Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/4009#discussion_r118946760
--- Diff:
flink-java/src/main/java/org/apache/flink/api/java/functions/FormattingMapper.java
---
@@ -23,6 +23,10 @@
import org.apache.flink.api.java.io.TextOutputFormat;
import org.apache.flink.api.java.io.TextOutputFormat.TextFormatter;
+/**
+ * Mapper that formats value into {@link String} representation.
--- End diff --
-> "Mapper that converts values to strings using a {@link TextFormatter}."
I don't think we need to link to the String class ;)
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