sunank200 commented on code in PR #40084:
URL: https://github.com/apache/airflow/pull/40084#discussion_r1684695310
##########
airflow/triggers/base.py:
##########
@@ -137,3 +150,96 @@ def __eq__(self, other):
if isinstance(other, TriggerEvent):
return other.payload == self.payload
return False
+
+ @provide_session
+ def handle_submit(self, *, task_instance: TaskInstance, session: Session =
NEW_SESSION) -> None:
+ """
+ Handle the submit event for a given task instance.
+
+ This function sets the next method and next kwargs of the task
instance,
+ as well as its state to scheduled. It also adds the event's payload
+ into the kwargs for the task.
+
+ :param task_instance: The task instance to handle the submit event for.
+ :param session: The session to be used for the database callback sink.
+ """
+ next_kwargs = task_instance.next_kwargs or {}
+ next_kwargs["event"] = self.payload
+ task_instance.next_kwargs = next_kwargs
+ task_instance.trigger_id = None
+ task_instance.state = TaskInstanceState.SCHEDULED
+
+
+class BaseTaskEndEvent(TriggerEvent):
+ """Base event class to end the task without resuming on worker."""
+
+ task_instance_state: TaskInstanceState
+
+ def __init__(self, *, xcoms: dict[str, Any] | None = None, **kwargs) ->
None:
+ """
+ Initialize the class with the specified parameters.
+
+ :param xcoms: A dictionary of XComs or None.
+ :param kwargs: Additional keyword arguments.
+ """
+ if "payload" in kwargs:
+ raise ValueError("Param 'payload' not supported for this class.")
+ super().__init__(payload=self.task_instance_state)
+ self.xcoms = xcoms
+
+ @provide_session
+ def handle_submit(self, *, task_instance: TaskInstance, session: Session =
NEW_SESSION) -> None:
+ """
+ Submit event for the given task instance.
+
+ Marks the task with the state `task_instance_state` and optionally
pushes xcom if applicable.
+
+ :param task_instance: The task instance to be submitted.
+ :param session: The session to be used for the database callback sink.
+ """
+ # Mark the task with terminal state and prevent it from resuming on
worker
+ task_instance.trigger_id = None
+ task_instance.state = self.task_instance_state
+
+ self._submit_callback_if_necessary(task_instance=task_instance,
session=session)
+ self._push_xcoms_if_necessary(task_instance=task_instance)
+
+ def _submit_callback_if_necessary(self, *, task_instance: TaskInstance,
session) -> None:
+ """Submit a callback request if the task state is SUCCESS or FAILED."""
+ is_failure = self.task_instance_state == TaskInstanceState.FAILED
+ if self.task_instance_state in [TaskInstanceState.SUCCESS,
TaskInstanceState.FAILED]:
Review Comment:
Changed it
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