[jira] [Commented] (KAFKA-8666) Improve Documentation on usage of Materialized config object

["João Pedro Fonseca (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KAFKA-8666?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17881368#comment-17881368 ] 

João Pedro Fonseca commented on KAFKA-8666:
-------------------------------------------

Hi, [~mjsax]! Could I close this one?

> Improve Documentation on usage of Materialized config object
> ------------------------------------------------------------
>
>                 Key: KAFKA-8666
>                 URL: https://issues.apache.org/jira/browse/KAFKA-8666
>             Project: Kafka
>          Issue Type: Improvement
>          Components: documentation, streams
>            Reporter: Bill Bejeck
>            Assignee: João Pedro Fonseca
>            Priority: Major
>              Labels: newbie
>             Fix For: 4.0.0
>
>
> When using the Materialized object if the user wants to name the statestore with
> {code:java}
> Materialized.as("MyStoreName"){code}
> then subsequently provide the key and value serde the calls to do so must take the form of 
> {code:java}
> Materialized.as("MyStoreName").withKeySerde(keySerde).withValueSerde(valueSerde)
> {code}
> If users do the following 
> {code:java}
> Materialized.as("MyStoreName").with(keySerde, valueSerde)
> {code}
> the Materialized instance created by the "as(storeName)" call is replaced by a new Materialized instance resulting from the "with(...)" call and any configuration on the first Materialized instance is lost.



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