ASF GitHub Bot logged work on BEAM-3979:

                Author: ASF GitHub Bot
            Created on: 10/Apr/18 16:08
            Start Date: 10/Apr/18 16:08
    Worklog Time Spent: 10m 
      Work Description: reuvenlax commented on issue #4989: [BEAM-3979] Start 
completing the new DoFn vision: plumb context parameters into process functions.
URL: https://github.com/apache/beam/pull/4989#issuecomment-380157683
   @kennknowles have you had time to look at this, or would it be better off 
with another reviewer?

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Issue Time Tracking

    Worklog Id:     (was: 89461)
    Time Spent: 1h  (was: 50m)

> New DoFn should allow injecting of all parameters in ProcessContext
> -------------------------------------------------------------------
>                 Key: BEAM-3979
>                 URL: https://issues.apache.org/jira/browse/BEAM-3979
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-java-core
>    Affects Versions: 2.4.0
>            Reporter: Reuven Lax
>            Assignee: Reuven Lax
>            Priority: Major
>             Fix For: 2.5.0
>          Time Spent: 1h
>  Remaining Estimate: 0h
> This was intended in the past, but never completed. Ideally all primitive 
> parameters in ProcessContext should be injectable, and OutputReceiver 
> parameters can be used to collection output. So, we should be able to write a 
> DoFn as follows
> @ProcessElement
> public void process(@Element String word, OutputReceiver<String> receiver) {
>   receiver.output(word.toUpperCase());
> }

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