c8f3903fa4
In order to understand how listeners are used it is pretty nice to have a default set that do basic printing and logging that can be used in debugging (or just as examples). Include an example that uses this as well. Fixes: bug 1224060 Change-Id: I7ba6e9dcbdca84d014b9d1f5054ce7a37eb766f2
42 lines
1.2 KiB
Python
42 lines
1.2 KiB
Python
# -*- coding: utf-8 -*-
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright (C) 2013 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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class EngineBase(object):
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__metaclass__ = abc.ABCMeta
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def __init__(self, flow, flow_detail, backend, conf):
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self._flow = flow
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self._flow_detail = flow_detail
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self.storage = self._storage_cls(flow_detail, backend)
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@abc.abstractproperty
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def _storage_cls(self):
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"""Storage class"""
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@abc.abstractmethod
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def compile(self):
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"""Check the flow and convert it to internal representation"""
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@abc.abstractmethod
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def run(self):
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"""Run the flow"""
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