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Posted to commits@beam.apache.org by "Kenneth Knowles (JIRA)" <ji...@apache.org> on 2016/12/21 18:35:58 UTC

[jira] [Created] (BEAM-1192) Add URNs to known transforms instead of using instanceof checks

Kenneth Knowles created BEAM-1192:
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             Summary: Add URNs to known transforms instead of using instanceof checks
                 Key: BEAM-1192
                 URL: https://issues.apache.org/jira/browse/BEAM-1192
             Project: Beam
          Issue Type: Improvement
          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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