package SimkitOpenDis7Examples;

import simkit.random.RandomVariate;

/**
 * Model a ship arrival process
 * @author abuss@nps.edu
 */
public class ShipArrivalProcess extends ArrivalProcess {

    /**
     * Generates the initial unloading times for the Ships
     */
    private RandomVariate unloadTimeGenerator;

    /**
     * Zero-argument constructor
     */
    public ShipArrivalProcess() {
    }

    /**
     * Instance constructor
     * @param interarrivalTimeGenerator Given generator for interarrival times
     * @param unloadTimeGenerator Given generator for total unloading times
     */
    public ShipArrivalProcess(
            RandomVariate interarrivalTimeGenerator,
            RandomVariate unloadTimeGenerator) {
        this();
        this.setInterarrivalTimeGenerator(interarrivalTimeGenerator);
        this.setUnloadTimeGenerator(unloadTimeGenerator);
    }

    /**
     * Instantiate a new Ship and Schedule Arrival(Ship)
     */
    @Override
    public void doArrival() {
        super.doArrival();
        Ship ship = new Ship(unloadTimeGenerator.generate());
        waitDelay("Arrival", 0.0, ship);
    }

    /**
     * accessor method to get a state variable
     * @return the unloadTimeGenerator
     */
    public RandomVariate getUnloadTimeGenerator() {
        return unloadTimeGenerator;
    }

    /**
     * accessor method to set a state variable
     * @param unloadTimeGenerator the unloadTimeGenerator to set
     */
    public void setUnloadTimeGenerator(RandomVariate unloadTimeGenerator) {
        this.unloadTimeGenerator = unloadTimeGenerator;
    }


}