@classmethod
    def get_by_uuid(cls, context, item_uuid):
Write a single item to the backend
dataset/ETHPy150Open openstack/solum/solum/objects/base.py/CrudMixin.get_by_uuid--crossover with--dataset/ETHPy150Open openstack/taskflow/taskflow/persistence/path_based.py/PathBasedConnection._set_item