This class exists as a convenience for implementors of new SelectionKey classes. Application programmers should never need to use or subclass this class.

Figure 13-45. java.nio.channels.spi.AbstractSelectionKey

public abstract class AbstractSelectionKey extends java.nio.channels
.SelectionKey {
// Protected Constructors
     protected AbstractSelectionKey( );  
// Public Methods Overriding SelectionKey
     public final void cancel( );  
     public final boolean isValid( );  
}

Passed To

AbstractSelector.deregister( )