| # Copyright 2014 Rackspace Australia |
| # |
| # 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. |
| |
| import abc |
| |
| import six |
| |
| |
| @six.add_metaclass(abc.ABCMeta) |
| class BaseTrigger(object): |
| """Base class for triggers. |
| |
| Defines the exact public methods that must be supplied.""" |
| |
| def __init__(self, trigger_config={}, sched=None, connection=None): |
| self.trigger_config = trigger_config |
| self.sched = sched |
| self.connection = connection |
| |
| def stop(self): |
| """Stop the trigger.""" |
| |
| @abc.abstractmethod |
| def getEventFilters(self, trigger_conf): |
| """Return a list of EventFilter's for the scheduler to match against. |
| """ |
| |
| def postConfig(self): |
| """Called after config is loaded.""" |
| |
| def onChangeMerged(self, change, source): |
| """Called when a change has been merged.""" |
| |
| def onChangeEnqueued(self, change, pipeline): |
| """Called when a change has been enqueued.""" |