java.nio.channels.spi
Class AbstractSelectionKey

java.lang.Object
  java.nio.channels.SelectionKey
      java.nio.channels.spi.AbstractSelectionKey

public abstract class AbstractSelectionKey
extends SelectionKey

Abstract class for selection key.

The class takes charge of the validation and cancellation of key.

Field Summary

(package private) boolean

isValid

Fields inherited from class java.nio.channels.SelectionKey

OP_ACCEPT, OP_CONNECT, OP_READ, OP_WRITE

Constructor Summary

protected

AbstractSelectionKey() Constructor for this class.

Method Summary

void	cancel() Cancels this key and adds it to the cancelled key set.
boolean	isValid() Tells whether the key is valid.

Methods inherited from class java.nio.channels.SelectionKey

attach, attachment, channel, interestOps, interestOps, isAcceptable, isConnectable, isReadable, isWritable, readyOps, selector

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

isValid

boolean isValid

Constructor Detail

AbstractSelectionKey

protected AbstractSelectionKey()

Constructor for this class.

Method Detail

isValid

public final boolean isValid()

Description copied from class: SelectionKey

Tells whether the key is valid.

Specified by:

isValid in class SelectionKey

Returns:

true if the key has not been cancelled

See Also:

SelectionKey.isValid()

cancel

public final void cancel()

Cancels this key and adds it to the cancelled key set.

Specified by:

cancel in class SelectionKey

See Also:

SelectionKey.cancel()