AbstractSelectionKey

public abstract class AbstractSelectionKey extends SelectionKey

Base implementation class for selection keys.

This class tracks the validity of the key and implements cancellation.

From class java.nio.channels.SelectionKey

int	OP_ACCEPT	Operation-set bit for socket-accept operations.
int	OP_CONNECT	Operation-set bit for socket-connect operations.
int	OP_READ	Operation-set bit for read operations.
int	OP_WRITE	Operation-set bit for write operations.

AbstractSelectionKey()

Initializes a new instance of this class.

final void	cancel() Cancels this key.
final boolean	isValid() Tells whether or not this key is valid.

From class java.nio.channels.SelectionKey

final Object	attach(Object ob) Attaches the given object to this key.
final Object	attachment() Retrieves the current attachment.
abstract void	cancel() Requests that the registration of this key's channel with its selector be cancelled.
abstract SelectableChannel	channel() Returns the channel for which this key was created.
abstract int	interestOps() Retrieves this key's interest set.
abstract SelectionKey	interestOps(int ops) Sets this key's interest set to the given value.
final boolean	isAcceptable() Tests whether this key's channel is ready to accept a new socket connection.
final boolean	isConnectable() Tests whether this key's channel has either finished, or failed to finish, its socket-connection operation.
final boolean	isReadable() Tests whether this key's channel is ready for reading.
abstract boolean	isValid() Tells whether or not this key is valid.
final boolean	isWritable() Tests whether this key's channel is ready for writing.
abstract int	readyOps() Retrieves this key's ready-operation set.
abstract Selector	selector() Returns the selector for which this key was created.

From class java.lang.Object

Object	clone() Creates and returns a copy of this `Object`.
boolean	equals(Object obj) Compares this instance with the specified object and indicates if they are equal.
void	finalize() Invoked when the garbage collector has detected that this instance is no longer reachable.
final Class<?>	getClass() Returns the unique instance of `Class` that represents this object's class.
int	hashCode() Returns an integer hash code for this object.
final void	notify() Causes a thread which is waiting on this object's monitor (by means of calling one of the `wait()` methods) to be woken up.
final void	notifyAll() Causes all threads which are waiting on this object's monitor (by means of calling one of the `wait()` methods) to be woken up.
String	toString() Returns a string containing a concise, human-readable description of this object.
final void	wait(long timeout, int nanos) Causes the calling thread to wait until another thread calls the `notify()` or `notifyAll()` method of this object or until the specified timeout expires.
final void	wait(long timeout) Causes the calling thread to wait until another thread calls the `notify()` or `notifyAll()` method of this object or until the specified timeout expires.
final void	wait() Causes the calling thread to wait until another thread calls the `notify()` or `notifyAll()` method of this object.

Protected Constructors

Initializes a new instance of this class.

Cancels this key.

If this key has not yet been cancelled then it is added to its selector's cancelled-key set while synchronized on that set.

Tells whether or not this key is valid.

A key is valid upon creation and remains so until it is cancelled, its channel is closed, or its selector is closed.