abstract class TransactionalKafkaProducer[F[_], K, V] extends AnyRef

Represents a producer of Kafka records specialized for 'read-process-write' streams, with the ability to atomically produce ProducerRecords and commit corresponding CommittableOffsets using produce.

Records are wrapped in TransactionalProducerRecords which allow an arbitrary passthrough value to be included in the result.

Source
TransactionalKafkaProducer.scala
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  1. new TransactionalKafkaProducer()

Abstract Value Members

  1. abstract def produce[P](records: TransactionalProducerRecords[F, P, K, V]): F[ProducerResult[P, K, V]]

    Produces the ProducerRecords in the specified TransactionalProducerRecords in four steps: first a transaction is initialized, then the records are placed in the buffer of the producer, then the offsets of the records are sent to the transaction, and lastly the transaction is committed.

    Produces the ProducerRecords in the specified TransactionalProducerRecords in four steps: first a transaction is initialized, then the records are placed in the buffer of the producer, then the offsets of the records are sent to the transaction, and lastly the transaction is committed. If errors or cancellation occurs, the transaction is aborted. The returned effect succeeds if the whole transaction completes successfully.

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