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/**

Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016.  All rights reserved.

Contact:
     SYSTAP, LLC DBA Blazegraph
     2501 Calvert ST NW #106
     Washington, DC 20008
     [email protected]

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; version 2 of the License.

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
*/
/*
 * Created on Feb 15, 2007
 */

package com.bigdata.journal;

import java.io.File;
import java.io.RandomAccessFile;
import java.nio.channels.FileChannel;

/**
 * An interface for implementations backed by a file on disk.
 * 
 * @author Bryan Thompson
 * @version $Id$
 */
public interface IDiskBasedStrategy extends IBufferStrategy {

    /**
     * The size of the file header in bytes.
     */
    public int getHeaderSize();
    
    /**
     * The backing file.
     */
    public File getFile();
    
    /**
     * The object used to read and write on that file.
     */
    public RandomAccessFile getRandomAccessFile();

    /**
     * The channel used to read and write on the file.
     */
    public FileChannel getChannel();
    
}