/*
 * Copyright (c) 2001-2007 Sun Microsystems, Inc.  All rights reserved.
 *  
 *  The Sun Project JXTA(TM) Software License
 *  
 *  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 Sun Microsystems, Inc. for JXTA(TM) technology." 
 *     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.
 *  
 *  JXTA is a registered trademark of Sun Microsystems, Inc. in the United 
 *  States and other countries.
 *  
 *  Please see the license information page at :
 *  <http://www.jxta.org/project/www/license.html> for instructions on use of 
 *  the license in source files.
 *  
 *  ====================================================================
 *  
 *  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. 
 */

package net.jxta.discovery;


import net.jxta.document.Advertisement;
import net.jxta.protocol.DiscoveryResponseMsg;

import java.util.Enumeration;
import java.util.EventObject;


/**
 *  Container for DiscoveryService events. The source of the event is the Endpoint
 *  address of the responding peer
 */
public class DiscoveryEvent extends EventObject {

    private final DiscoveryResponseMsg response;
    private final int queryID;

    /**
     *  Creates a new event
     *
     *  @see net.jxta.protocol.DiscoveryResponseMsg
     *  @see net.jxta.protocol.ResolverResponseMsg
     *
     *  @param source The source of the event is the Endpoint address of the responding peer
     *  @param response The response message for which this event is being generated.
     *  @param queryid The query id associated with the response returned in this event
     */
    public DiscoveryEvent(Object source, DiscoveryResponseMsg response, int queryid) {
        super(source);
        this.response = response;
        this.queryID = queryid;
    }

    /**
     *  Returns the response associated with the event
     *
     *  @return DiscoveryResponseMsg
     *
     *  @see net.jxta.protocol.DiscoveryResponseMsg
     */
    public DiscoveryResponseMsg getResponse() {

        return response;
    }

    /**
     *  Returns the query id associated with the response returned in this event
     *
     *  @return query id associated with the response
     */
    public int getQueryID() {

        return queryID;
    }

    /**
     * Returns an array of advertisements contained in the DiscoveryResponse
     * for this event.
     *
     * @return Enumeration of Advertisements
     */
    public Enumeration<Advertisement> getSearchResults() {

        return response.getAdvertisements();
    }
}