Github user gauravgopi123 commented on a diff in the pull request:
https://github.com/apache/incubator-apex-core/pull/185#discussion_r47724731
--- Diff:
engine/src/main/java/com/datatorrent/stram/plan/logical/LogicalPlan.java ---
@@ -1613,6 +1636,37 @@ else if (stack.contains(successor)) {
}
}
+ public void findInvalidDelays(OperatorMeta om, List<List<String>>
invalidDelays)
+ {
+ stack.push(om);
+
+ // depth first successors traversal
+ boolean isDelayOperator = om.getOperator() instanceof
Operator.DelayOperator;
+ if (isDelayOperator) {
+ if (om.getValue(OperatorContext.APPLICATION_WINDOW_COUNT) != 1) {
+ LOG.warn("detected DelayOperator having APPLICATION_WINDOW_COUNT
not equal to 1");
--- End diff --
Should it not be that APPLICATION_WINDOW_COUNT of delay operator can't be
greater than the down stream operator??
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