ferruzzi commented on code in PR #63491:
URL: https://github.com/apache/airflow/pull/63491#discussion_r2961933602
##########
airflow-core/src/airflow/executors/workloads/base.py:
##########
@@ -20,12 +20,30 @@
import os
from abc import ABC
+from enum import Enum
from typing import TYPE_CHECKING
from pydantic import BaseModel, ConfigDict, Field
if TYPE_CHECKING:
from airflow.api_fastapi.auth.tokens import JWTGenerator
+ from airflow.executors.workloads.types import WorkloadKey
+
+
+class WorkloadType(str, Enum):
+ """Central registry of executor workload types."""
+
+ EXECUTE_TASK = "ExecuteTask"
+ EXECUTE_CALLBACK = "ExecuteCallback"
+
+
+# Central executor priority registry: Tuple is ordered from highest priority
to lowest.
+_workload_type_priority_order = (
+ WorkloadType.EXECUTE_CALLBACK,
+ WorkloadType.EXECUTE_TASK,
+)
+
+WORKLOAD_TYPE_TIER: dict[str, int] = {name: idx for idx, name in
enumerate(_workload_type_priority_order)}
Review Comment:
Two hard things. I can get behind any of those; maybe "priority" slightly
more.
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