Uses of Class
org.apache.datasketches.sampling.VarOptItemsSketch
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Packages that use VarOptItemsSketch Package Description org.apache.datasketches.sampling This package is dedicated to streaming algorithms that enable fixed size, uniform sampling of weighted and unweighted items from a stream. -
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Uses of VarOptItemsSketch in org.apache.datasketches.sampling
Methods in org.apache.datasketches.sampling that return VarOptItemsSketch Modifier and Type Method Description VarOptItemsSketch<T>
VarOptItemsUnion. getResult()
Gets the varopt sketch resulting from the union of any input sketches.static <T> VarOptItemsSketch<T>
VarOptItemsSketch. heapify(org.apache.datasketches.memory.Memory srcMem, ArrayOfItemsSerDe<T> serDe)
Returns a sketch instance of this class from the given srcMem, which must be a Memory representation of this sketch class.static <T> VarOptItemsSketch<T>
VarOptItemsSketch. newInstance(int k)
Construct a varopt sampling sketch with up to k samples using the default resize factor (8).static <T> VarOptItemsSketch<T>
VarOptItemsSketch. newInstance(int k, ResizeFactor rf)
Construct a varopt sampling sketch with up to k samples using the specified resize factor.Methods in org.apache.datasketches.sampling with parameters of type VarOptItemsSketch Modifier and Type Method Description void
VarOptItemsUnion. update(VarOptItemsSketch<T> sketchIn)
Union the given sketch.
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