[jira] [Commented] (FLINK-3700) Replace Guava Preconditions class with Flink Preconditions

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

    [ https://issues.apache.org/jira/browse/FLINK-3700?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15226119#comment-15226119 ] 

Aljoscha Krettek commented on FLINK-3700:
-----------------------------------------

Could we not just copy the portion of Guava that we use to the Flink codebase then? (It is apache licensed) This would be another portion of code that we maintain and test while there are already several packages out there that provide the functionality.

> Replace Guava Preconditions class with Flink Preconditions
> ----------------------------------------------------------
>
>                 Key: FLINK-3700
>                 URL: https://issues.apache.org/jira/browse/FLINK-3700
>             Project: Flink
>          Issue Type: Improvement
>          Components: Core
>    Affects Versions: 1.0.0
>            Reporter: Stephan Ewen
>            Assignee: Stephan Ewen
>
> In order to reduce the dependency on Guava (which has cause us quite a bit of pain in the past with its version conflicts), I suggest to add a Flink {{Preconditions}} class.



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