Class Overview
AbstractSelectionKey is the base implementation class for selection keys.
It implements validation and cancellation methods.
Summary
| Public Methods |
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final
void
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cancel()
Cancels this key.
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final
boolean
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isValid()
Indicates whether this key is valid.
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[Expand]
Inherited Methods |
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From class
java.nio.channels.SelectionKey
|
final
Object
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attach(Object anObject)
Attaches an object to this key.
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final
Object
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attachment()
Gets the attached object.
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abstract
void
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cancel()
Cancels this key.
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abstract
SelectableChannel
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channel()
Gets the channel of this key.
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abstract
int
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interestOps()
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abstract
SelectionKey
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interestOps(int operations)
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final
boolean
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isAcceptable()
Indicates whether this key's channel is interested in the accept
operation and is ready to accept new connections.
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final
boolean
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isConnectable()
Indicates whether this key's channel is interested in the connect
operation and is ready to connect.
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final
boolean
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isReadable()
Indicates whether this key's channel is interested in the read operation
and is ready to read.
|
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abstract
boolean
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isValid()
Indicates whether this key is valid.
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final
boolean
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isWritable()
Indicates whether this key's channel is interested in the write operation
and is ready to write.
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abstract
int
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readyOps()
Gets the set of operations that are ready.
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abstract
Selector
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selector()
Gets the selector for which this key's channel is registered.
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From class
java.lang.Object
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Object
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clone()
Creates and returns a copy of this Object.
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boolean
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equals(Object o)
Compares this instance with the specified object and indicates if they
are equal.
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void
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finalize()
Invoked when the garbage collector has detected that this instance is no longer reachable.
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final
Class<?>
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getClass()
Returns the unique instance of Class that represents this
object's class. |
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int
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hashCode()
Returns an integer hash code for this object.
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final
void
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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.
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final
void
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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.
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String
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toString()
Returns a string containing a concise, human-readable description of this
object.
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final
void
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wait()
Causes the calling thread to wait until another thread calls the notify() or notifyAll() method of this object.
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final
void
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wait(long millis, 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.
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final
void
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wait(long millis)
Causes the calling thread to wait until another thread calls the notify() or notifyAll() method of this object or until the
specified timeout expires.
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Protected Constructors
protected
AbstractSelectionKey
()
Constructs a new AbstractSelectionKey.
Public Methods
public
final
void
cancel
()
Cancels this key.
A key that has been canceled is no longer valid. Calling this method on
an already canceled key does nothing.
public
final
boolean
isValid
()
Indicates whether this key is valid. A key is valid as long as it has not
been canceled.
Returns
true if this key has not been canceled, false
otherwise.
