4cee45e2e3
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
79 lines
2.2 KiB
Python
79 lines
2.2 KiB
Python
# -*- coding: utf-8 -*-
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright (C) 2013 Rackspace Hosting 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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from datetime import datetime
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from taskflow.backends import api as b_api
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from taskflow.openstack.common import uuidutils
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class FlowDetail(object):
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"""Generic backend class that contains TaskDetail snapshots from when
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the FlowDetail is gotten. The data contained within this class is
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not backed by the backend storage in real time.
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The data in this class will only be persisted by the backend when
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the save() method is called.
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"""
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def __init__(self, name, wf, fd_id=None):
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if fd_id:
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self._uuid = fd_id
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else:
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self._uuid = uuidutils.generate_uuid()
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self._name = name
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self._flow = wf
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self.updated_at = datetime.now()
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self._taskdetails = []
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def save(self):
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b_api.flowdetail_save(self)
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def delete(self):
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b_api.flowdetail_delete(self)
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def add_task_detail(self, td):
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self._taskdetails.append(td)
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def remove_task_detail(self, td):
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self._taskdetails = [d for d in self._taskdetails
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if d.uuid != td.uuid]
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def __contains__(self, td):
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for self_td in self:
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if self_td.taskdetail_id == td.taskdetail_id:
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return True
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return False
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@property
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def uuid(self):
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return self._uuid
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@property
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def name(self):
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return self._name
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@property
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def flow(self):
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return self._flow
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def __iter__(self):
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for td in self._taskdetails:
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yield td
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def __len__(self):
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return len(self._taskdetails)
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