Github user thvasilo commented on a diff in the pull request:
https://github.com/apache/flink/pull/2761#discussion_r91119626
--- Diff:
flink-examples/flink-examples-streaming/src/main/scala/org/apache/flink/streaming/scala/examples/windowing/GroupedProcessingTimeWindowExample.scala
---
@@ -27,6 +27,10 @@ import
org.apache.flink.streaming.api.functions.source.SourceFunction.SourceCont
import org.apache.flink.streaming.api.scala.StreamExecutionEnvironment
import org.apache.flink.streaming.api.windowing.time.Time
+/**
+ * An example of grouped stream windowing into sliding time windows.
+ * This example uses [[RichParallelSourceFunction]] to generates a list
of key-value pair.
--- End diff --
Typo: "generates" should be "generate"
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