TrafficSim/app/src/main/java/de/hems/trafficsim/Worker.java

package de.hems.trafficsim;

public class Worker extends Thread {
    protected Track track;
    protected boolean stop;
    public Worker(Track track) {
        super();
        this.track = track;
        this.stop = false;
    }

    void setStop(boolean stop) {
        this.stop = stop;
    }

    @Override
    public void run() {
        while (!stop) {
            this.track.timeElapse();
        }
    }
}