java.nio.channels
Class SelectionKey
Object | attach(Object obj)- Attaches obj to the key and returns the old attached object.
|
Object | attachment()- Returns the object attached to the key.
|
abstract void | cancel()- Requests that the registration of this key's channel with
its selector be cancelled.
|
abstract SelectableChannel | channel()- return the channel attached to the key.
|
abstract int | interestOps()- Returns the key's interest set.
|
abstract SelectionKey | interestOps(int ops)- Sets this key's interest set to the given value.
|
boolean | isAcceptable()- Tests if the channel attached to this key is ready to accept
a new socket connection.
|
boolean | isConnectable()- Tests whether this key's channel has either finished,
or failed to finish, its socket-connection operation.
|
boolean | isReadable()- Tests if the channel attached to the key is readable.
|
abstract boolean | isValid()- Tells whether or not this key is valid.
|
boolean | isWritable()- Tests if the channel attached to the key is writable.
|
abstract int | readyOps()- Retrieves this key's ready-operation set.
|
abstract Selector | selector()- Returns the selector for which this key was created.
|
clone, equals, extends Object> getClass, finalize, hashCode, notify, notifyAll, toString, wait, wait, wait |
OP_READ
public static final int OP_READ
OP_WRITE
public static final int OP_WRITE
SelectionKey
protected SelectionKey()
Initializes the selection key.
attach
public final Object attach(Object obj)
Attaches obj to the key and returns the old attached object.
attachment
public final Object attachment()
Returns the object attached to the key.
cancel
public abstract void cancel()
Requests that the registration of this key's channel with
its selector be cancelled.
interestOps
public abstract int interestOps()
Returns the key's interest set.
isAcceptable
public final boolean isAcceptable()
Tests if the channel attached to this key is ready to accept
a new socket connection.
isConnectable
public final boolean isConnectable()
Tests whether this key's channel has either finished,
or failed to finish, its socket-connection operation.
isReadable
public final boolean isReadable()
Tests if the channel attached to the key is readable.
isValid
public abstract boolean isValid()
Tells whether or not this key is valid.
isWritable
public final boolean isWritable()
Tests if the channel attached to the key is writable.
readyOps
public abstract int readyOps()
Retrieves this key's ready-operation set.
selector
public abstract Selector selector()
Returns the selector for which this key was created.
SelectionKey.java --
Copyright (C) 2002, 2006 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.
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.
Linking this library statically or dynamically with other modules is
making a combined work based on this library. Thus, the terms and
conditions of the GNU General Public License cover the whole
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
or based on this library. If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so. If you do not wish to do so, delete this
exception statement from your version.