fatabass

Java Code:

package myPackage2;

public abstract class Event 
{
	private long eventTime;
	protected final long delayTime;
	
	public Event(long delayTime)
	{
		this.delayTime = delayTime;
		start();
	}
	
	public void start()
	{
		eventTime = System.nanoTime() + 2*delayTime;
	}
	
	public boolean ready()
	{
		return System.nanoTime() >= eventTime;
	}
	
	public abstract void action();

}

Java Code:

package myPackage2;

import java.util.ArrayList;
import java.util.List;

public class Controller 
{
	private List<Event> eventList = new ArrayList<Event>();
	
	public void addEvent(Event c)
	{
		eventList.add(c);
	}
	
	public void run()
	{
		System.out.println("Run!");

		while(eventList.size()>0)
		{
			//System.out.println("Eventlist size: " + eventList.size());

			for(Event e: new ArrayList<Event>(eventList))
				if(e.ready())
				{
					System.out.println(e);
					e.action();
					eventList.remove(e);
				}
		}
	}

}

Java Code:

package myPackage2;

public class GreenHouseControls extends Controller 
{
	private boolean light = false;
	
	GreenHouseControls()
	{
		this.addEvent(new Bell(0));
	}
	
	public class LightOn extends Event
	{
		public LightOn(long delayTime)
		{
			super(delayTime);
		}
		
		public void action()
		{
			
			light = true;
		}
		
		public String toString()
		{
			return "Light is on";
		}
	}
	
	public class LightOff extends Event
	{
		public LightOff(long delayTime)
		{
			super(delayTime);
		}
		public void action()
		{
			light = false;
		}
		
		public String toString()
		{
			return "Light is off";
		}
		
	}
	
	public class Bell extends Event
	{
		public Bell(long delayTime)
		{
			super(delayTime);
		}
		
		public void action()
		{
			
		}
		
		public String toString()
		{
			return "Bing!";
		}
	}
}

Java Code:

package myPackage2;

public class GreenHouseController 
{
	public static void main(String[] args)
	{
		GreenHouseControls gc = new GreenHouseControls();
		
		gc.addEvent(gc.new Bell(500000));
		gc.addEvent(gc.new LightOn(999000000/2));
		gc.addEvent(gc.new LightOff(999000000));

		gc.run();		
	}
	
}