[jira] [Created] (BEAM-1949) Rename DoFn.Context#sideOutput to #output

["Thomas Groh (JIRA)" <ji...@apache.org>]

Thomas Groh created BEAM-1949:
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             Summary: Rename DoFn.Context#sideOutput to #output
                 Key: BEAM-1949
                 URL: https://issues.apache.org/jira/browse/BEAM-1949
             Project: Beam
          Issue Type: Improvement
          Components: sdk-java-core
            Reporter: Thomas Groh
            Assignee: Thomas Groh


Having two methods, both named output, one which takes the "main output type" and one that takes a tag to specify the type more clearly communicates the actual behavior - sideOutput isn't a "special" way to output, it's the same as output(T), just to a specified PCollection. This will help pipeline authors understand the actual behavior of outputting to a tag, and detangle it from "sideInput", which is a special way to receive input. Giving them the same name means that it's not even strange to call output and provide the main output type, which is what we want - it's a more specific way to output, but does not have different restrictions or capabilities.

This is also a pretty small change within the SDK - it touches about 20 files, and the changes are pretty automatic.



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