Notificator.java

package net.azyobuzi.saostar.util;

import java.util.HashSet;

public class Notificator
{
    private HashSet<Action> handlers = new HashSet<Action>();

    public void add(Action handler)
    {
        handlers.add(handler);
    }

    public void remove(Action handler)
    {
        handlers.remove(handler);
    }

    public void raise()
    {
        for (Action handler : handlers)
            handler.invoke();
    }
}