/*
* Created on Jan 30, 2004
* Created by Alon Rohter
* Copyright (C) 2004, 2005, 2006 Alon Rohter, All Rights Reserved.
*
* 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.util;
public abstract class
DirectByteBufferPool
{
//According to reports (from the http://mina.apache.org folks), hotspot vms actually
//work better with non-direct (heap) buffers for network and disk io these days.
private static final DirectByteBufferPool impl = null;
static{
if ( System.getProperty( "use.heap.buffers" ) != null ){
// impl = new DirectByteBufferPoolHeap();
// Debug.outNoStack( "******** USE_HEAP_BUFFERS MODE ENABLED ********" );
}else{
// impl = new DirectByteBufferPoolReal();
}
}
public static DirectByteBuffer
getBuffer(
byte allocator,
int length )
{
return( impl.getBufferSupport( allocator, length ));
}
protected abstract DirectByteBuffer
getBufferSupport(
byte allocator,
int length );
protected abstract void
returnBufferSupport(
DirectByteBuffer buffer );
}