Java Doc for SelectionKey.java in  » Apache-Harmony-Java-SE » java-package » java » nio » channels » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Apache Harmony Java SE » java package » java.nio.channels   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    java.nio.channels.SelectionKey All known Subclasses:   java.nio.channels.spi.AbstractSelectionKey, SelectionKey abstract public class SelectionKey (Code) A key that representing the relationship of a channel and the selector. Field Summary final public static  int OP_ACCEPT      Interesting operation mask bit for socket-accept operations. final public static  int OP_CONNECT      Interesting operation mask bit for socket-connect operations. final public static  int OP_READ      Interesting operation mask bit for read operations. final public static  int OP_WRITE      Interesting operation mask bit for write operations. Constructor Summary protected   SelectionKey()      The constructor. Method Summary final public  Object attach(Object anObject)      Attaches an object to the key. final public  Object attachment()      Gets the attached object. abstract public  void cancel()      Cancels this key. abstract public  SelectableChannel channel()      Gets the channel of this key. abstract public  int interestOps()      Gets the interesting operation of this key. abstract public  SelectionKey interestOps(int operations)      Sets the interesting operation for this key. final public  boolean isAcceptable()      Tells whether the channel of this key is interested in accept operation and ready for acceptation. final public  boolean isConnectable()      Tells whether the channel of this key is interested in connect operation and ready for connection. final public  boolean isReadable()      Tells whether the channel of this key is interested in read operation and ready for reading. abstract public  boolean isValid()      Tells whether the key is valid. final public  boolean isWritable()      Tells whether the channel of this key is interested in write operation and ready for writing. abstract public  int readyOps()      Gets the ready operation. abstract public  Selector selector()      Gets the related selector. Field Detail OP_ACCEPT final public static int OP_ACCEPT(Code) Interesting operation mask bit for socket-accept operations. OP_CONNECT final public static int OP_CONNECT(Code) Interesting operation mask bit for socket-connect operations. OP_READ final public static int OP_READ(Code) Interesting operation mask bit for read operations. OP_WRITE final public static int OP_WRITE(Code) Interesting operation mask bit for write operations. Constructor Detail SelectionKey protected SelectionKey()(Code) The constructor. Method Detail attach final public Object attach(Object anObject)(Code) Attaches an object to the key. Parameters:   anObject - the object to attach the last attached object attachment final public Object attachment()(Code) Gets the attached object. the attached object or null if no object has been attached cancel abstract public void cancel()(Code) Cancels this key. channel abstract public SelectableChannel channel()(Code) Gets the channel of this key. the channel of this key interestOps abstract public int interestOps()(Code) Gets the interesting operation of this key. the interesting operation of this key throws:   CancelledKeyException - If the key has been cancelled already interestOps abstract public SelectionKey interestOps(int operations)(Code) Sets the interesting operation for this key. Parameters:   operations - the interesting operation to set this key throws:   IllegalArgumentException - if the given operation is not in the key's interestingoperation set throws:   CancelledKeyException - If the key has been cancelled already isAcceptable final public boolean isAcceptable()(Code) Tells whether the channel of this key is interested in accept operation and ready for acceptation. true if the channel is interested in accept operation and readyfor acceptation throws:   CancelledKeyException - If the key has been cancelled already isConnectable final public boolean isConnectable()(Code) Tells whether the channel of this key is interested in connect operation and ready for connection. true if the channel is interested in connect operation and readyfor connection throws:   CancelledKeyException - If the key has been cancelled already isReadable final public boolean isReadable()(Code) Tells whether the channel of this key is interested in read operation and ready for reading. true if the channel is interested in read operation and ready forreading throws:   CancelledKeyException - If the key has been cancelled already isValid abstract public boolean isValid()(Code) Tells whether the key is valid. true if the key has not been cancelled isWritable final public boolean isWritable()(Code) Tells whether the channel of this key is interested in write operation and ready for writing. true if the channel is interested in write operation and readyfor writing throws:   CancelledKeyException - If the key has been cancelled already readyOps abstract public int readyOps()(Code) Gets the ready operation. the ready operation throws:   CancelledKeyException - If the key has been cancelled already selector abstract public Selector selector()(Code) Gets the related selector. the related selector Methods inherited from java.lang.Object protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object object)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final public Class<? extends Object> getClass()(Code)(Java Doc) public int hashCode()(Code)(Java Doc) final public void notify()(Code)(Java Doc) final public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final public void wait(long millis, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait(long millis) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)