# Copyright 2015 Google Inc.
#
# 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.


class Storage(object):
    """
    Storage implements task persistence. PSQ doesn't require any actual
    storage, but you can not get the return value of a task without it.
    This base class does not store any data and just stubs out the methods.
    """

    def get_task(self, task_id):
        pass

    def put_task(self, task):
        pass

    def delete_task(self, task_id):
        pass
