package cz.cuni.amis.utils.listener;
   
   import java.util.EventListener;
   
   import cz.cuni.amis.utils.listener.Listeners.ListenerNotifier;
   
   /**
    * Basic listener interface allowing the object to receive 'Events'.
    * @author Jimmy
   *
   * @param <T>
   */
  public interface IListener<T> extends EventListener {
  
  	public void notify(T event);
  	
  	/**
  	 * Convenient class for notifying about events using {@link Listeners} or {@link ListenersMap}.
  	 * @author Jimmy
  	 *
  	 * @param <EVENT>
  	 * @param <LISTENER>
  	 */
  	public static class Notifier<LISTENER extends IListener> implements ListenerNotifier<LISTENER> {
  
  		private Object event;
  
  		public Notifier(Object event) {
  			this.event = event;
  		}
  		
  		@Override
  		public Object getEvent() {
  			return event;
  		}
  		
  		public void setEvent(Object event) {
  			this.event = event;
  		}
  
  		@Override
  		public void notify(LISTENER listener) {
  			listener.notify(event);
  		}
  		
  	}
  
  }