public void addNewADSBHub() { List<Sensor> sensors = sensorManager.getAllSensorWithSpecifiedSensorType(SensorTypeEnum.ADSBHub.toString()); if (sensors.size() > 0) { sensor = sensors.get(0); return; } User admin = userManager.getUser("admin"); Place place = new Place(); place.setTimes(new Date()); place.setAuthor("hoan"); place.setLat(0); place.setLng(0); sensor = new Sensor(); sensor.setName("admin"); sensor.setUser(admin); sensor.setSensorType(SensorTypeEnum.ADSBHub.toString()); sensor.setSourceType("stream"); sensor.setTimes(new Date()); sensor.setPlace(place); sensorManager.addObject(sensor); }