- All Superinterfaces:
public interface LineListener extends EventListener
Instances of classes that implement the
LineListenerinterface can register to receive events when a line's status changes.
Modifier and Type Method Description
LineEvent event)(Informs the listener that a line's state has changed.
updatevoid update(LineEvent event)Informs the listener that a line's state has changed. The listener can then invoke
LineEventmethods to obtain information about the event.
event- a line event that describes the change