Trait

org.apache.gearpump.streaming.partitioner

UnicastPartitioner

Related Doc: package partitioner

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trait UnicastPartitioner extends Partitioner

For processor chain: A (3 tasks) -> B (3 tasks), UnicastPartitioner does ONE-task -> ONE-task mapping.

Linear Supertypes
Partitioner, Serializable, Serializable, AnyRef, Any
Known Subclasses
CoLocationPartitioner, GroupByPartitioner, HashPartitioner, ShuffleGroupingPartitioner, ShufflePartitioner
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  1. UnicastPartitioner
  2. Partitioner
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Abstract Value Members

  1. abstract def getPartition(msg: Message, partitionNum: Int, upstreamTaskIndex: Int): Int

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    Gets the SINGLE downstream processor task index to send message to.

    Gets the SINGLE downstream processor task index to send message to.

    msg

    Message you want to send

    partitionNum

    How many tasks does the downstream processor have.

    upstreamTaskIndex

    Upstream task's task index who trigger the getPartition() call.

    returns

    ONE task index of downstream processor.

Concrete Value Members

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

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    Definition Classes
    AnyRef → Any

  2. final def ##(): Int

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

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  4. final def asInstanceOf[T0]: T0

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  5. def clone(): AnyRef

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    Attributes
    protected[java.lang]
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    @throws( ... )

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

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  7. def equals(arg0: Any): Boolean

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  8. def finalize(): Unit

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    protected[java.lang]
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    @throws( classOf[java.lang.Throwable] )

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

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  10. def getPartition(msg: Message, partitionNum: Int): Int

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  11. def hashCode(): Int

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  12. final def isInstanceOf[T0]: Boolean

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

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  14. final def notify(): Unit

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  15. final def notifyAll(): Unit

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

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  17. def toString(): String

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  18. final def wait(): Unit

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    @throws( ... )

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

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    @throws( ... )

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

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Inherited from Partitioner

Inherited from Serializable

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

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