Lianet Magrans created KAFKA-15538:
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Summary: Resolve regex on client side when using java regex in new
consumer
Key: KAFKA-15538
URL: https://issues.apache.org/jira/browse/KAFKA-15538
Project: Kafka
Issue Type: Task
Components: clients, consumer
Reporter: Lianet Magrans
We need to resolve a java Pattern regex on the client side to send the broker a
list of topic names to subscribe to.
Context:
The new consumer group protocol uses [Google
RE2/J|https://github.com/google/re2j] for regular expressions and introduces
new methods in the consumer API to subscribe using a `SubscribePattern`. The
subscribe using a java `Pattern` will be still supported for a while but
eventually removed.
* When the subscribe with SubscriptionPattern is used, the client should just
send the regex to the broker and it will be resolved on the server side.
* In the case of the subscribe with Pattern, the regex should be resolved on
the client side.
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