Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/2761#discussion_r124658613
--- Diff:
flink-examples/flink-examples-streaming/src/main/java/org/apache/flink/streaming/examples/windowing/GroupedProcessingTimeWindowExample.java
---
@@ -34,49 +34,17 @@
import static java.util.concurrent.TimeUnit.MILLISECONDS;
/**
- * Example of grouped processing time windows.
+ * An example of grouped stream windowing into sliding time windows.
+ * This example uses [[RichParallelSourceFunction]] to generate a list of
key-value pair.
--- End diff --
+s -> `... list of key-value pairs.`
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