Package VASSAL.tools.concurrent.listener
Interface MultiEventListenerSupport
- All Known Implementing Classes:
DefaultMultiEventListenerSupport
public interface MultiEventListenerSupport
An interface to provide support for
EventListener
s.- Since:
- 3.2.0
- Author:
- Joel Uckelman
-
Method Summary
Modifier and TypeMethodDescription<T> void
addEventListener(Class<T> c, EventListener<? super T> l)
Adds anEventListener
.<T> List<EventListener<? super T>>
getEventListeners(Class<T> c)
Gets the list of listeners.boolean
hasEventListeners(Class<?> c)
Checks whether there are anyEventListener
s.void
Notify the listeners of an event.<T> void
removeEventListener(Class<T> c, EventListener<? super T> l)
Removes anEventListener
.
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Method Details
-
addEventListener
Adds anEventListener
.- Parameters:
c
- the class to listen forl
- the listener to add
-
removeEventListener
Removes anEventListener
.- Parameters:
c
- the class to checkl
- the listener to remove
-
hasEventListeners
Checks whether there are anyEventListener
s.- Parameters:
c
- the class to check- Returns:
true
if there are any listeners for the given class
-
getEventListeners
Gets the list of listeners.- Parameters:
c
- the class to check- Returns:
- the list of listeners for the given class
-
notify
Notify the listeners of an event.- Parameters:
event
- the event to send
-