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

Packages that use HllSketch
Package
Description
The DataSketches™ HLL sketch family package
  • Uses of HllSketch in org.apache.datasketches.hll

    Methods in org.apache.datasketches.hll that return HllSketch
    Modifier and Type
    Method
    Description
    HllSketch.copy()
    Return a copy of this sketch onto the Java heap.
    HllSketch.copyAs(TgtHllType tgtHllType)
    Return a deep copy of this sketch onto the Java heap with the specified TgtHllType.
    Union.getResult()
    Return the result of this union operator as an HLL_4 sketch.
    Union.getResult(TgtHllType tgtHllType)
    Return the result of this union operator with the specified TgtHllType
    static final HllSketch
    HllSketch.heapify(byte[] byteArray)
    Heapify the given byte array, which must be a valid HllSketch image and may have data.
    static final 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 final 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 final 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.