import java.lang.*;
import org.javasim.*;

public class Job
{
    
public Job ()
    {
	boolean empty = false;
	boolean full = false;

	ResponseTime = 0.0;
	ArrivalTime = Scheduler.currentTime();

	empty = MachineShop.JobQ.isEmpty();
	full=(MachineShop.JobQ.size() >=3);
	if (!full)
	    {
	MachineShop.JobQ.add(this);
	MachineShop.TotalJobs++;

	if (empty && !MachineShop.M.Processing() && MachineShop.M.IsOperational())
	{
	    try
	    {
		MachineShop.M.activate();
	    }
	    catch (SimulationException e)
	    {
	    }
	    catch (RestartException e)
	    {
	    }
	}
	    }
	else
	    {
		MachineShop.LostJobs++;
	    }
    }

public void finished ()
    {
	ResponseTime = Scheduler.currentTime() - ArrivalTime;
	MachineShop.TotalResponseTime += ResponseTime;	
    }

private double ResponseTime;
private double ArrivalTime;
    
};