gcc/libjava/java/nio/MappedByteBuffer.java

/* MappedByteBuffer.java -- 
   Copyright (C) 2002 Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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any later version.

GNU Classpath 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.

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along with GNU Classpath; see the file COPYING.  If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA.

Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
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combination.

As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
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package java.nio;

/**
 * @author Michael Koch
 * @since 1.4
 */
public abstract class MappedByteBuffer extends ByteBuffer
{
  private boolean loaded = false;
  
  MappedByteBuffer (int capacity, int limit, int position, int mark)
  {
    super (capacity, limit, position, mark);
  }
  
  public final MappedByteBuffer force ()
  {
    // FIXME: Flush to disk here.
    return this;
  }
    
  public final boolean isLoaded ()
  {
    return loaded;
  }
    
  public final MappedByteBuffer load ()
  {
    // FIXME: Try to load all pages into memory.
    loaded = true;
    return this;
  }
}