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https://issues.apache.org/jira/browse/KAFKA-17015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17856841#comment-17856841
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Matthias J. Sax commented on KAFKA-17015:
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Why do you care about both, as both are internal classes and not part of the
public API? – Also, what is the use case to store any of both in an array list
or similar?
User code should not need to worry about it, and given that its non-public API
I don't see any issue?
> ContextualRecord#hashCode()、ProcessorRecordContext#hashCode() Should not be
> deprecated and throw an exception
> -------------------------------------------------------------------------------------------------------------
>
> Key: KAFKA-17015
> URL: https://issues.apache.org/jira/browse/KAFKA-17015
> Project: Kafka
> Issue Type: Improvement
> Reporter: dujian0068
> Assignee: dujian0068
> Priority: Minor
>
> when review PR#16970。 I find function
> `ContextualRecord#hashCode()、ProcessorRecordContext#hashCode() ` be
> deprecated because they have a mutable attribute, which will cause the
> hashCode to change。
> I don't think that hashCode should be discarded just because it is mutable.
> HashCode is a very important property of an object. It just shouldn't be used
> for hash addressing, like ArayList
>
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