/*
 * Created on Jul 19, 2004
 * Created by Alon Rohter
 * Copyright (C) 2004, 2005, 2006 Aelitis, All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * This program 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 General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 * 
 * AELITIS, SAS au capital de 46,603.30 euros
 * 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
 *
 */

package org.gudy.azureus2.core3.disk;

import org.gudy.azureus2.core3.util.DirectByteBuffer;

/**
 * Used for receiving notification of async read request completion.
 */
public interface 
DiskManagerReadRequestListener 
{

	/**
	 * Notification that the read request has completed,
	 * along with its accompanying buffer data.
	 * @param request
	 * @param data
	 */

	public void 
	readCompleted( 
			DiskManagerReadRequest 	request, 
			DirectByteBuffer 		data );

	public void 
	readFailed( 
			DiskManagerReadRequest 	request, 
			Throwable		 		cause );

	public int
	getPriority();
	
	public void 
	requestExecuted(
		long 	bytes );
}