Uses of Class
org.apache.datasketches.hll.HllSketch

Packages that use HllSketch 
Package Description
org.apache.datasketches.hll
The hll package contains a high performance implementation of Phillipe Flajolet's HLL sketch with significantly improved error behavior.
  • Uses of HllSketch in org.apache.datasketches.hll

    Methods in org.apache.datasketches.hll that return HllSketch 
    Modifier and Type Method Description
    HllSketch HllSketch.copy()
    Return a copy of this sketch onto the Java heap.
    HllSketch HllSketch.copyAs​(TgtHllType tgtHllType)
    Return a deep copy of this sketch onto the Java heap with the specified TgtHllType.
    HllSketch Union.getResult()
    Return the result of this union operator as an HLL_4 sketch.
    HllSketch Union.getResult​(TgtHllType tgtHllType)
    Return the result of this union operator with the specified TgtHllType
    static HllSketch HllSketch.heapify​(byte[] byteArray)
    Heapify the given byte array, which must be a valid HllSketch image and may have data.
    static HllSketch HllSketch.heapify​(org.apache.datasketches.memory.Memory srcMem)
    Heapify the given Memory, which must be a valid HllSketch image and may have data.
    static HllSketch HllSketch.wrap​(org.apache.datasketches.memory.Memory srcMem)
    Wraps the given read-only Memory that must be a image of a valid sketch, which may be in compact or updatable form, and should have data.
    static HllSketch HllSketch.writableWrap​(org.apache.datasketches.memory.WritableMemory srcWmem)
    Wraps the given WritableMemory, which must be a image of a valid updatable sketch, and may have data.
    Methods in org.apache.datasketches.hll with parameters of type HllSketch 
    Modifier and Type Method Description
    void Union.update​(HllSketch sketch)
    Update this union operator with the given sketch.