Package VASSAL.tools.concurrent.listener

Interface EventListenerSupport<T>

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 listeners.
boolean	hasEventListeners()	Checks whether there are any EventListeners.
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 listeners.

Returns:

the list of listeners

notify

void notify(T event)

Notify the listeners of an event.

Parameters:

event - the event to send