a3fe3eb698
When a atom is reverted it can be useful to retain the result of that 'revert' method being called, so that it can be later analyzed (or used for various purposes) so adjust the storage, and actions to enable it to be stored. Change-Id: I38a9a5f3bf7550e924468bb4a86652cb8beb306c
40 lines
1.2 KiB
Python
40 lines
1.2 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (C) 2015 Yahoo! Inc. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import abc
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import six
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from taskflow import states
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@six.add_metaclass(abc.ABCMeta)
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class Action(object):
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"""An action that handles executing, state changes, ... of atoms."""
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NO_RESULT = object()
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"""
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Sentinel use to represent lack of any result (none can be a valid result)
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"""
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#: States that are expected to have a result to save...
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SAVE_RESULT_STATES = (states.SUCCESS, states.FAILURE,
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states.REVERTED, states.REVERT_FAILURE)
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def __init__(self, storage, notifier):
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self._storage = storage
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self._notifier = notifier
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