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Posted to commits@beam.apache.org by "Luke Cwik (JIRA)" <ji...@apache.org> on 2017/08/15 23:00:02 UTC

[jira] [Created] (BEAM-2771) Allow using side inputs as ValueProviders

Luke Cwik created BEAM-2771:
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             Summary: Allow using side inputs as ValueProviders
                 Key: BEAM-2771
                 URL: https://issues.apache.org/jira/browse/BEAM-2771
             Project: Beam
          Issue Type: New Feature
          Components: sdk-java-core, sdk-py
            Reporter: Luke Cwik
            Priority: Minor


Allow dynamically computed information in a pipeline which is materialized as a side input to be used in the same places as ValueProviders.

This could solve the problem mentioned in [https://stackoverflow.com/questions/45649244/google-cloud-dataflow-apache-beam-can-i-use-sideinputs-with-textio-write] if TextSink supported ValueProviders for headers/footers.






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