[jira] [Commented] (KAFKA-3922) Add a copy-constructor to AbstractStream

["Florian Hussonnois (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KAFKA-3922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16059571#comment-16059571 ] 

Florian Hussonnois commented on KAFKA-3922:
-------------------------------------------

[~guozhang] is there a reason why the copy-constructor has been removed ? https://github.com/apache/kafka/commit/3400d0c3cc07d5d3136bf9a19142b36cca93f92d

> Add a copy-constructor to AbstractStream
> ----------------------------------------
>
>                 Key: KAFKA-3922
>                 URL: https://issues.apache.org/jira/browse/KAFKA-3922
>             Project: Kafka
>          Issue Type: Improvement
>          Components: streams
>    Affects Versions: 0.10.0.0
>            Reporter: Florian Hussonnois
>            Assignee: Florian Hussonnois
>            Priority: Trivial
>              Labels: api
>             Fix For: 0.10.0.1, 0.10.1.0
>
>
> It would be nice to have a copy constructor into the class AbstractStream.
> This constructor will allow to decorate KStreamImpl and KTableImpl APIs with new methods without impacting the public API. 
> I think, this can be special useful for community projects which would like to develop DSL extensions. This constructor will give access to the protected members of the AbstractStream.
> I can made a PR if you think this change is possible.



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