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From Ismaël Mejía (JIRA) <>
Subject [jira] [Commented] (BEAM-1201) Remove producesSortedKeys from BoundedSource
Date Tue, 27 Dec 2016 23:06:58 GMT


Ismaël Mejía commented on BEAM-1201:

Just a question out of curiosity, what was the initial design goal of this ? What was the
runner (or dataflow in the old days) suppose to do with this ?

> Remove producesSortedKeys from BoundedSource
> --------------------------------------------
>                 Key: BEAM-1201
>                 URL:
>             Project: Beam
>          Issue Type: Improvement
>          Components: sdk-java-core
>            Reporter: Daniel Halperin
>            Assignee: Daniel Halperin
>            Priority: Minor
>              Labels: backward-incompatible
>             Fix For: 0.5.0-incubating
> This is a holdover from a precursor of the old Dataflow SDK that we just failed to delete
before releasing Dataflow 1.0, but we can delete before the first stable release of Beam.
> This function has never been used by any runner. It does not mean anything obvious to
implementors, as many sources produce {{T}}, not {{KV<K,V>}} -- what does it mean in
the former case? (And how do you get the latter case correct?)

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