| Interface | Description | 
|---|---|
| NIOCallback | 
 Defines callback methods for non blocking io operations. 
 | 
| NQueueCallback | 
 Defines callback methods for non blocking queue operations. 
 | 
| TimerCallback | 
 Defines callback method for the non-blocking timer 
 | 
| Class | Description | 
|---|---|
| NetworkConnection | 
 Holds a non-blocking internet socket. 
 | 
| NonBlockingInput | 
 A non-blocking input stream. 
 | 
| NonBlockingOutput | 
 A non-blocking output stream. 
 | 
| NonBlockingPipe | 
 A non-blocking pipe to which one can write and read data. 
 | 
| NQueue | 
 Queue to use together with nio handling. 
 | 
| Switchboard | 
 A central switchboard class which handles all the waiting on
 different events. 
 |