database_callback_sink.py 1.5 KB

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  1. #
  2. # Licensed to the Apache Software Foundation (ASF) under one
  3. # or more contributor license agreements. See the NOTICE file
  4. # distributed with this work for additional information
  5. # regarding copyright ownership. The ASF licenses this file
  6. # to you under the Apache License, Version 2.0 (the
  7. # "License"); you may not use this file except in compliance
  8. # with the License. You may obtain a copy of the License at
  9. #
  10. # http://www.apache.org/licenses/LICENSE-2.0
  11. #
  12. # Unless required by applicable law or agreed to in writing,
  13. # software distributed under the License is distributed on an
  14. # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  15. # KIND, either express or implied. See the License for the
  16. # specific language governing permissions and limitations
  17. # under the License.
  18. from __future__ import annotations
  19. from typing import TYPE_CHECKING
  20. from airflow.callbacks.base_callback_sink import BaseCallbackSink
  21. from airflow.models.db_callback_request import DbCallbackRequest
  22. from airflow.utils.session import NEW_SESSION, provide_session
  23. if TYPE_CHECKING:
  24. from sqlalchemy.orm import Session
  25. from airflow.callbacks.callback_requests import CallbackRequest
  26. class DatabaseCallbackSink(BaseCallbackSink):
  27. """Sends callbacks to database."""
  28. @provide_session
  29. def send(self, callback: CallbackRequest, session: Session = NEW_SESSION) -> None:
  30. """Send callback for execution."""
  31. db_callback = DbCallbackRequest(callback=callback, priority_weight=10)
  32. session.add(db_callback)