class WebSocketController {

    @MessageMapping("vehicle")
    void addVehicle() {
        vehicleService.createVehicle();
    }

    @Autowired  WebSocketController(
            RouteListener routeListener,
            RegionService regionService,
            LocationService locationService,
            VehicleService vehicleService,
            DemoService demoService,
            ApplicationEventPublisher eventPublisher);

}