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Posted to jira@kafka.apache.org by "Matthias J. Sax (JIRA)" <ji...@apache.org> on 2019/03/11 04:34:00 UTC

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

Matthias J. Sax created KAFKA-8088:
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             Summary: 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


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



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