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ba67d7ad34
98c6294f1 Merge pull request #287 from sartography/feature/workflow_data_exceptions d40a1da59 Workflow Data Exceptions were broken in the previous error refactor. This assures we are getting good messages from these errors. a156378e1 Merge pull request #286 from sartography/feature/inclusive-gateway-support 7f6e398c2 bypass unnecessary checks in gateway joins ade21a894 revert a few things e1cf75202 Merge branch 'main' into feature/inclusive-gateway-support 15a0a4414 revert change to MultiChoice and handle no defaults in BPMN specs e1469e6bb add support for diverging inclusive gateways 71fd86386 really prevent non-default flows without conditions 924759d9b clean up join specs 7378639d3 Merge pull request #284 from sartography/feature/improved-timer-events dc8d139d2 remove useless method 530f23697 Merge branch 'main' into feature/improved-timer-events 307cca9c5 partially clean up existing gateways 0a344285e clean up task parsers 2cef997d1 add waiting_events method to bpmn workflow 48091c407 serializer migration script and miscellaneous fixes to serialization 61316854b store internal timer data as string/float 389c14c4c add some tests for parsing durations 582bc9482 convert timers to iso 8601 6dfd7ebe9 remove extraneous calls to update 6bd429529 clean up tests d56e9912f remove useless method git-subtree-dir: SpiffWorkflow git-subtree-split: 98c6294f1240aee599cd98bcee58d121cb57b331
50 lines
1.9 KiB
Python
50 lines
1.9 KiB
Python
# -*- 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 .UnstructuredJoin import UnstructuredJoin
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class ParallelGateway(UnstructuredJoin):
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"""
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Task Spec for a bpmn:parallelGateway node. From the specification of BPMN
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(http://www.omg.org/spec/BPMN/2.0/PDF - document number:formal/2011-01-03):
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The Parallel Gateway is activated if there is at least one token on
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each incoming Sequence Flow.
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The Parallel Gateway consumes exactly one token from each incoming
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Sequence Flow and produces exactly one token at each outgoing
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Sequence Flow.
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TODO: Not implemented:
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If there are excess tokens at an incoming Sequence Flow, these tokens
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remain at this Sequence Flow after execution of the Gateway.
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Essentially, this means that we must wait until we have a completed parent
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task on each incoming sequence.
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"""
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def _check_threshold_unstructured(self, my_task, force=False):
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completed_inputs, waiting_tasks = self._get_inputs_with_tokens(my_task)
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return force or len(completed_inputs) >= len(self.inputs), waiting_tasks
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@property
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def spec_type(self):
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return 'Parallel Gateway'
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