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Posted to dev@flink.apache.org by "Galen Warren (Jira)" <ji...@apache.org> on 2022/02/23 16:09:00 UTC

[jira] [Created] (FLINK-26340) Add ability in Golang SDK to create new statefun.Context from existing one, but with a new underlying context.Context

Galen Warren created FLINK-26340:
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             Summary: Add ability in Golang SDK to create new statefun.Context from existing one, but with a new underlying context.Context
                 Key: FLINK-26340
                 URL: https://issues.apache.org/jira/browse/FLINK-26340
             Project: Flink
          Issue Type: Improvement
          Components: Stateful Functions
    Affects Versions: statefun-3.3.0
            Reporter: Galen Warren


In the Golang SDK, statefun.Context embeds the context.Context interface and is implemented by the statefunContext struct, which embeds a context.Context. To support common patterns in Golang related to adding values to context, it would be useful to be able to create a derived statefun.Context that is equivalent to the original in terms of statefun functionality but which wraps a different context.Context.

The proposal is to add a:

WithContext(ctx context.Context) statefun.Context

... method to the statefun.Context interface and implement it on statefunContext. This method would return the derived statefun context.

This is a breaking change to statefun.Context, but, given its purpose, we do not expect there to be implementations of this interface outside the Golang SDK. 

 



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