[jira] [Commented] (SAMZA-914) Implement a composable operator APIs for direct programming of DAG in Java

["Yi Pan (Data Infrastructure) (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SAMZA-914?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15211072#comment-15211072 ] 

Yi Pan (Data Infrastructure) commented on SAMZA-914:
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The initial draft of operator programming APIs (stubs) and example application code are [here|https://reviews.apache.org/r/45324/]



> Implement a composable operator APIs for direct programming of DAG in Java
> --------------------------------------------------------------------------
>
>                 Key: SAMZA-914
>                 URL: https://issues.apache.org/jira/browse/SAMZA-914
>             Project: Samza
>          Issue Type: Bug
>            Reporter: Yi Pan (Data Infrastructure)
>            Assignee: Yi Pan (Data Infrastructure)
>
> In the process of design/refining the physical operator layer for SAMZA-552, there is a need to design/implement a fluent programming APIs s.t. users may be able to directly write Java programs using the physical operators.
> The programming APIs would serve as an intermediate layer that serves the following purposes:
> # Users can choose to directly use physical operators (like window/join/filter etc.) in their Java code
> # The SQL parser and engine can use this API to construct the physical operators and the execution DAG.



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