monasca-transform/monasca_transform/data_driven_specs/data_driven_specs_repo.py

44 lines
1.5 KiB
Python

# Copyright 2016 Hewlett Packard Enterprise Development Company LP
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import abc
from monasca_common.simport import simport
from oslo_config import cfg
import six
class DataDrivenSpecsRepoFactory(object):
data_driven_specs_repo = None
@staticmethod
def get_data_driven_specs_repo():
if not DataDrivenSpecsRepoFactory.data_driven_specs_repo:
DataDrivenSpecsRepoFactory.data_driven_specs_repo = simport.load(
cfg.CONF.repositories.data_driven_specs)()
return DataDrivenSpecsRepoFactory.data_driven_specs_repo
@six.add_metaclass(abc.ABCMeta)
class DataDrivenSpecsRepo(object):
transform_specs_type = 'transform_specs'
pre_transform_specs_type = 'pre_transform_specs'
@abc.abstractmethod
def get_data_driven_specs(self, sql_context=None, type=None):
raise NotImplementedError(
"Class %s doesn't implement get_data_driven_specs(self, type=None)"
% self.__class__.__name__)