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From "Richard Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KAFKA-5765) Move merge() from StreamsBuilder to KStream
Date Sat, 16 Sep 2017 16:22:00 GMT

    [ https://issues.apache.org/jira/browse/KAFKA-5765?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16168965#comment-16168965

Richard Yu commented on KAFKA-5765:

To my understanding, there should be a {{merge()}} method that is added to the {{KStream}}
interface (non-internal). However, that means that
no instances of internal classes could be used as an input argument. Meanwhile, the {{KStreamImpl}}
class (which is internal) should override this method, but needs access to the corresponding
{{InternalStreamsBuilder}} instance for the streams to be merged. Is there a way to access
the corresponding {{InternalStreamsBuilder}} instance? 

> Move merge() from StreamsBuilder to KStream
> -------------------------------------------
>                 Key: KAFKA-5765
>                 URL: https://issues.apache.org/jira/browse/KAFKA-5765
>             Project: Kafka
>          Issue Type: Bug
>          Components: streams
>    Affects Versions:, 1.0.0
>            Reporter: Matthias J. Sax
>              Labels: needs-kip, newbie
>             Fix For: 1.1.0
> Merging multiple {{KStream}} is done via {{StreamsBuilder#merge()}} (formally {{KStreamBuilder#merge()}}).
This is quite unnatural and should be done via {{KStream#merge()}}.
> We need a KIP as we add a new method to a public {{KStreams}} API and deprecate the old
{{merge()}} method.

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