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46 lines
1.7 KiB
Python
46 lines
1.7 KiB
Python
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# -*- coding: utf-8 -*-
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# Copyright (C) 2007 Samuel Abels
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301 USA
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from .base import TaskSpec
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from .Trigger import Trigger
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class CancelTask(Trigger):
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"""
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This class implements a trigger that cancels another task (branch).
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If more than one input is connected, the task performs an implicit
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multi merge.
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If more than one output is connected, the task performs an implicit
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parallel split.
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"""
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def _on_complete_hook(self, my_task):
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for task_name in self.context:
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cancel_tasks = my_task.workflow.get_task_spec_from_name(task_name)
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for cancel_task in my_task._get_root()._find_any(cancel_tasks):
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cancel_task.cancel()
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TaskSpec._on_complete_hook(self, my_task)
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def serialize(self, serializer):
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return serializer.serialize_cancel_task(self)
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@classmethod
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def deserialize(self, serializer, wf_spec, s_state):
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return serializer.deserialize_cancel_task(wf_spec, s_state)
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