package jrummikub.util; import java.util.HashSet; public class MockEvent1 implements IEvent1 { public HashSet> listeners = new HashSet>(); @Override public Connection add(final IListener1 listener) { listeners.add(listener); return new Connection() { @Override public void remove() { MockEvent1.this.remove(listener); } }; } @Override public void remove(IListener1 listener) { listeners.remove(listener); } public void emit(T value) { for (IListener1 listener : listeners) { listener.handle(value); } } }