[
https://issues.apache.org/jira/browse/BEAM-9616?focusedWorklogId=488962&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-488962
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ASF GitHub Bot logged work on BEAM-9616:
----------------------------------------
Author: ASF GitHub Bot
Created on: 23/Sep/20 04:23
Start Date: 23/Sep/20 04:23
Worklog Time Spent: 10m
Work Description: lostluck opened a new pull request #12903:
URL: https://github.com/apache/beam/pull/12903
Adds a beam.RegisterDoFn call for users to call on their DoFns instead of
individually calling RegisterFunction and RegisterType for all parameter types,
using reflection.
These registrations are important to ensure workers can process and lookup
types and functions correctly.
TODO in later PRs:
* Update starcgen to key off of RegisterDoFn calls for generating type
assertion shims.
* Make use of RegisterDoFn everywhere in the GoSDK and examples and document
it as a best practice.
------------------------
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Issue Time Tracking
-------------------
Worklog Id: (was: 488962)
Time Spent: 0.5h (was: 20m)
> [Go SDK] starcgen improvements
> ------------------------------
>
> Key: BEAM-9616
> URL: https://issues.apache.org/jira/browse/BEAM-9616
> Project: Beam
> Issue Type: Improvement
> Components: sdk-go
> Reporter: Robert Burke
> Assignee: Robert Burke
> Priority: P3
> Labels: golang
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> The starcgen code generator works OK, but could do with some improvements.
> * Uniquifying imports (handling multiple imports with same short suffix)
> * Generating multiple iterNatives (eg when the normal symbol is already
> taken).
> * Keying off of beam.Register* calls rather than command line.
> ** Avoids duplicating lists of identifiers, and improves default behavior.
> ** Possibly have a new beam.RegisterDoFn which can take a list of DoFn and
> struct types a function or a struct, and key off those, reducing boiler plate
> somewhat.
> * Perhaps having a specific single import alias package for components
> required for import, rather than the current 3-4.
> * Generate efficient Beam Schema coders for registered types?
> * Handle SplittableDoFns properly.
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