gcc/libjava/java/nio/channels/SelectableChannel.java

/* SelectableChannel.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
the Free Software Foundation; either version 2, or (at your option)
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
module.  An independent module is a module which is not derived from
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this exception to your version of the library, but you are not
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exception statement from your version. */

package java.nio.channels;

import java.nio.channels.spi.AbstractInterruptibleChannel;
import java.nio.channels.spi.SelectorProvider;

public abstract class SelectableChannel
  extends AbstractInterruptibleChannel
{
  protected SelectableChannel()
  {
  }
  
  public abstract  Object blockingLock();

  /**
   * @exception ClosedChannelException FIXME
   * @exception IllegalBlockingModeException FIXME
   * @exception IOException FIXME
   */
  public abstract  SelectableChannel configureBlocking(boolean block);
  
  public abstract  boolean isBlocking();
  
  public abstract  boolean isRegistered();
  
  public abstract  SelectionKey keyFor(Selector sel);
  
  public abstract  SelectorProvider provider();
  
  /**
   * @exception CancelledKeyException FIXME
   * @exception ClosedChannelException FIXME
   * @exception IllegalArgumentException FIXME
   * @exception IllegalBlockingModeException FIXME
   * @exception IllegalSelectorException FIXME
   */
  public final SelectionKey register(Selector sel, int ops) throws java.nio.channels.ClosedChannelException
  {
    return register(sel, ops, null);
  }
  
  /**
   * @exception CancelledKeyException FIXME
   * @exception ClosedChannelException FIXME
   * @exception IllegalArgumentException FIXME
   * @exception IllegalBlockingModeException FIXME
   * @exception IllegalSelectorException FIXME
   */
  public abstract  SelectionKey register(Selector sel, int ops, Object att) throws java.nio.channels.ClosedChannelException;
  
  public abstract  int validOps();  
}