Uses of Class
org.apache.datasketches.sampling.ReservoirItemsSketch

Packages that use ReservoirItemsSketch

Package	Description
org.apache.datasketches.sampling	This package is dedicated to streaming algorithms that enable fixed size, uniform sampling of unweighted items from a stream.

Uses of ReservoirItemsSketch in org.apache.datasketches.sampling

Methods in org.apache.datasketches.sampling that return ReservoirItemsSketch

Modifier and Type	Method	Description
ReservoirItemsSketch<T>	ReservoirItemsUnion.getResult()	Returns a sketch representing the current state of the union.
static <T> ReservoirItemsSketch<T>	ReservoirItemsSketch.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> ReservoirItemsSketch<T>	ReservoirItemsSketch.newInstance(int k)	Construct a mergeable sampling sketch with up to k samples using the default resize factor (8).
static <T> ReservoirItemsSketch<T>	ReservoirItemsSketch.newInstance(int k, ResizeFactor rf)	Construct a mergeable sampling sketch with up to k samples using a specified resize factor.

Methods in org.apache.datasketches.sampling with parameters of type ReservoirItemsSketch

Modifier and Type	Method	Description
void	ReservoirItemsUnion.update(ReservoirItemsSketch<T> sketchIn)	Union the given sketch.
void	VarOptItemsUnion.update(ReservoirItemsSketch<T> reservoirIn)	Union a reservoir sketch.