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59 lines
1.8 KiB
Python
59 lines
1.8 KiB
Python
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# -*- coding: utf-8 -*-
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# Copyright (C) 2012 Matthew Hampton
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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 .BpmnSpecMixin import BpmnSpecMixin
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from ...task import TaskState
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from ...specs.Simple import Simple
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class ScriptEngineTask(Simple, BpmnSpecMixin):
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"""Task Spec for a bpmn:scriptTask node"""
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def _execute(self, task):
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"""Please override for specific Implementations, see ScriptTask below for an example"""
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pass
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def _on_complete_hook(self, task):
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try:
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self._execute(task)
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super(ScriptEngineTask, self)._on_complete_hook(task)
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except Exception as exc:
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task._set_state(TaskState.WAITING)
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raise exc
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class ScriptTask(ScriptEngineTask):
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def __init__(self, wf_spec, name, script, **kwargs):
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"""
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Constructor.
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:param script: the script that must be executed by the script engine.
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"""
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super(ScriptTask, self).__init__(wf_spec, name, **kwargs)
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self.script = script
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@property
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def spec_type(self):
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return 'Script Task'
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def _execute(self, task):
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task.workflow.script_engine.execute(task, self.script)
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