RunTwoCranesBerth.java

package SimkitOpenDis7Examples.run;

import SimkitOpenDis7Examples.ShipArrivalProcess;
import SimkitOpenDis7Examples.TwoCraneBerths;
import simkit.Schedule;
import simkit.random.RandomVariate;
import simkit.random.RandomVariateFactory;
import simkit.stat.CollectionSizeTimeVaryingStats;
import simkit.stat.SimpleStatsTally;

/**
 * Run simple two-berth model for 10 years (3650 days).
 * <h2>Output:</h2><pre>
ShipArrivalProcess.1
	unloadTimeGenerator = Uniform (0.500, 1.500)
	interarrivalTimeGenerator = Exponential (0.700)
TwoCraneBerths.2

Simulation ended at time 3,650.0

Number of ships arriving:	5,135
Number of ships unloaded:	5,129
Maximum # in queue:		11
Average # in queue:		0.6834
Average # busy berths:		1.1737
Average time in system:		1.3207
Average delay in queue:		0.4857
</pre>
* 
 * @author abuss@nps.edu
 */
public class RunTwoCranesBerth
{
    /** Default constructor */
    public RunTwoCranesBerth()
    {
        // default constructor
    }
    /**
     * Run a simple program and compute statistical measurement of results.
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        RandomVariate interarrivalTimeGenerator =
                RandomVariateFactory.getInstance("Exponential", 0.7);
        RandomVariate unloadingTimeGenerator =
                RandomVariateFactory.getInstance("Uniform", 0.5, 1.5);
        ShipArrivalProcess shipArrivalProcess =
                new ShipArrivalProcess(interarrivalTimeGenerator,
                    unloadingTimeGenerator);
        
        TwoCraneBerths twoCraneBerths = new TwoCraneBerths();
        shipArrivalProcess.addSimEventListener(twoCraneBerths);
        
        SimpleStatsTally delayInQueueStat = new SimpleStatsTally("delayInQueue");
        SimpleStatsTally timeInSystemStat = new SimpleStatsTally("timeInSystem");
        CollectionSizeTimeVaryingStats numberInQueueStat = 
                new CollectionSizeTimeVaryingStats("queue");
        CollectionSizeTimeVaryingStats numberInBerthStat = 
                new CollectionSizeTimeVaryingStats("berth");
//        SimplePropertyDumper simplePropertyDumper = new SimplePropertyDumper();
//        twoCraneBerths.addPropertyChangeListener(simplePropertyDumper);
        
        twoCraneBerths.addPropertyChangeListener(delayInQueueStat);
        twoCraneBerths.addPropertyChangeListener(timeInSystemStat);
        twoCraneBerths.addPropertyChangeListener(numberInQueueStat);
        twoCraneBerths.addPropertyChangeListener(numberInBerthStat);
        
        System.out.println(shipArrivalProcess);
        System.out.println(twoCraneBerths);
        
        double stopTime = 10 * 365;
        Schedule.stopAtTime(stopTime);
        Schedule.setVerbose(false);
        
        Schedule.reset();
        Schedule.startSimulation();
        
        System.out.printf("%nSimulation ended at time %,.1f%n%n",
                Schedule.getSimTime());
        
        System.out.printf("Number of ships arriving:\t%,d%n", shipArrivalProcess.getNumberArrivals());
        System.out.printf("Number of ships unloaded:\t%,d%n", timeInSystemStat.getCount());
        System.out.printf("Maximum # in queue:\t\t%.0f%n", numberInQueueStat.getMaxObs());
        System.out.printf("Average # in queue:\t\t%.4f%n", numberInQueueStat.getMean());
        System.out.printf("Average # busy berths:\t\t%.4f%n", numberInBerthStat.getMean());
        System.out.printf("Average time in system:\t\t%.4f%n",
                timeInSystemStat.getMean());
        System.out.printf("Average delay in queue:\t\t%.4f%n",
                delayInQueueStat.getMean());    }

}