Github user tweise commented on a diff in the pull request:
https://github.com/apache/incubator-apex-malhar/pull/117#discussion_r46656055
--- Diff:
demos/wordcount/src/main/java/com/datatorrent/demos/wordcount/ApplicationWithQuerySupport.java
---
@@ -38,13 +38,33 @@
import org.apache.hadoop.conf.Configuration;
+/**
+ * Simple demo that counts word frequencies from any file dropped into a
+ * monitored directory. It outputs the top N word-frequency pairs for each
file
+ * as well globally across all files.
+ * <p>
+ * Each input file generates a corresponding output file in the output
directory
+ * containing the top N pairs for that file. The output is also written
+ * to an internal store to support visualization in the UI via queries.
+ * <p>
+ * @since 3.2.0
--- End diff --
In this case it is required since due to issues with the javadoc it could
not be added as part of the release.
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