EventListenerSupport (vassal-app 3.4.13 API)

All Known Implementing Classes:: DefaultEventListenerSupport

public interface EventListenerSupport<T>

An interface to provide support for EventListeners.

Since:: 3.2.0
Author:: Joel Uckelman

Method Summary

Modifier and Type	Method	Description
`void`	`addEventListener(EventListener<? super T> l)`	Adds an `EventListener`.
`List<EventListener<? super T>>`	`getEventListeners()`	Gets the list of listerners.
`boolean`	`hasEventListeners()`	Checks whether there are any `EventListener`s.
`void`	`notify(T event)`	Notify the listeners of an event.
`void`	`removeEventListener(EventListener<? super T> l)`	Removes an `EventListener`.

Method Details
- addEventListener
  
  void addEventListener(EventListener<? super T> l)
  
  Adds an EventListener.
  
  Parameters:
  
  l - the listener to add
- removeEventListener
  
  void removeEventListener(EventListener<? super T> l)
  
  Removes an EventListener.
  
  Parameters:
  
  l - the listener to remove
- hasEventListeners
  
  boolean hasEventListeners()
  
  Checks whether there are any EventListeners.
  
  Returns:
  
  true if there are any listeners
- getEventListeners
  
  List<EventListener<? super T>> getEventListeners()
  
  Gets the list of listerners.
  
  Returns:
  
  the list of listeners
- notify
  
  void notify(T event)
  
  Notify the listeners of an event.
  
  Parameters:
  
  event - the event to send