[jira] [Commented] (FLINK-3989) Add guide to write a custom streaming connector in DataStream API documentation

["Robert Metzger (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-3989?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15306605#comment-15306605 ] 

Robert Metzger commented on FLINK-3989:
---------------------------------------

Big +1!

> Add guide to write a custom streaming connector in DataStream API documentation
> -------------------------------------------------------------------------------
>
>                 Key: FLINK-3989
>                 URL: https://issues.apache.org/jira/browse/FLINK-3989
>             Project: Flink
>          Issue Type: Task
>          Components: Documentation
>    Affects Versions: 1.1.0
>            Reporter: Tzu-Li (Gordon) Tai
>
> I think it's a good idea to add a basic outline in the documentation for users to compose their own streaming connector source / sinks, as its quite a frequently asked question in the mailing lists and might be helpful for Flink to get traction on new external systems faster.
> The documentation should contain information about what classes to extend, what life cycle methods to implement, how to implement an exactly once source, etc.



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