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https://issues.apache.org/jira/browse/KAFKA-19833?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lan Ding updated KAFKA-19833:
-----------------------------
    Summary: Reduce code duplication in nullable protocol types  (was: Refactor 
Nullable Types to Use a Unified Pattern)

> Reduce code duplication in nullable protocol types
> --------------------------------------------------
>
>                 Key: KAFKA-19833
>                 URL: https://issues.apache.org/jira/browse/KAFKA-19833
>             Project: Kafka
>          Issue Type: Improvement
>          Components: clients
>            Reporter: Lan Ding
>            Assignee: Lan Ding
>            Priority: Major
>
> see [https://github.com/apache/kafka/pull/20614#pullrequestreview-3379156676]
> Regarding the implementation of the nullable vs non-nullable types. We use 3 
> different approaches.
>  # For bytes, we implement two independent classes BYTES and NULLABLE_BYTES.
>  # For array, we use one class ArraryOf, which takes a nullable param.
>  # For schema, we implement NULLABLE_SCHEMA as a subclass of SCHEMA.
> We need  to pick one approach to implement all nullable types in a consistent 
> way.



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