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7c219fd731
git-subtree-dir: SpiffWorkflow git-subtree-split: 63db3e45947ec66b8d0efc2c74064004f8ff482c
55 lines
2.0 KiB
Python
55 lines
2.0 KiB
Python
# -*- 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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class ThreadStart(TaskSpec):
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"""
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This class implements the task the is placed at the beginning
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of each thread. It is NOT supposed to be used! It is purely internal,
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and used only by the ThreadSplit task.
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The task has no inputs and at least one output.
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If more than one output is connected, the task does an implicit
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parallel split.
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"""
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def __init__(self, wf_spec, name='ThreadStart', **kwargs):
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"""
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Constructor. The name of this task is *always* 'ThreadStart'.
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:type wf_spec: WorkflowSpec
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:param wf_spec: A reference to the workflow specification.
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:type kwargs: dict
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:param kwargs: See :class:`SpiffWorkflow.specs.TaskSpec`.
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"""
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TaskSpec.__init__(self, wf_spec, name, **kwargs)
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self.internal = True
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def _on_complete_hook(self, my_task):
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my_task._assign_new_thread_id()
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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_thread_start(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_thread_start(wf_spec, s_state)
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