Class

com.twitter.algebird

HLL

Related Doc: package algebird

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sealed abstract class HLL extends Serializable

Source
HyperLogLog.scala
Linear Supertypes
Serializable, AnyRef, Any
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Abstract Value Members

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

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  2. abstract def bits: Int

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

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    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

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  5. abstract def toDenseHLL: DenseHLL

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

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

  7. abstract def z: Double

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  8. abstract def zeroCnt: Int

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Concrete Value Members

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

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    Definition Classes
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  2. final def ##(): Int

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

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  4. def approximateSize: Approximate[Long]

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  5. final def asInstanceOf[T0]: T0

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  6. def clone(): AnyRef

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    Attributes
    protected[java.lang]
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    Annotations
    @throws( ... )
  7. def downsize(reducedBits: Int): HLL

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    Returns a new HLL instance with reduced size

    reducedBits

    The new number of bits to use

    returns

    New HLL instance with reduced size

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

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

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  10. def estimatedSize: Double

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  11. def finalize(): Unit

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

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

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    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
  14. def hashCode(): Int

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  15. final def isInstanceOf[T0]: Boolean

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

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  17. final def notify(): Unit

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  18. final def notifyAll(): Unit

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

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  20. def toString(): String

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  21. final def wait(): Unit

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

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

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