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https://issues.apache.org/jira/browse/KAFKA-7430?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias J. Sax reassigned KAFKA-7430:
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Assignee: Eugen Feller
> Improve Transformer interface JavaDoc
> -------------------------------------
>
> Key: KAFKA-7430
> URL: https://issues.apache.org/jira/browse/KAFKA-7430
> Project: Kafka
> Issue Type: Improvement
> Components: streams
> Affects Versions: 0.10.2.2, 0.11.0.3, 1.1.1, 2.0.0
> Reporter: Eugen Feller
> Assignee: Eugen Feller
> Priority: Trivial
> Labels: stream
>
> Currently Transformer JavaDoc mentions that it is possible to use both
> ctx.forward() and returning a KeyValue(). It would be great if we could
> mention that returning a KeyValue is merely a convenience thing. In other
> words, everything can be achieved using ctx.forward():
> "return new KeyValue()" and "ctx.forward(); return null;" are equivalent.
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