def update(self, request: Node) -> Optional[Node]:
if self._ontology.__contains__(request.get_type(
)) and request.get_id() >= 0: # The class of Node is in ontology
return self.update_node(request)
print(f"No such type in ontology: the {request.get_type()} is missing"
) # Error
return None
def retrieve(self,
request: Node = None,
node_id: int = None) -> Optional[List[Node]]:
if node_id is not None and node_id >= 0:
return self.get_node_by_id(node_id)
else:
if request is not None and self._ontology.__contains__(
request.get_type()): # The class of Node is in ontology
return self.get_node(request)
print(f"No such type in ontology: the {request.get_type()} is missing"
) # Error
return None