Github user kl0u commented on a diff in the pull request:
https://github.com/apache/flink/pull/2093#discussion_r66787353
--- Diff:
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/datastream/WindowedStream.java
---
@@ -121,6 +124,23 @@ public WindowedStream(KeyedStream<T, K> input,
}
/**
+ * Sets the allowed lateness. If the {@link WindowAssigner} used
+ * is in processing time, then the allowed lateness is set to 0.
+ */
+ @PublicEvolving
+ public WindowedStream<T, K, W> setAllowedLateness(Time lateness) {
+ long millis = lateness.toMilliseconds();
+ if (allowedLateness < 0) {
+ throw new IllegalArgumentException("The allowed
lateness cannot be negative.");
+ } else if (allowedLateness != 0 &&
!windowAssigner.isEventTime()) {
+ this.allowedLateness = 0;
--- End diff --
I agree but here we do not have a logger here yet.
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