Class

com.lightbend.kafka.scala.iq.services

LocalStateStoreQuery

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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()

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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. final val DelayBetweenRetries: FiniteDuration

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  5. final val MaxRetryCount: Int(10)

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  6. final def asInstanceOf[T0]: T0

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  7. def clone(): AnyRef

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

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  12. def hashCode(): Int

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  13. final def isInstanceOf[T0]: Boolean

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  14. lazy val logger: Logger

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

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  16. final def notify(): Unit

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  17. final def notifyAll(): Unit

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  18. def queryStateStore(streams: KafkaStreams, store: String, key: K)(implicit ex: ExecutionContext, as: ActorSystem): Future[V]

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    Query for a key

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

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    Query all

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

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    Query approximate num entries

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

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    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)]]

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

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

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Inherited from LazyLogging

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