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d581ac9b22
96ad2a2b0 Merge pull request #311 from sartography/feature/error-message-on-bad-child-task 3fb69038d Merge remote-tracking branch 'origin/main' into feature/error-message-on-bad-child-task df703ebb8 Merge remote-tracking branch 'origin/feature/add_task_not_found_error' d6e244bcf also raise TaskNotFoundException from bpmn workflow w/ burnettk 37d7ae679 Merge pull request #310 from sartography/feature/add_task_not_found_error 7f4d38ce2 give us a better error if for some reason a task does not exist b98efbd20 added an exception for task not found w/ burnettk e1add839d Merge pull request #308 from sartography/bugfix/execute-event-gateways-on-ready 964c0231a do not predict tasks when deserializing, add method to predict all unfinished tasks 114f87aa9 update event gateway 62454c99c Merge pull request #307 from sartography/feature/standardize-task-execution a087d29ea update task_spec._run to return a boolean & misc cleanup 9864d753d reenable recursion test 1bb1246a0 rename methods & move ready_before tasks from run to ready 12ce08519 move event task execution to run d51bb68eb cleanup predictions 5e05458a3 make all tasks execute when run rather than completed (except bpmn events) 273d7b325 create a run method for tasks 3c3345c85 Merge pull request #306 from sartography/feature/create-core-test-package ed85547d7 hopefully fix CI job, also update some deprecated assertions 80d68c231 cleanup around finding tasks ea5ffff41 create tests based on individual patterns afe41fba1 move core tests into one package c075d52bc remove locks from task spec -- they don't do anything d78c7cc04 reorganize so that related methods are near each other f162aac43 Merge pull request #305 from sartography/feature/remove-loop-reset 6cad29817 'fix' old serializer to remove loop resets -- or at least get the tests to pass a95d2fc12 add serialization migration that removes loop resets c076175c8 account for DST in timers 42b483054 Merge pull request #303 from sartography/bugfix/execute-tasks-on-ready 2bb08aae1 update script/service tasks to execute on ready 0bd23a0ab fix scripts in business rule tasks 13034aaf1 prevent loop reset tasks from being inserted 3fb80518d update join execution model git-subtree-dir: SpiffWorkflow git-subtree-split: 96ad2a2b060deb445c39374f065690023351de19
96 lines
4.0 KiB
Python
96 lines
4.0 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 ...task import TaskState
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from .BpmnSpecMixin import BpmnSpecMixin
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from ...specs.Join import Join
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class UnstructuredJoin(Join, BpmnSpecMixin):
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"""
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A helper subclass of Join that makes it work in a slightly friendlier way
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for the BPMN style threading
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"""
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def _get_inputs_with_tokens(self, my_task):
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# Look at the tree to find all places where this task is used.
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tasks = [ t for t in my_task.workflow.get_tasks_from_spec_name(self.name) if t.workflow == my_task.workflow ]
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# Look up which tasks have parents completed.
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waiting_tasks = []
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completed_inputs = set()
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for task in tasks:
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if task.parent.state == TaskState.COMPLETED:
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completed_inputs.add(task.parent.task_spec)
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# Ignore predicted tasks; we don't care about anything not definite
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elif task.parent._has_state(TaskState.READY | TaskState.FUTURE | TaskState.WAITING):
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waiting_tasks.append(task.parent)
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return completed_inputs, waiting_tasks
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def _do_join(self, my_task):
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split_task = self._get_split_task(my_task)
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# Identify all corresponding task instances within the thread.
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# Also remember which of those instances was most recently changed,
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# because we are making this one the instance that will
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# continue the thread of control. In other words, we will continue
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# to build the task tree underneath the most recently changed task.
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last_changed = None
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thread_tasks = []
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for task in split_task._find_any(self):
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if task.thread_id != my_task.thread_id:
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# Ignore tasks from other threads. (Do we need this condition?)
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continue
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if not task.parent._is_finished():
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# For an inclusive join, this can happen - it's a future join
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continue
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if my_task._is_descendant_of(task):
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# Skip ancestors (otherwise the branch this task is on will get dropped)
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continue
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# We have found a matching instance.
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thread_tasks.append(task)
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# Check whether the state of the instance was recently changed.
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changed = task.parent.last_state_change
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if last_changed is None or changed > last_changed.parent.last_state_change:
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last_changed = task
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# Update data from all the same thread tasks.
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thread_tasks.sort(key=lambda t: t.parent.last_state_change)
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collected_data = {}
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for task in thread_tasks:
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collected_data.update(task.data)
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for task in thread_tasks:
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if task != last_changed:
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task._set_state(TaskState.CANCELLED)
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task._drop_children()
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else:
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task.data.update(collected_data)
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def task_should_set_children_future(self, my_task):
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return True
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def task_will_set_children_future(self, my_task):
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# go find all of the gateways with the same name as this one,
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# drop children and set state to WAITING
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for t in list(my_task.workflow.task_tree):
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if t.task_spec.name == self.name and t.state == TaskState.COMPLETED:
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t._set_state(TaskState.WAITING)
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