[jira] [Commented] (BEAM-1192) Give transforms URNs, use them instead of instanceof checks

["Kenneth Knowles (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/BEAM-1192?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15796187#comment-15796187 ] 

Kenneth Knowles commented on BEAM-1192:
---------------------------------------

Another thing that is similar to URNs, but used differently, is the `kindString` / `name`. We should clean this up at the same time.

> Give transforms URNs, use them instead of instanceof checks
> -----------------------------------------------------------
>
>                 Key: BEAM-1192
>                 URL: https://issues.apache.org/jira/browse/BEAM-1192
>             Project: Beam
>          Issue Type: New Feature
>          Components: beam-model-runner-api
>            Reporter: Kenneth Knowles
>
> In the [Beam Runner AP|https://s.apache.org/beam-runner-api], transforms of interest to runners are to be identified by URN.
> Currently, Java-based runners use `instanceof` checks to both override transforms and to implement primitive transforms. This language and SDK-specific behavior should be replaced by adding these URNs, and checking them.



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