io.gearpump.streaming.task

Subscription

class Subscription extends AnyRef

This manage the output and message clock for single downstream processor

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Instance Constructors

  1. new Subscription(appId: Int, executorId: Int, taskId: TaskId, subscriber: Subscriber, sessionId: Int, transport: ExpressTransport, maxPendingMessageCount: Int = ..., ackOnceEveryMessageCount: Int = ...)

    subscriber

    downstream processor

    maxPendingMessageCount

    trigger flow control. Should be bigger than maxPendingMessageCountPerAckRequest

    ackOnceEveryMessageCount

    send on AckRequest to the target

Value Members

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

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

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  3. final def ##(): Int

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  4. final def ==(arg0: AnyRef): Boolean

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

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  6. val LOG: Logger

  7. def allowSendingMoreMessages(): Boolean

  8. final def asInstanceOf[T0]: T0

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  9. def changeLife(life: LifeTime): Unit

  10. def clone(): AnyRef

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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. def minClock: TimeStamp

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

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  19. final def notify(): Unit

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  20. final def notifyAll(): Unit

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  21. val partitioner: Partitioner

  22. def receiveAck(ack: Ack): Unit

    Handle acknowledge message.

    Handle acknowledge message. Throw MessageLossException if required.

    ack

    acknowledge message received

  23. val sendFn: (Message) ⇒ Int

  24. def sendMessage(msg: Message, partition: Int): Int

    Return how many message is actually sent by this subscription

    Return how many message is actually sent by this subscription

    msg

    the message to send

    partition

    the target partition to send message to

    returns

    1 if success

  25. def sendMessage(msg: Message): Int

  26. def start: Unit

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

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  28. def toString(): String

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  29. final def wait(): Unit

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

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

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