ch.inftec.ju.util.event.EventNotifier Maven / Gradle / Ivy
package ch.inftec.ju.util.event;
import java.util.EventListener;
/**
* Interface for an event notifier.
*
* Handles adding and removing of listeners.
*
* @author Martin
*
* @param Type of the EventListeners
*/
public interface EventNotifier {
/**
* Adds the specified listener to this notifier.
* @param listener Listener to be notified
*/
public abstract void addListener(T listener);
/**
* Adds the specified listener with a weak reference. That means that when all
* hard references to the listener are lost, it will be removed from the notifier
* automatically when the garbage collector disposes of the listener.
* @param listener Listener to be added with a weak reference
*/
public abstract void addWeakListener(T listener);
/**
* Removes the specified listener from this notifier.
* @param listener Listener to be removed
*/
public abstract void removeListener(T listener);
}