Object

akka.kafka

ConsumerMessage

Related Doc: package kafka

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object ConsumerMessage

Classes that are used in both javadsl.Consumer and scaladsl.Consumer.

Source
ConsumerMessage.scala
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Type Members

  1. trait Committable extends AnyRef

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    Carries offsets from Kafka for aggregation and committing by the scaladsl.Committer or javadsl.Committer.

    Carries offsets from Kafka for aggregation and committing by the scaladsl.Committer or javadsl.Committer.

    Committable may be a single offset in CommittableOffset or CommittableOffsetMetadata, or a number of offsets aggregated as CommittableOffsetBatch.

    Annotations
    @DoNotInherit()

  2. final case class CommittableMessage[K, V](record: ConsumerRecord[K, V], committableOffset: CommittableOffset) extends Product with Serializable

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    Output element of committableSource.

    Output element of committableSource. The offset can be committed via the included CommittableOffset.

  3. sealed trait CommittableOffset extends Committable

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    Included in CommittableMessage.

    Included in CommittableMessage. Makes it possible to commit an offset with the Committable#commitScaladsl / Committable#commitJavadsl method or aggregate several offsets in a batch before committing.

    Note that the offset position that is committed to Kafka will automatically be one more than the offset of the message, because the committed offset should be the next message your application will consume, i.e. lastProcessedMessageOffset + 1.

    Annotations
    @DoNotInherit()

  4. trait CommittableOffsetBatch extends Committable

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    For improved efficiency it is good to aggregate several CommittableOffset, using this class, before committing them.

    For improved efficiency it is good to aggregate several CommittableOffset, using this class, before committing them. Start with the empty batch.

    Annotations
    @DoNotInherit()

  5. trait CommittableOffsetMetadata extends CommittableOffset

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    @DoNotInherit()

  6. final case class GroupTopicPartition(groupId: String, topic: String, partition: Int) extends Product with Serializable

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    groupId, topic, partition key for an offset position.

  7. sealed class PartitionOffset extends Product2[GroupTopicPartition, Long] with Serializable

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    Offset position for a groupId, topic, partition.

  8. final case class PartitionOffsetMetadata(key: GroupTopicPartition, offset: Long, metadata: String) extends Product with Serializable

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    Offset position and metadata for a groupId, topic, partition.

  9. final case class TransactionalMessage[K, V](record: ConsumerRecord[K, V], partitionOffset: PartitionOffset) extends Product with Serializable

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    Output element of transactionalSource.

    Output element of transactionalSource. The offset is automatically committed as by the Producer

Value Members

  1. final def !=(arg0: Any): Boolean

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  2. final def ##(): Int

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  3. final def ==(arg0: Any): Boolean

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  4. object CommittableOffsetBatch

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  5. object PartitionOffset extends AbstractFunction2[GroupTopicPartition, Long, PartitionOffset] with Serializable

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  6. final def asInstanceOf[T0]: T0

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  7. def clone(): AnyRef

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  8. def createCommittableOffsetBatch(offsets: List[CommittableOffset]): CommittableOffsetBatch

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    Java API: Create an offset batch out of a list of offsets.

  9. def createCommittableOffsetBatch(first: CommittableOffset): CommittableOffsetBatch

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    Java API: Create an offset batch out of a first offsets.

  10. val emptyCommittableOffsetBatch: CommittableOffsetBatch

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  11. final def eq(arg0: AnyRef): Boolean

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  12. def equals(arg0: Any): Boolean

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  13. def finalize(): Unit

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  14. final def getClass(): Class[_]

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  15. def hashCode(): Int

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  16. final def isInstanceOf[T0]: Boolean

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  17. final def ne(arg0: AnyRef): Boolean

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  18. final def notify(): Unit

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  19. final def notifyAll(): Unit

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  20. final def synchronized[T0](arg0: ⇒ T0): T0

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  21. def toString(): String

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  22. final def wait(): Unit

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  23. final def wait(arg0: Long, arg1: Int): Unit

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  24. final def wait(arg0: Long): Unit

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