMonitorFilter);
	}


	public ServiceMetric getCumulativeServiceMetric(ServiceMonitorFilter serviceMonitorFilter, long fromTime, long toTime){
		ResolverServiceMonitorFilter resolverServiceMonitorFilter = (ResolverServiceMonitorFilter)serviceMonitorFilter;
		ResolverServiceMetric origMetric = (ResolverServiceMetric)cumulativeServiceMetric;
		return origMetric.deepCopy(resolverServiceMonitorFilter);
	}
/*
	private ResolverServiceMetric copy(ResolverServiceMetric origMetric) {
		ResolverServiceMetric resolverServiceMetric = new ResolverServiceMetric();
		
		for (Iterator i = origMetric.getQueryHandlerMetrics(); i.hasNext(); ) {
			QueryHandlerMetric queryHandlerMetric = (QueryHandlerMetric)i.next();
			resolverServiceMetric.addQueryHandlerMetric(queryHandlerMetric);
		}

		for (Iterator i = origMetric.getSrdiHandlerMetrics(); i.hasNext(); ) {
			SrdiHandlerMetric srdiHandlerMetric = (SrdiHandlerMetric)i.next();
			resolverServiceMetric.addSrdiHandlerMetric(srdiHandlerMetric);
		}

		return resolverServiceMetric;	
	}
*/			
}