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com.lightbend.kafka.scala.iq.services

LocalStateStoreQuery

class LocalStateStoreQuery[K, V] extends LazyLogging

Abstraction that supports query from a local state store. The query supports retry semantics if invoked during Kafka Streams' rebalancing act when states may migrate across stores.

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Instance Constructors

  1. new LocalStateStoreQuery()

Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean
    Definition Classes
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  4. final val DelayBetweenRetries: FiniteDuration
  5. final val MaxRetryCount: Int(10)
  6. final def asInstanceOf[T0]: T0
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    Any
  7. def clone(): AnyRef
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    protected[java.lang]
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    @native() @throws( ... )
  8. final def eq(arg0: AnyRef): Boolean
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  9. def equals(arg0: Any): Boolean
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  10. def finalize(): Unit
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    protected[java.lang]
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    @throws( classOf[java.lang.Throwable] )
  11. final def getClass(): Class[_]
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    @native()
  12. def hashCode(): Int
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    @native()
  13. final def isInstanceOf[T0]: Boolean
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  14. lazy val logger: Logger
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    @volatile()
  15. final def ne(arg0: AnyRef): Boolean
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  16. final def notify(): Unit
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    @native()
  17. final def notifyAll(): Unit
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    @native()
  18. def queryStateStore(streams: KafkaStreams, store: String, key: K)(implicit ex: ExecutionContext, as: ActorSystem): Future[V]

    Query for a key

  19. def queryStateStoreForAll(streams: KafkaStreams, store: String)(implicit ex: ExecutionContext, as: ActorSystem): Future[List[(K, V)]]

    Query all

  20. def queryStateStoreForApproxNumEntries(streams: KafkaStreams, store: String)(implicit ex: ExecutionContext, as: ActorSystem): Future[Long]

    Query approximate num entries

  21. def queryStateStoreForRange(streams: KafkaStreams, store: String, fromKey: K, toKey: K)(implicit ex: ExecutionContext, as: ActorSystem): Future[List[(K, V)]]

    Query for a range of keys

  22. def queryWindowedStateStore(streams: KafkaStreams, store: String, key: K, fromTime: Long, toTime: Long)(implicit ex: ExecutionContext, as: ActorSystem): Future[List[(Long, V)]]

    Query for a window

  23. final def synchronized[T0](arg0: ⇒ T0): T0
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  24. def toString(): String
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  25. final def wait(): Unit
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    @throws( ... )
  26. final def wait(arg0: Long, arg1: Int): Unit
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    @throws( ... )
  27. final def wait(arg0: Long): Unit
    Definition Classes
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    @native() @throws( ... )

Inherited from LazyLogging

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