[jira] [Assigned] (BEAM-1993) Remove special unbounded Flink source/sink

["Ismaël Mejía (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/BEAM-1993?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ismaël Mejía reassigned BEAM-1993:
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    Assignee: Ismaël Mejía  (was: Aljoscha Krettek)

> Remove special unbounded Flink source/sink
> ------------------------------------------
>
>                 Key: BEAM-1993
>                 URL: https://issues.apache.org/jira/browse/BEAM-1993
>             Project: Beam
>          Issue Type: Improvement
>          Components: runner-flink
>            Reporter: Aljoscha Krettek
>            Assignee: Ismaël Mejía
>             Fix For: First stable release
>
>
> {{UnboundedFlinkSource}} and {{UnboundedFlinkSink}} allow using a Flink {{SourceFunction}}/{{SinkFunction}} with Beam. They only work on the Flink Runner since they directly pass through the function. This doesn't play well with Runner portability and was there in the beginning because Beam didn't yet have a rich ecosystem of connectors.
> Once we remove this we can also remove the flink/examples package because the only custom stuff left there is examples showcasing the use of Flink sources/sinks.



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