Github user gauravgopi123 commented on a diff in the pull request:
https://github.com/apache/incubator-apex-core/pull/185#discussion_r48282574
--- Diff:
engine/src/main/java/com/datatorrent/stram/plan/logical/LogicalPlan.java ---
@@ -1495,6 +1509,11 @@ private void validateThreadLocal(OperatorMeta om) {
return;
}
+ if (om.getOperator() instanceof Operator.DelayOperator) {
+ String msg = String.format("Locality %s invalid for delay operator
%s", Locality.THREAD_LOCAL, om);
+ throw new ValidationException(msg);
--- End diff --
@davidyan74 : The thread_local should be valid till Delay Operator. So even
if there is loop, the thread_local will be valid only delay operator as the
output of delay operator has to go in next window.
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