code: private void putProperties(Database database) throws DevFailed {
          for (TangoClass clazz : classes) {
              clazz.putProperties(database);
              clazz.putAttributeProperties(database);
              clazz.putPipeProperties(database);
              for (TangoDevice device : clazz) {
                  device.putProperties(database);
                  device.putAttributeProperties(database);
                  device.putPipeProperties(database);
              }
          }
      }
docs: ===============================================================