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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"""Contains the TaskNotRunningDep."""
20from __future__ import annotations
22from airflow.ti_deps.deps.base_ti_dep import BaseTIDep
23from airflow.utils.session import provide_session
24from airflow.utils.state import TaskInstanceState
27class TaskNotRunningDep(BaseTIDep):
28 """Ensures that the task instance's state is not running."""
30 NAME = "Task Instance Not Running"
31 IGNORABLE = False
33 def __eq__(self, other):
34 """Check if two task instance dependencies are of the same type."""
35 return type(self) == type(other)
37 def __hash__(self):
38 """Compute the hash value based on the type of the task instance dependency."""
39 return hash(type(self))
41 @provide_session
42 def _get_dep_statuses(self, ti, session, dep_context=None):
43 if ti.state != TaskInstanceState.RUNNING:
44 yield self._passing_status(reason="Task is not in running state.")
45 return
47 yield self._failing_status(reason="Task is in the running state")