package jrummikub.util;

import java.util.HashSet;

/** Simple parameterless event generator */
public class Event implements IEvent {
	private HashSet<IListener> listeners = new HashSet<IListener>();

	@Override
	public void add(IListener listener) {
		listeners.add(listener);
	}

	@Override
	public void remove(IListener listener) {
		listeners.remove(listener);
	}

	/** Generate a single event */
	public void fire() {
		for (IListener listener : listeners) {
			listener.fire();
		}
	}
}