com.twitter.algebird

HLL

sealed abstract class HLL extends Serializable

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Instance Constructors

  1. new HLL()

Abstract Value Members

  1. abstract def +(other: HLL): HLL

  2. abstract def bits: Int

  3. abstract def downsize(reducedBits: Int, reducedSize: Int, bitMask: Int, buf: Array[Byte]): HLL

    Returns a new HLL instance with reduced size

    Returns a new HLL instance with reduced size

    reducedBits

    The new number of bits to use (for the length of j)

    reducedSize

    New size (passed in to avoid repeated computation)

    bitMask

    Mask to force early termination of HyperLogLog.rhoW (passed in to avoid repeated computation)

    buf

    Byte array (passed in to avoid repeated allocation)

    returns

    New HLL instance with reduced size

    Attributes
    protected
  4. abstract def size: Int

  5. abstract def toDenseHLL: DenseHLL

  6. abstract def updateInto(buffer: Array[Byte]): Unit

    Set each item in the given buffer to the max of this and the buffer

  7. abstract def z: Double

  8. abstract def zeroCnt: Int

Concrete Value Members

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

    Definition Classes
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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

    Definition Classes
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  6. def approximateSize: Approximate[Long]

  7. final def asInstanceOf[T0]: T0

    Definition Classes
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  8. def clone(): AnyRef

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  9. def downsize(reducedBits: Int): HLL

    Returns a new HLL instance with reduced size

    reducedBits

    The new number of bits to use

    returns

    New HLL instance with reduced size

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

    Definition Classes
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  11. def equals(arg0: Any): Boolean

    Definition Classes
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  12. def estimatedSize: Double

  13. def finalize(): Unit

    Attributes
    protected[java.lang]
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    @throws( classOf[java.lang.Throwable] )
  14. final def getClass(): Class[_]

    Definition Classes
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  15. def getModifiedRhoW(currentJ: Int, currentRhoW: Byte, reducedBits: Int, reducedSize: Int, bitMask: Int, buf: Array[Byte]): Byte

    Returns the modified value of rhoW at j, taking into account the extra run of bits added to rho due to reduction in the length of j.

    Returns the modified value of rhoW at j, taking into account the extra run of bits added to rho due to reduction in the length of j.

    currentJ

    j for which modified rhoW is needed

    currentRhoW

    Current rhoW value for j

    reducedBits

    New length of j

    reducedSize

    New size (passed in to avoid repeated computation)

    bitMask

    Mask to force early termination of HyperLogLog.rhoW (passed in to avoid repeated computation)

    buf

    Byte array (passed in to avoid repeated allocation)

    returns

    New value of rhoW

    Attributes
    protected
  16. def hashCode(): Int

    Definition Classes
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  17. final def isInstanceOf[T0]: Boolean

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

    Definition Classes
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  19. final def notify(): Unit

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  20. final def notifyAll(): Unit

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

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  22. def toString(): String

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  23. final def wait(): Unit

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

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

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