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https://issues.apache.org/jira/browse/BEAM-6858?focusedWorklogId=298944&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-298944
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ASF GitHub Bot logged work on BEAM-6858:
----------------------------------------
Author: ASF GitHub Bot
Created on: 21/Aug/19 19:37
Start Date: 21/Aug/19 19:37
Worklog Time Spent: 10m
Work Description: reuvenlax commented on issue #9275: [BEAM-6858] Support
side inputs injected into a DoFn
URL: https://github.com/apache/beam/pull/9275#issuecomment-523617313
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Issue Time Tracking
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Worklog Id: (was: 298944)
Time Spent: 3h 40m (was: 3.5h)
> Support side inputs injected into a DoFn
> ----------------------------------------
>
> Key: BEAM-6858
> URL: https://issues.apache.org/jira/browse/BEAM-6858
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-core
> Reporter: Reuven Lax
> Assignee: Shehzaad Nakhoda
> Priority: Major
> Time Spent: 3h 40m
> Remaining Estimate: 0h
>
> Beam currently supports injecting main inputs into a DoFn process method. A
> user can write the following:
> @ProcessElement public void process(@Element InputT element)
> And Beam will (using ByteBuddy code generation) inject the input element into
> the process method.
> We would like to also support the same for side inputs. For example:
> @ProcessElement public void process(@Element InputT element,
> @SideInput("tag1") String input1, @SideInput("tag2") Integer input2)
> This requires the existing process-method analysis framework to capture these
> side inputs. The ParDo code would have to verify the type of the side input
> and include them in the list of side inputs. This would also eliminate the
> need for the user to explicitly call withSideInputs on the ParDo.
>
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