remotemonitorquery.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,
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 *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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 *  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: RemoteMonitorQuery.java,v 1.4 2003/05/01 17:34:19 iam Exp $
 */

package net.jxta.impl.peer;

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

import java.util.*;

public class RemoteMonitorQuery implements DocumentSerializable {

	public static final String CUMULATIVE_REPORT_REQUEST = "cumulativeReport";
	public static final String REGISTER_MONITOR_REQUEST = "registerMonitor";
	public static final String REMOVE_MONITOR_REQUEST = "removeMonitor";
	public static final String VALIDATE_FILTER_REQUEST = "validateFilter";
	public static final String VALIDATE_CUMULATIVE_FILTER_REQUEST = "validateCumulativeFilter";
	public static final String GET_MONITORING_CAPABILITIES_REQUEST = "remoteMonitoringCapabilities";
	public static final String PEER_MONITOR_INFO = "peerMonitorInfo";
	public static final String RENEW_LEASE = "renewLease";
	
	private String requestType;
	private MonitorFilter monitorFilter;
	private boolean includeCumulative;
	private long reportRate = -1;
	private long lease = -1;
	private int leaseId;

	public RemoteMonitorQuery() {} //for serialization code.
	private RemoteMonitorQuery(String requestType) { 
		this.requestType = requestType;
	}

	public MonitorFilter getMonitorFilter() { return monitorFilter; }
	private String getRequestType() { return requestType; }
	public long getReportRate() { return reportRate; }
	public long getLease() { return lease; }
	public int getLeaseId() { return leaseId; }
	public boolean isIncludeCumulative() { return includeCumulative; }
	
	 


	
	boolean isCumulativeReportQuery() { return requestType.equals(CUMULATIVE_REPORT_REQUEST); }
	boolean isRegisterMonitorQuery() { return requestType.equals(REGISTER_MONITOR_REQUEST); }
	boolean isRemoveMonitorQuery() { return requestType.equals(REMOVE_MONITOR_REQUEST); }
	boolean isValidateFilterRequest() { return requestType.equals(VALIDATE_FILTER_REQUEST); }
	boolean isValidateCumulativeFilterRequest() { return requestType.equals(VALIDATE_CUMULATIVE_FILTER_REQUEST); }
	boolean isPeerMonitorInfoQuery() { return requestType.equals(PEER_MONITOR_INFO); }
	boolean isLeaseRenewal() { return requestType.equals(RENEW_LEASE); }


	static RemoteMonitorQuery createGetCumulativeReportQuery(MonitorFilter monitorFilter) {
		RemoteMonitorQuery remoteMonitorQuery = new RemoteMonitorQuery(CUMULATIVE_REPORT_REQUEST);
		remoteMonitorQuery.monitorFilter = monitorFilter;
		return remoteMonitorQuery;
	}
		
	static RemoteMonitorQuery createRegisterMonitorQuery(boolean includeCumulative, MonitorFilter monitorFilter, long reportRate, long lease) {
		RemoteMonitorQuery remoteMonitorQuery = new RemoteMonitorQuery(REGISTER_MONITOR_REQUEST);
		remoteMonitorQuery.monitorFilter = monitorFilter;
		remoteMonitorQuery.reportRate = reportRate;
		remoteMonitorQuery.lease = lease;
		remoteMonitorQuery.includeCumulative = includeCumulative;
		return remoteMonitorQuery;
	}

	static RemoteMonitorQuery createRemoveMonitorListenerQuery(int leaseId) {
		RemoteMonitorQuery remoteMonitorQuery = new RemoteMonitorQuery(REMOVE_MONITOR_REQUEST);
		remoteMonitorQuery.leaseId = leaseId;
		return remoteMonitorQuery;
	}

	static RemoteMonitorQuery createPeerMonitorInfoQuery() {
		RemoteMonitorQuery remoteMonitorQuery = new RemoteMonitorQuery(PEER_MONITOR_INFO);
		return remoteMonitorQuery;		
	}

	static RemoteMonitorQuery createLeaseRenewalQuery(int leaseId, long requestedLease) {
		RemoteMonitorQuery remoteMonitorQuery = new RemoteMonitorQuery(RENEW_LEASE);
		remoteMonitorQuery.leaseId = leaseId;
		remoteMonitorQuery.lease = requestedLease;
		return remoteMonitorQuery;
	}


	public void serializeTo(Element element) throws DocumentSerializationException {
		DocumentSerializableUtilities.addString(element, "requestType", requestType);

		if (monitorFilter != null)
			DocumentSerializableUtilities.addDocumentSerializable(element, "monitorFilter", monitorFilter);
			
		if (lease > 0)
			DocumentSerializableUtilities.addLong(element, "lease", lease);

		if (leaseId > -1)
			DocumentSerializableUtilities.addInt(element, "leaseId", leaseId);			

		if (reportRate > 0)		
			DocumentSerializableUtilities.addLong(element, "reportRate", reportRate);

		if (includeCumulative) 
			DocumentSerializableUtilities.addBoolean(element, "includeCumulative", includeCumulative);
	}

	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("requestType")) 
				requestType = DocumentSerializableUtilities.getString(childElement);
			else if (tagName.equals("monitorFilter")) 
				monitorFilter = (MonitorFilter) DocumentSerializableUtilities.getDocumentSerializable(childElement, MonitorFilter.class);
			else if (tagName.equals("lease")) 
				lease = DocumentSerializableUtilities.getLong(childElement);
			else if (tagName.equals("leaseId")) 
				leaseId = DocumentSerializableUtilities.getInt(childElement);				
			else if (tagName.equals("reportRate")) 
				reportRate = DocumentSerializableUtilities.getLong(childElement);
			else if (tagName.equals("includeCumulative")) 
				includeCumulative = DocumentSerializableUtilities.getBoolean(childElement);
		}
	}
}