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https://issues.apache.org/jira/browse/KAFKA-12849?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17351947#comment-17351947
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Josep Prat commented on KAFKA-12849:
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I'll prepare the KIP tomorrow
> Consider migrating TaskMetadata to interface with internal implementation
> -------------------------------------------------------------------------
>
> Key: KAFKA-12849
> URL: https://issues.apache.org/jira/browse/KAFKA-12849
> Project: Kafka
> Issue Type: Improvement
> Components: streams
> Reporter: A. Sophie Blee-Goldman
> Assignee: Josep Prat
> Priority: Major
> Labels: needs-kip, newbie, newbie++
>
> In KIP-740 we had to go through a deprecation cycle in order to change the
> constructor from the original one which accepted the taskId parameter as a
> string, to the new one which takes a TaskId object directly. We had
> considered just changing the signature directly without deprecation as this
> was never intended to be instantiated by users, rather it just acts as a
> pass-through metadata class. Sort of by definition if there is no reason to
> ever instantiate it, this seems to indicate it may be better suited as a
> public interface with the implementation and constructor as internal APIs.
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