uranusjr commented on code in PR #50677:
URL: https://github.com/apache/airflow/pull/50677#discussion_r2098736749


##########
airflow-core/src/airflow/models/deadline.py:
##########
@@ -97,11 +98,9 @@ def add_deadline(cls, deadline: Deadline, session: Session = 
NEW_SESSION):
         session.add(deadline)
 
 
-class DeadlineReference(Enum):
+class DeadlineReference(LoggingMixin, Enum):

Review Comment:
   This class is now awfully complex as an enum, and also does what normal 
enums don’t generally do (contain an arbitrary value via `FIXED_DATETIME`).
   
   Maybe we should split this into two classes like this
   
   ```python
   class DefinedDeadline(Enum):
       DAGRUN_LOGICAL_DATE = ...
       DAGRUN_QUEUED_AT = ...
   
       def evaluate(self, **kwargs):
           ...
   
   @dataclass
   class FixedDeadline:
       at: datetime
   
       def evaluate(self, **kwargs):
           ...
   
   class DeadlineReference:
       DAGRUN_LOGICAL_DATE = DefinedDeadline.DAGRUN_LOGICAL_DATE
       DAGRUN_QUEUED_AT = DefinedDeadline.DAGRUN_QUEUED_AT
   
       FIXED_DATETIME = FixedDeadline
   ```



##########
airflow-core/src/airflow/models/deadline.py:
##########
@@ -97,11 +98,9 @@ def add_deadline(cls, deadline: Deadline, session: Session = 
NEW_SESSION):
         session.add(deadline)
 
 
-class DeadlineReference(Enum):
+class DeadlineReference(LoggingMixin, Enum):

Review Comment:
   This class is now awfully complex as an enum, and also does what normal 
enums don’t generally do (contain an arbitrary value via `FIXED_DATETIME`).
   
   Maybe we should split this into two classes like this
   
   ```python
   class DefinedDeadline(Enum):
       DAGRUN_LOGICAL_DATE = ...
       DAGRUN_QUEUED_AT = ...
   
       def evaluate(self, **kwargs):
           ...
   
   @dataclass
   class FixedDeadline:
       at: datetime
   
       def evaluate(self, **kwargs):
           ...
   
   class DeadlineReference:
       DAGRUN_LOGICAL_DATE = DefinedDeadline.DAGRUN_LOGICAL_DATE
       DAGRUN_QUEUED_AT = DefinedDeadline.DAGRUN_QUEUED_AT
       FIXED_DATETIME = FixedDeadline
   ```



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