JRummikub/mock/jrummikub/util/MockEvent2.java

package jrummikub.util;

import java.util.HashSet;

public class MockEvent2<T1, T2> implements IEvent2<T1, T2> {
	public HashSet<IListener2<T1, T2>> listeners = new HashSet<IListener2<T1, T2>>();

	@Override
	public Connection add(final IListener2<T1, T2> listener) {
		listeners.add(listener);
	    return new Connection() {
			
			@Override
			public void remove() {
				MockEvent2.this.remove(listener);
			}
		};
	}

	@Override
	public void remove(IListener2<T1, T2> listener) {
		listeners.remove(listener);
	}

	public void emit(T1 value1, T2 value2) {
		for (IListener2<T1, T2> listener : listeners) {
			listener.handle(value1, value2);
		}
	}
}