Control

Stop producing messages from the Source, wait for stream completion and shut down the consumer Source so that all consumed messages reach the end of the stream. Failures in stream completion will be propagated, the source will be shut down anyway.

Exposes underlying consumer or producer metrics (as reported by underlying Kafka client library)

Shutdown status. The CompletionStage will be completed when the stage has been shut down and the underlying KafkaConsumer has been closed. Shutdown can be triggered from downstream cancellation, errors, or shutdown.

Shutdown the consumer Source. It will wait for outstanding offset commit requests before shutting down.

Stop producing messages from the Source. This does not stop underlying kafka consumer and does not unsubscribe from any topics/partitions.

Call shutdown to close consumer