Uses of Class
org.apache.datasketches.sampling.ReservoirLongsSketch
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 ReservoirLongsSketch in org.apache.datasketches.sampling
Modifier and TypeMethodDescriptionReservoirLongsUnion.getResult()
Returns a sketch representing the current state of the union.static ReservoirLongsSketch
ReservoirLongsSketch.heapify
(org.apache.datasketches.memory.Memory srcMem) Returns a sketch instance of this class from the given srcMem, which must be a Memory representation of this sketch class.static ReservoirLongsSketch
ReservoirLongsSketch.newInstance
(int k) Construct a mergeable reservoir sampling sketch with up to k samples using the default resize factor (8).static ReservoirLongsSketch
ReservoirLongsSketch.newInstance
(int k, ResizeFactor rf) Construct a mergeable reservoir sampling sketch with up to k samples using the default resize factor (8).Modifier and TypeMethodDescriptionvoid
ReservoirLongsUnion.update
(ReservoirLongsSketch sketchIn) Union the given sketch.