Package org.apache.nifi.kafka.service.api.consumer

Interface KafkaConsumerService

All Superinterfaces:
AutoCloseable, Closeable
public interface KafkaConsumerService extends Closeable
Kafka Consumer Service must be closed to avoid leaking connection resources

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    commit(PollingSummary pollingSummary)
    Commit record information to Kafka Brokers
    List<PartitionState>
    getPartitionStates()
    Get Partition State information for subscription
    boolean
    isClosed()
     
    Iterable<ByteRecord>
    poll()
    Poll Subscriptions for Records
    void
    rollback()
    Rolls back the offsets of the records so that any records that have been polled since the last commit are re-polled

    Methods inherited from interface java.io.Closeable

    close

  • Method Details

    • commit

      void commit(PollingSummary pollingSummary)
      Commit record information to Kafka Brokers
      Parameters:
      pollingSummary - Polling Summary information to be committed

    • rollback

      void rollback()
      Rolls back the offsets of the records so that any records that have been polled since the last commit are re-polled

    • isClosed

      boolean isClosed()
      Returns:
      true if the service is closed; false otherwise

    • poll

      Iterable<ByteRecord> poll()
      Poll Subscriptions for Records
      Returns:
      Stream of Records or empty when none returned

    • getPartitionStates

      List<PartitionState> getPartitionStates()
      Get Partition State information for subscription
      Returns:
      List of Partition State information