[jira] [Commented] (BEAM-2779) PipelineOptionsFactory should prevent non PipelineOptions interfaces from being constructed.

["Kai Jiang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/BEAM-2779?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16136000#comment-16136000 ] 

Kai Jiang commented on BEAM-2779:
---------------------------------

I would like to take a look at this. Working on this.

> PipelineOptionsFactory should prevent non PipelineOptions interfaces from being constructed.
> --------------------------------------------------------------------------------------------
>
>                 Key: BEAM-2779
>                 URL: https://issues.apache.org/jira/browse/BEAM-2779
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-java-core
>    Affects Versions: 2.0.0
>            Reporter: Luke Cwik
>            Priority: Minor
>              Labels: starter
>
> PipelineOptions currently serializes information about all getter/setter pairs on interfaces which don't extend PipelineOptions.
> For example:
> {code:java}
> interface Foo extends PipelineOptions, Bar {
>   String getFoo();
>   void setFoo(String value);
> }
> interface Bar {
>   String getBar();
>   void setBar(String value);
> }
> {code}
> The serialization of the above (when both *foo* and *bar* are set) will produce JSON where we only include display data for *foo* but data for both *foo* and *bar*. During validation of an interface in *PipelineOptionsFactory*, we should throw an error if one of the users interfaces doesn't extend *PipelineOptions* (note that we should ignore the HasDisplayData interface).



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