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Posted to jira@kafka.apache.org by "Matthias J. Sax (JIRA)" <ji...@apache.org> on 2019/03/11 04:57:00 UTC

[jira] [Updated] (KAFKA-8088) Deprecate `WindowStoreIterator` interface

     [ https://issues.apache.org/jira/browse/KAFKA-8088?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matthias J. Sax updated KAFKA-8088:
-----------------------------------
    Description: 
The `WindowStore` interface has multiple methods to fetch() data. However, the return types are mixed up. Two methods return `WindowStoreIterator` while all others return `KeyValueIterator`.

We should align the return types and replace `WindowStoreIterator` with `KeyValueIterator`. For backward compatibility reasons we can only deprecate the interface for now and remove it only later.

KIP-439: [https://cwiki.apache.org/confluence/display/KAFKA/KIP-439%3A+Deprecate+Interface+WindowStoreIterator]

  was:
The `WindowStore` interface has multiple methods to fetch() data. However, the return types are mixed up. Two methods return `WindowStoreIterator` while all others return `KeyValueIterator`.

We should align the return types and replace `WindowStoreIterator` with `KeyValueIterator`. For backward compatibility reasons we can only deprecate the interface for now and remove it only later


> Deprecate `WindowStoreIterator` interface
> -----------------------------------------
>
>                 Key: KAFKA-8088
>                 URL: https://issues.apache.org/jira/browse/KAFKA-8088
>             Project: Kafka
>          Issue Type: Improvement
>          Components: streams
>            Reporter: Matthias J. Sax
>            Assignee: Matthias J. Sax
>            Priority: Major
>              Labels: kip
>
> The `WindowStore` interface has multiple methods to fetch() data. However, the return types are mixed up. Two methods return `WindowStoreIterator` while all others return `KeyValueIterator`.
> We should align the return types and replace `WindowStoreIterator` with `KeyValueIterator`. For backward compatibility reasons we can only deprecate the interface for now and remove it only later.
> KIP-439: [https://cwiki.apache.org/confluence/display/KAFKA/KIP-439%3A+Deprecate+Interface+WindowStoreIterator]



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