src/jrummikub/util/Event1.java


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package jrummikub.util;

import java.util.HashSet;

public class Event1<T> implements IEvent1<T> {
  private HashSet<IListener1<T>> listeners = new HashSet<IListener1<T>>();
  
  @Override
  public void add(IListener1<T> listener) {
    listeners.add(listener);
  }

  @Override
  public void remove(IListener1<T> listener) {
    listeners.remove(listener);
  }

  public void fire(T value) {
    for (IListener1<T> listener : listeners) {
      listener.fire(value);
    }
  }
}