- All Superinterfaces:
- EventListener
Instances of classes that implement the LineListener interface can
 register to receive events when a line's status changes.
- Since:
- 1.3
- See Also:
- 
- 
Method Summary
void
 
Informs the listener that a line's state has changed. 
 
 
 
 
- 
Method Details
- 
updateInforms the listener that a line's state has changed. The listener can
 then invoke LineEventmethods to obtain information about the
 event.
 
- Parameters:
- event- a line event that describes the change