Object

org.apache.spark.AccumulatorParam

DoubleAccumulatorParam

Related Doc: package AccumulatorParam

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implicit object DoubleAccumulatorParam extends AccumulatorParam[Double]

Annotations
@deprecated
Deprecated

(Since version 2.0.0) use AccumulatorV2

Source
Accumulator.scala
Linear Supertypes
AccumulatorParam[Double], AccumulableParam[Double, Double], Serializable, AnyRef, Any
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Inherited
  1. DoubleAccumulatorParam
  2. AccumulatorParam
  3. AccumulableParam
  4. Serializable
  5. AnyRef
  6. Any
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Visibility
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Value Members

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

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    AnyRef → Any
  2. final def ##(): Int

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

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    AnyRef → Any
  4. def addAccumulator(t1: Double, t2: Double): Double

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    Add additional data to the accumulator value.

    Add additional data to the accumulator value. Is allowed to modify and return r for efficiency (to avoid allocating objects).

    returns

    the new value of the accumulator

    Definition Classes
    AccumulatorParamAccumulableParam
  5. def addInPlace(t1: Double, t2: Double): Double

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    Merge two accumulated values together.

    Merge two accumulated values together. Is allowed to modify and return the first value for efficiency (to avoid allocating objects).

    returns

    both data sets merged together

    Definition Classes
    DoubleAccumulatorParamAccumulableParam
  6. final def asInstanceOf[T0]: T0

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    Any
  7. def clone(): AnyRef

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    Attributes
    protected[java.lang]
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    AnyRef
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    @throws( ... )
  8. final def eq(arg0: AnyRef): Boolean

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    AnyRef
  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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    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  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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    Any
  14. final def ne(arg0: AnyRef): Boolean

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    AnyRef
  15. final def notify(): Unit

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    AnyRef
  16. final def notifyAll(): Unit

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

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  18. def toString(): String

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  19. final def wait(): Unit

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    @throws( ... )
  20. final def wait(arg0: Long, arg1: Int): Unit

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    @throws( ... )
  21. final def wait(arg0: Long): Unit

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  22. def zero(initialValue: Double): Double

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    Return the "zero" (identity) value for an accumulator type, given its initial value.

    Return the "zero" (identity) value for an accumulator type, given its initial value. For example, if R was a vector of N dimensions, this would return a vector of N zeroes.

    Definition Classes
    DoubleAccumulatorParamAccumulableParam

Inherited from AccumulatorParam[Double]

Inherited from AccumulableParam[Double, Double]

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

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