?? fileserversession.java
字號:
/*
* Copyright (C) 2000-2001 Ken McCrary
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Email: jkmccrary@yahoo.com
*/
package com.kenmccrary.jtella;
import com.kenmccrary.jtella.util.Log;
/**
* Session that can be used to respond to Query messages and receive
* Push messages
*
*/
public class FileServerSession
{
private Router router;
private MessageReceiver receiver;
/**
* Constructs the <code>FileServerSession</code>, not visible
* to application
*
*/
FileServerSession(Router router,
MessageReceiver receiver)
{
this.router = router;
this.receiver = receiver;
router.addSearchMessageReceiver(receiver);
router.addPushMessageReceiver(receiver);
}
/**
* Closes the session
*
*/
public void close()
{
router.removeSearchMessageReceiver(receiver);
router.removePushMessageReceiver(receiver);
}
/**
* An application should call <code>queryHit</code> to indicate that
* a search query is satisfied
*
* @param request search message which has a hit
* @param response hit information
*/
public void queryHit(SearchMessage request,
SearchReplyMessage response)
{
NodeConnection connection = router.getQuerySource(request);
try
{
if (null != connection)
{
connection.prioritySend(response);
}
else
{
Log.getLog().logDebug("Null connection for query: \n" +
request.toString());
}
}
catch (Exception e)
{
Log.getLog().log(e);
}
}
}
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