Files
deb-python-taskflow/taskflow/backends/base.py
kchenweijie 4cee45e2e3 Added Memory Persistence API and Generic Datatypes
Added a generic persistence API for JobBoards,
Jobs, LogBooks, Workflows, FlowDetails, Tasks,
and TaskDetails. The currently implemented
backends are in-memory. Also implemented generic
return types (listed above) for the generic API.

Change-Id: I6d09860ee08a900faf2c213a230429bf9e0dec01
2013-08-09 14:40:02 -05:00

40 lines
1.3 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2010 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
#
# 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.
"""Base class for classes that need modular database access."""
from oslo.config import cfg
from taskflow.openstack.common import importutils
db_driver_opt = cfg.StrOpt('db_driver',
default='taskflow.db',
help='driver to use for database access')
CONF = cfg.CONF
CONF.register_opt(db_driver_opt)
class Base(object):
"""DB driver is injected in the init method."""
def __init__(self, db_driver=None):
if not db_driver:
db_driver = CONF.db_driver
self.db = importutils.import_module(db_driver) # pylint: disable=C0103