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- All Superinterfaces:
EventListener
public interface LineListener extends EventListener
Instances of classes that implement theLineListener
interface can register to receive events when a line's status changes.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description void
update(LineEvent event)
Informs the listener that a line's state has changed.
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Method Detail
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update
void update(LineEvent event)
Informs the listener that a line's state has changed. The listener can then invokeLineEvent
methods to obtain information about the event.- Parameters:
event
- a line event that describes the change
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