docs: def save(self):
          """
          save or update this node in Ariane server
          :return:
          """
          LOGGER.debug("Node.save")
          if self.container is not None:
              if self.container.id is None:
                  self.container.save()
              self.container_id = self.container.id
  
          if self.parent_node is not None:
              if self.parent_node.id is None:
                  self.parent_node.save()
              self.parent_node_id = self.parent_node.id
  
          post_payload = {}
          consolidated_twin_nodes_id = []
          consolidated_properties = {}
          consolidated_node_properties = []
  
          if self.id is not None:
              post_payload['nodeID'] = self.id
  
          if self.name is not None:
              post_payload['nodeName'] = self.name
  
          if self.container_id is not None:
              post_payload['nodeContainerID'] = self.container_id
  
          if self.parent_node_id is not None:
              post_payload['nodeParentNodeID'] = self.parent_node_id
  
          if self.child_nodes_id is not None:
              post_payload['nodeChildNodesID'] = self.child_nodes_id
  
          if self.twin_nodes_id is not None:
              consolidated_twin_nodes_id = copy.deepcopy(self.twin_nodes_id)
          if self.twin_nodes_2_rm is not None:
              for twin_node_2_rm in self.twin_nodes_2_rm:
                  if twin_node_2_rm.id is None:
                      twin_node_2_rm.sync()
                  consolidated_twin_nodes_id.remove(twin_node_2_rm.id)
          if self.twin_nodes_2_add is not None:
              for twin_node_2_add in self.twin_nodes_2_add:
                  if twin_node_2_add.id is None:
                      twin_node_2_add.save()
                  consolidated_twin_nodes_id.append(twin_node_2_add.id)
          post_payload['nodeTwinNodesID'] = consolidated_twin_nodes_id
  
          if self.endpoints_id is not None:
              post_payload['nodeEndpointsID'] = self.endpoints_id
  
          if self.properties is not None:
              consolidated_properties = copy.deepcopy(self.properties)
          if self.properties_2_rm is not None:
              for n_property_name in self.properties_2_rm:
                  consolidated_properties.pop(n_property_name, 0)
          if self.properties_2_add is not None:
              for n_property_tuple in self.properties_2_add:
                  consolidated_properties[n_property_tuple[0]] = n_property_tuple[1]
          if consolidated_properties.__len__() > 0:
              for key, value in consolidated_properties.items():
                      consolidated_node_properties.append(DriverTools.property_params(key, value))
          post_payload['nodeProperties'] = consolidated_node_properties
  
          params = SessionService.complete_transactional_req({'payload': json.dumps(post_payload)})
          if MappingService.driver_type != DriverFactory.DRIVER_REST:
              params['OPERATION'] = 'createNode'
              args = {'properties': params}
          else:
              args = {
                  'http_operation': 'POST',
                  'operation_path': '',
                  'parameters': params
              }
  
          response = NodeService.requester.call(args)
  
          if MappingService.driver_type != DriverFactory.DRIVER_REST:
              response = response.get()
  
          if response.rc != 0:
              LOGGER.warning('Node.save - Problem while saving node' + self.name +
                             '. Reason: ' + str(response.response_content) + ' - ' + str(response.error_message) +
                             " (" + str(response.rc) + ")")
              if response.rc == 500 and ArianeMappingOverloadError.ERROR_MSG in response.error_message:
                  raise ArianeMappingOverloadError("Node.save",
                                                   ArianeMappingOverloadError.ERROR_MSG)
              # traceback.print_stack()
          else:
              self.id = response.response_content['nodeID']
              if self.twin_nodes_2_add is not None:
                  for twin_node_2_add in self.twin_nodes_2_add:
                      twin_node_2_add.sync()
              if self.twin_nodes_2_rm is not None:
                  for twin_node_2_rm in self.twin_nodes_2_rm:
                      twin_node_2_rm.sync()
              if self.container is not None:
                  self.container.sync()
              if self.parent_node is not None:
                  self.parent_node.sync()
              self.sync(json_obj=response.response_content)
          self.twin_nodes_2_add.clear()
          self.twin_nodes_2_rm.clear()
          self.properties_2_add.clear()
          self.properties_2_rm.clear()