Uses of Class
org.apache.datasketches.sampling.VarOptItemsSketch
Package
Description
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
Modifier and TypeMethodDescriptionVarOptItemsUnion.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.Modifier and TypeMethodDescriptionvoid
VarOptItemsUnion.update
(VarOptItemsSketch<T> sketchIn) Union the given sketch.