azagrebin commented on a change in pull request #6615: [FLINK-8354] [flink-connectors] Add ability to access and provider Kafka headers URL: https://github.com/apache/flink/pull/6615#discussion_r255333491
########## File path: flink-connectors/flink-connector-kafka-base/src/main/java/org/apache/flink/streaming/util/serialization/KeyedSerializationSchema.java ########## @@ -55,4 +57,13 @@ * @return null or the target topic */ String getTargetTopic(T element); + + /** + * + * @param element The incoming element to be serialized + * @return collection of headers (maybe empty) + */ + default Iterable<Map.Entry<String, byte[]>> headers(T element) { Review comment: Yes, I would try with 2 adaptors and accept the migration risk. API w/o open method looks simpler. It can be extended later anyways if we discover use cases for it. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services