def _on_task_state_change(self, task_ex, wf_ex, task_state=states.SUCCESS):
task_spec = spec_parser.get_task_spec(task_ex.spec)
wf_spec = spec_parser.get_workflow_spec(wf_ex.spec)
# We must be sure that if task is completed,
# it was also completed in previous transaction.
if (task_handler.is_task_completed(task_ex, task_spec)
and states.is_completed(task_state)):
task_handler.after_task_complete(task_ex, task_spec, wf_spec)
# Ignore DELAYED state.
if task_ex.state == states.RUNNING_DELAYED:
return
wf_ctrl = wf_base.WorkflowController.get_controller(wf_ex, wf_spec)
# Calculate commands to process next.
cmds = wf_ctrl.continue_workflow()
task_ex.processed = True
self._dispatch_workflow_commands(wf_ex, cmds)
self._check_workflow_completion(wf_ex, wf_ctrl)
elif task_handler.need_to_continue(task_ex, task_spec):
# Re-run existing task.
cmds = [commands.RunExistingTask(task_ex, reset=False)]
self._dispatch_workflow_commands(wf_ex, cmds)
def _on_task_state_change(self, task_ex, wf_ex):
task_spec = spec_parser.get_task_spec(task_ex.spec)
wf_spec = spec_parser.get_workflow_spec(wf_ex.spec)
if task_handler.is_task_completed(task_ex, task_spec):
task_handler.after_task_complete(task_ex, task_spec, wf_spec)
# Ignore DELAYED state.
if task_ex.state == states.DELAYED:
return
wf_ctrl = wf_base.WorkflowController.get_controller(wf_ex)
# Calculate commands to process next.
cmds = wf_ctrl.continue_workflow()
task_ex.processed = True
self._dispatch_workflow_commands(wf_ex, cmds)
self._check_workflow_completion(wf_ex, wf_ctrl)
elif task_handler.need_to_continue(task_ex, task_spec):
# Re-run existing task.
cmds = [commands.RunExistingTask(task_ex, reset=False)]
self._dispatch_workflow_commands(wf_ex, cmds)
def _on_task_state_change(self, task_ex, wf_ex, action_ex=None):
task_spec = spec_parser.get_task_spec(task_ex.spec)
wf_spec = spec_parser.get_workflow_spec(wf_ex.spec)
if states.is_completed(task_ex.state):
task_handler.after_task_complete(task_ex, task_spec, wf_spec)
# Ignore DELAYED state.
if task_ex.state == states.DELAYED:
return
wf_ctrl = wf_base.WorkflowController.get_controller(wf_ex)
# Calculate commands to process next.
cmds = wf_ctrl.continue_workflow()
task_ex.processed = True
self._dispatch_workflow_commands(wf_ex, cmds)
self._check_workflow_completion(wf_ex, action_ex, wf_ctrl)
def _on_task_state_change(self, task_ex, wf_ex, action_ex=None):
task_spec = spec_parser.get_task_spec(task_ex.spec)
wf_spec = spec_parser.get_workflow_spec(wf_ex.spec)
if states.is_completed(task_ex.state):
task_handler.after_task_complete(task_ex, task_spec, wf_spec)
# Ignore DELAYED state.
if task_ex.state == states.DELAYED:
return
wf_ctrl = wf_base.WorkflowController.get_controller(wf_ex)
# Calculate commands to process next.
cmds = wf_ctrl.continue_workflow()
task_ex.processed = True
self._dispatch_workflow_commands(wf_ex, cmds)
self._check_workflow_completion(wf_ex, action_ex, wf_ctrl)
def _on_task_state_change(self, task_ex, wf_ex, wf_spec):
task_spec = wf_spec.get_tasks()[task_ex.name]
if task_handler.is_task_completed(task_ex, task_spec):
task_handler.after_task_complete(task_ex, task_spec, wf_spec)
# Ignore DELAYED state.
if task_ex.state == states.RUNNING_DELAYED:
return
wf_ctrl = wf_base.get_controller(wf_ex, wf_spec)
# Calculate commands to process next.
try:
cmds = wf_ctrl.continue_workflow()
except exc.YaqlEvaluationException as e:
LOG.error(
'YAQL error occurred while calculating next workflow '
'commands [wf_ex_id=%s, task_ex_id=%s]: %s',
wf_ex.id, task_ex.id, e
)
wf_handler.fail_workflow(wf_ex, str(e))
return
# Mark task as processed after all decisions have been made
# upon its completion.
task_ex.processed = True
self._dispatch_workflow_commands(wf_ex, cmds, wf_spec)
self._check_workflow_completion(wf_ex, wf_ctrl, wf_spec)
elif task_handler.need_to_continue(task_ex, task_spec):
# Re-run existing task.
cmds = [commands.RunExistingTask(task_ex, reset=False)]
self._dispatch_workflow_commands(wf_ex, cmds, wf_spec)