Method Detail

• addListener

  public abstract EventSourceAdapter<E,​L> addListener​(EventListener<? super E> listener,
                                                            boolean weak)

  Parameters:

  listener - - see EventSource.addListener(EventListener).

  weak - - see EventSource.addListener(EventListener, boolean).

  Returns:

  this adapter itself or a new instance capable to handle more listeners.

• removeListener

  public abstract EventSourceAdapter<E,​L> removeListener​(EventListener<? super E> listener)

  Parameters:

  listener - - see EventSource.removeListener(EventListener).

  Returns:

  null if the given EventListener was not registered and nothing changed, otherwise this adapter itself or a new instance capable to handle less listeners.

• fireEvent

  public abstract void fireEvent​(E event)

  Parameters:

  event - the event to send to all registered EventListeners.

• hasListeners

  public boolean hasListeners()

  Returns:

  true if at least one EventListener is registered, false otherwise.

• getListenerCount

  public abstract int getListenerCount()

  Returns:

  the number of registered EventListeners.

• getListener

  public abstract L getListener​(int index)

  Parameters:

  index - the index of the requested EventListener in the range from 0 to getListenerCount() - 1.

  Returns:

  the requested EventListener or null if index is out of bounds.

• getRawListener

  public abstract EventListener<? super E> getRawListener​(int index)

  Parameters:

  index - the index of the requested EventListener in the range from 0 to getListenerCount() - 1.

  Returns:

  the requested EventListener or null if index is out of bounds.

• empty

  public static <E,​L extends EventListener<?>> EventSourceAdapter<E,​L> empty()

  Type Parameters:

  E - the type of the events to send.

  L - the type of the listeners.

  Returns:

  the empty EventSourceAdapter.