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Diffstat (limited to 'libjava/java/nio/channels/SelectionKey.java')
-rw-r--r-- | libjava/java/nio/channels/SelectionKey.java | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/libjava/java/nio/channels/SelectionKey.java b/libjava/java/nio/channels/SelectionKey.java deleted file mode 100644 index 5219b6bff84..00000000000 --- a/libjava/java/nio/channels/SelectionKey.java +++ /dev/null @@ -1,164 +0,0 @@ -/* SelectionKey.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. - -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. */ - -package java.nio.channels; - - -/** - * @author Michael Koch - * @since 1.4 - */ -public abstract class SelectionKey -{ - public static final int OP_ACCEPT = 16; - public static final int OP_CONNECT = 8; - public static final int OP_READ = 1; - public static final int OP_WRITE = 4; - Object attached; - - /** - * Initializes the selection key. - */ - protected SelectionKey() - { - } - - /** - * Attaches obj to the key and returns the old attached object. - */ - public final Object attach(Object obj) - { - Object old = attached; - attached = obj; - return old; - } - - /** - * Returns the object attached to the key. - */ - public final Object attachment() - { - return attached; - } - - /** - * Tests if the channel attached to this key is ready to accept - * a new socket connection. - * - * @exception CancelledKeyException If this key has been cancelled - */ - public final boolean isAcceptable() - { - return (readyOps() & OP_ACCEPT) != 0; - } - - /** - * Tests whether this key's channel has either finished, - * or failed to finish, its socket-connection operation. - * - * @exception CancelledKeyException If this key has been cancelled - */ - public final boolean isConnectable() - { - return (readyOps() & OP_CONNECT) != 0; - } - - /** - * Tests if the channel attached to the key is readable. - * - * @exception CancelledKeyException If this key has been cancelled - */ - public final boolean isReadable() - { - return (readyOps() & OP_READ) != 0; - } - - /** - * Tests if the channel attached to the key is writable. - * - * @exception CancelledKeyException If this key has been cancelled - */ - public final boolean isWritable() - { - return (readyOps() & OP_WRITE) != 0; - } - - /** - * Requests that the registration of this key's channel with - * its selector be cancelled. - */ - public abstract void cancel(); - - /** - * return the channel attached to the key. - */ - public abstract SelectableChannel channel(); - - /** - * Returns the key's interest set. - * - * @exception CancelledKeyException If this key has been cancelled - */ - public abstract int interestOps(); - - /** - * Sets this key's interest set to the given value. - * - * @exception CancelledKeyException If this key has been cancelled - * @exception IllegalArgumentException If a bit in the set does not - * correspond to an operation that is supported by this key's channel, - * that is, if set & ~(channel().validOps()) != 0 - */ - public abstract SelectionKey interestOps(int ops); - - /** - * Tells whether or not this key is valid. - */ - public abstract boolean isValid(); - - /** - * Retrieves this key's ready-operation set. - * - * @exception CancelledKeyException If this key has been cancelled - */ - public abstract int readyOps(); - - /** - * Returns the selector for which this key was created. - */ - public abstract Selector selector(); -} |