def reserve(self, context, expire=None, project_id=None, user_id=None,
                **deltas):

        reservations = self._driver.reserve(context, self._resources, deltas,
                                            expire=expire,
                                            project_id=project_id,
                                            user_id=user_id)

        LOG.debug("Created reservations %s", reservations)

        return reservations
Called when raw data is received from connection.
dataset/ETHPy150Open openstack/nova/nova/quota.py/QuotaEngine.reserve--crossover with--dataset/ETHPy150Open appdotnet/ADNpy/adnpy/stream.py/StreamListener.on_data