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org.apache.spark

PartitionEvaluatorFactory

trait PartitionEvaluatorFactory[T, U] extends Serializable

A factory to create PartitionEvaluator. Spark serializes and sends PartitionEvaluatorFactory to executors, and then creates PartitionEvaluator via the factory at the executor side.

Annotations
@DeveloperApi() @Since("3.5.0")
Source
PartitionEvaluatorFactory.scala
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Serializable, AnyRef, Any
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  1. PartitionEvaluatorFactory
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Abstract Value Members

  1. abstract def createEvaluator(): PartitionEvaluator[T, U]

    Creates a partition evaluator.

    Creates a partition evaluator. Each RDD partition will create one evaluator instance, which means one evaluator instance will be used by only one thread.

Concrete Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##: Int
    Definition Classes
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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
    Attributes
    protected[lang]
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    Annotations
    @throws(classOf[java.lang.CloneNotSupportedException]) @IntrinsicCandidate() @native()
  6. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  7. def equals(arg0: AnyRef): Boolean
    Definition Classes
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  8. final def getClass(): Class[_ <: AnyRef]
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    @IntrinsicCandidate() @native()
  9. def hashCode(): Int
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    Annotations
    @IntrinsicCandidate() @native()
  10. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  11. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  12. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @IntrinsicCandidate() @native()
  13. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @IntrinsicCandidate() @native()
  14. final def synchronized[T0](arg0: => T0): T0
    Definition Classes
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  15. def toString(): String
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  16. final def wait(arg0: Long, arg1: Int): Unit
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    @throws(classOf[java.lang.InterruptedException])
  17. final def wait(arg0: Long): Unit
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    @throws(classOf[java.lang.InterruptedException]) @native()
  18. final def wait(): Unit
    Definition Classes
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    @throws(classOf[java.lang.InterruptedException])

Deprecated Value Members

  1. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
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    Annotations
    @throws(classOf[java.lang.Throwable]) @Deprecated
    Deprecated

    (Since version 9)

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