def evaluate_workflow_final_context(self):
return data_flow.evaluate_task_outbound_context(
wf_utils.find_task_execution(
self.wf_ex,
self._get_target_task_specification()
)
)
def evaluate_workflow_final_context(self):
return data_flow.evaluate_task_outbound_context(
wf_utils.find_task_execution(
self.wf_ex,
self._get_target_task_specification()
)
)
def defer_task(wf_cmd):
"""Defers a task"""
ctx = wf_cmd.ctx
wf_ex = wf_cmd.wf_ex
task_spec = wf_cmd.task_spec
if not wf_utils.find_task_execution(wf_ex, task_spec):
_create_task_execution(wf_ex, task_spec, ctx, state=states.WAITING)
def _has_outbound_tasks(self, task_ex):
t_specs = self._find_outbound_task_specs(
self.wf_spec.get_tasks()[task_ex.name]
)
return any(
[wf_utils.find_task_execution(self.wf_ex, t_s) for t_s in t_specs]
)
def defer_task(wf_cmd):
"""Defers a task"""
ctx = wf_cmd.ctx
wf_ex = wf_cmd.wf_ex
task_spec = wf_cmd.task_spec
if not wf_utils.find_task_execution(wf_ex, task_spec):
_create_task_execution(wf_ex, task_spec, ctx, state=states.WAITING)
def _triggers_join(self, join_task_spec, inbound_task_spec):
in_t_ex = wf_utils.find_task_execution(self.wf_ex, inbound_task_spec)
if not in_t_ex or not states.is_completed(in_t_ex.state):
return False
return filter(
lambda t_name: join_task_spec.get_name() == t_name,
self._find_next_task_names(
in_t_ex, data_flow.evaluate_task_outbound_context(in_t_ex)))
def _triggers_join(self, join_task_spec, inbound_task_spec):
in_t_ex = wf_utils.find_task_execution(self.wf_ex, inbound_task_spec)
if not in_t_ex or not states.is_completed(in_t_ex.state):
return False
return filter(
lambda t_name: join_task_spec.get_name() == t_name,
self._find_next_task_names(in_t_ex, data_flow.evaluate_task_outbound_context(in_t_ex)),
)
def _is_satisfied_task(self, task_spec):
task_ex = wf_utils.find_task_execution(self.wf_ex, task_spec)
if task_ex:
return False
if not self._get_task_requires(task_spec):
return True
success_t_names = set()
for t_ex in self.wf_ex.task_executions:
if t_ex.state == states.SUCCESS:
success_t_names.add(t_ex.name)
return not (set(self._get_task_requires(task_spec)) - success_t_names)
def _is_satisfied_task(self, task_spec):
task_requires = self._get_task_requires(task_spec)
for req in task_requires:
if not self._task_exists(req):
raise exc.WorkflowException(
"Task '%s' not found." % req
)
task_ex = wf_utils.find_task_execution(self.wf_ex, task_spec)
if task_ex:
return False
if not self._get_task_requires(task_spec):
return True
success_t_names = set()
for t_ex in self.wf_ex.task_executions:
if t_ex.state == states.SUCCESS:
success_t_names.add(t_ex.name)
return not (set(self._get_task_requires(task_spec)) - success_t_names)
def _has_outbound_tasks(self, task_ex):
t_specs = self._find_outbound_task_specs(
self.wf_spec.get_tasks()[task_ex.name])
return any(
[wf_utils.find_task_execution(self.wf_ex, t_s) for t_s in t_specs])
def _is_started_join(self, cmd):
if not isinstance(cmd, commands.RunTask):
return False
return (cmd.task_spec.get_join()
and wf_utils.find_task_execution(self.wf_ex, cmd.task_spec))
