anishgirianish commented on code in PR #63491:
URL: https://github.com/apache/airflow/pull/63491#discussion_r3249744222


##########
airflow-core/src/airflow/executors/workloads/base.py:
##########
@@ -32,6 +33,28 @@
     from airflow.executors.workloads.types import WorkloadState
 
 
+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.
+#
+# Adding a new workload type is a three-place change that must stay in sync:
+#   1. ``WorkloadType`` — declare the enum member.
+#   2. ``_workload_type_priority_order`` — insert it at the right priority 
slot.
+#   3. ``airflow.executors.workloads.QueueableWorkload`` — extend the 
discriminated union
+#      so ``queue_workload`` can accept the new schema.
+_workload_type_priority_order = (
+    WorkloadType.EXECUTE_CALLBACK,
+    WorkloadType.EXECUTE_TASK,
+)
+
+WORKLOAD_TYPE_PRIORITY: dict[str, int] = {name: idx for idx, name in 
enumerate(_workload_type_priority_order)}

Review Comment:
   updated thank you



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