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https://issues.apache.org/jira/browse/KAFKA-6966?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16509072#comment-16509072
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Matthias J. Sax commented on KAFKA-6966:
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Thanks for your interest in contributing to Kafka! I added you to the list of
contributors and assigned the ticket to you. You can also self-assign tickets
now. Please prepare a KIP for this – you can also work on a PR in parallel –
whatever works best for you. The KIP must be accepted before we can accept the
PR. If you don't have a wiki account yet, please create one and provide your
wiki ID so we can grant you write access to the wiki (otherwise you cannot
create a KIP page).
> Extend `TopologyDescription.Sink` to return `TopicNameExtractor`
> ----------------------------------------------------------------
>
> Key: KAFKA-6966
> URL: https://issues.apache.org/jira/browse/KAFKA-6966
> Project: Kafka
> Issue Type: Bug
> Components: streams
> Affects Versions: 2.0.0
> Reporter: Matthias J. Sax
> Assignee: Nishanth Pradeep
> Priority: Major
> Labels: beginner, needs-kip, newbie
>
> With KIP-303, a dynamic routing feature was added and
> `TopologyDescription.Sink#topic()` returns `null` if this feature is used.
> It would be useful to get the actually used `TopicNameExtractor` class from
> the `TopologyDescription`.
> We suggest to add `Class<? extends TopicNameExtractor>
> TopologyDescription.Sink#topicNameExtractor()` and let it return `null` if
> dynamic routing feature is not used.
> This is a public API change and requires a KIP:
> https://cwiki.apache.org/confluence/display/KAFKA/Kafka+Improvement+Proposals
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