@Override
 public int create(SensorTypeInfo sensor) {
   MongoCollection<Document> collection = CloudMongoDB.getInstance().getCollection("Drivers");
   List<Document> values = new LinkedList<>();
   for (MeasureValue sen : sensor.getValues()) {
     Map<String, Object> map = new HashMap<>();
     map.put("name", sen.getName());
     map.put("unit", sen.getUnit());
     Document document = new Document(map);
     values.add(document);
   }
   Map<String, Object> map = new HashMap<>();
   map.put("type", sensor.getType());
   map.put("type_name", sensor.getTypeName());
   map.put("driver_name", sensor.getDriverName());
   map.put("values", values);
   Document doc = new Document(map);
   collection.insertOne(doc);
   return 0;
 }