[jira] [Updated] (BEAM-4179) Go code should get standard URNs from proto annotations

["Robert Burke (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/BEAM-4179?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Burke updated BEAM-4179:
-------------------------------
    Labels: starter  (was: )

> Go code should get standard URNs from proto annotations
> -------------------------------------------------------
>
>                 Key: BEAM-4179
>                 URL: https://issues.apache.org/jira/browse/BEAM-4179
>             Project: Beam
>          Issue Type: Improvement
>          Components: sdk-go
>            Reporter: Eugene Kirpichov
>            Priority: P3
>              Labels: starter
>
> https://github.com/apache/beam/pull/4672 makes standard URNs of various Beam entities be defined in annotations on some enums in the protos. Java and Python now don't hard-code the URNs, instead they get them from the proto annotations.
> However, Go still hard-codes the URNs. This JIRA is to make Go do something like what Java and Python do.
> (I tried coding this up, but couldn't come up with a good Go API for this - the Java and Python ways don't translate into idiomatic Go as far as I can tell; it's also complicated by the fact that Go protobuf compiler currently doesn't give easy access to enum descriptors: https://github.com/golang/protobuf/issues/364)



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