code: @EventHandler
      public void handle(ChargingStationStatusNotificationReceivedEvent event) {
          ChargingStation chargingStation = repository.findOne(event.getChargingStationId().getId());
  
          if (chargingStation != null) {
              chargingStation.setStatus(event.getStatusNotification().getStatus());
              repository.createOrUpdate(chargingStation);
          }
      }
docs: Handles the {@link ChargingStationStatusNotificationReceivedEvent}.
  
  @param event the event to handle.