Guozhang Wang created KAFKA-3121:
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Summary: KStream DSL API Improvement
Key: KAFKA-3121
URL: https://issues.apache.org/jira/browse/KAFKA-3121
Project: Kafka
Issue Type: Sub-task
Reporter: Guozhang Wang
Assignee: Guozhang Wang
>From some collected feedbacks, here is a list of potential improvements that
>we want to make:
1. Remove AggregateSupplier for aggregate, and provide more built-in
aggregations.
2. Join to return KeyValue<>.
3. "Windows" class syntax-sugers.
4. Add print() to KTable / KStream.
5. flatMap / flatMapValues to return arrays in addition to Iterable.
6. make the API function names aligned with Java 8+, e.g. filterOut -> filterNot
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