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trait Control extends AnyRef

Materialized value of the consumer Source.

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  1. abstract def drainAndShutdown[T](streamCompletion: CompletionStage[T], ec: Executor): CompletionStage[T]

    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.

    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.

  2. abstract def getMetrics: CompletionStage[Map[MetricName, Metric]]

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

  3. abstract def isShutdown: CompletionStage[Done]

    Shutdown status.

    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.

  4. abstract def shutdown(): CompletionStage[Done]

    Shutdown the consumer Source.

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

  5. abstract def stop(): CompletionStage[Done]

    Stop producing messages from the Source.

    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

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