[jira] [Commented] (FLINK-4147) Consider moving the file sources from the StreamExecutionEnvironment to the flink-connector-filesystem

["Aljoscha Krettek (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-4147?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15361434#comment-15361434 ] 

Aljoscha Krettek commented on FLINK-4147:
-----------------------------------------

+1 though there is a tradeoff. Not having special-case source methods on {{StreamExecutionEnvironment}} makes it harder to discover sources. This is the same argument as the one between a Flink-style API and a Beam-style API. Where in Flink, all transformation methods are readily discoverable on {{DataStream}} while the Beam {{PCollection}} only has an {{.apply()}} method and operations are separate.

> Consider moving the file sources from the StreamExecutionEnvironment to the flink-connector-filesystem
> ------------------------------------------------------------------------------------------------------
>
>                 Key: FLINK-4147
>                 URL: https://issues.apache.org/jira/browse/FLINK-4147
>             Project: Flink
>          Issue Type: Sub-task
>          Components: DataStream API
>            Reporter: Robert Metzger
>             Fix For: 2.0.0
>
>
> The StreamExecutionEnvironment has many convenience methods for reading static files.
> However, it seems that this makes it hard to maintain Flink's APIs and that not so many users are using the file sources.
> The filesystem connector is the logical location for persistent file reading. I suggest to move those sources there.



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