Uses of Class
org.apache.datasketches.common.ArrayOfItemsSerDe

Packages that use ArrayOfItemsSerDe

Package	Description
org.apache.datasketches.common	This package is for common classes that may be used across all the sketch families.
org.apache.datasketches.frequencies	This package contains the implementations of the paper https://arxiv.org/abs/1705.07001.
org.apache.datasketches.kll	This package is for the implementations of the sketch algorithm developed by Zohar Karnin, Kevin Lang, and Edo Liberty that is commonly referred to as the "KLL" sketch after the authors' last names.
org.apache.datasketches.quantiles	The quantiles package contains stochastic streaming algorithms that enable single-pass analysis of the distribution of a stream of quantiles.
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.

Uses of ArrayOfItemsSerDe in org.apache.datasketches.common

Subclasses of ArrayOfItemsSerDe in org.apache.datasketches.common

Modifier and Type	Class	Description
class	ArrayOfBooleansSerDe	Methods of serializing and deserializing arrays of Boolean as a bit array.
class	ArrayOfDoublesSerDe	Methods of serializing and deserializing arrays of Double.
class	ArrayOfLongsSerDe	Methods of serializing and deserializing arrays of Long.
class	ArrayOfNumbersSerDe	Methods of serializing and deserializing arrays of the object version of primitive types of Number.
class	ArrayOfStringsSerDe	Methods of serializing and deserializing arrays of String.
class	ArrayOfUtf16StringsSerDe	Methods of serializing and deserializing arrays of String.

Uses of ArrayOfItemsSerDe in org.apache.datasketches.frequencies

Methods in org.apache.datasketches.frequencies with parameters of type ArrayOfItemsSerDe

Modifier and Type	Method	Description
static <T> FrequentItemsSketch<T>	FrequentItemsSketch.getInstance(MemorySegment srcSeg, ArrayOfItemsSerDe<T> serDe)	Returns a sketch instance of this class from the given srcSeg, which must be a MemorySegment representation of this sketch class.
byte[]	FrequentItemsSketch.toByteArray(ArrayOfItemsSerDe<T> serDe)	Returns a byte array representation of this sketch

Uses of ArrayOfItemsSerDe in org.apache.datasketches.kll

Methods in org.apache.datasketches.kll with parameters of type ArrayOfItemsSerDe

Modifier and Type	Method	Description
static <T> KllItemsSketch<T>	KllItemsSketch.heapify(MemorySegment srcSeg, Comparator<? super T> comparator, ArrayOfItemsSerDe<T> serDe)	Factory heapify takes a compact sketch image in MemorySegment and instantiates an on-heap sketch.
static <T> KllItemsSketch<T>	KllItemsSketch.newHeapInstance(int k, Comparator<? super T> comparator, ArrayOfItemsSerDe<T> serDe)	Create a new heap instance of this sketch with a given parameter k.
static <T> KllItemsSketch<T>	KllItemsSketch.newHeapInstance(Comparator<? super T> comparator, ArrayOfItemsSerDe<T> serDe)	Create a new heap instance of this sketch with the default k = 200.
static <T> KllItemsSketch<T>	KllItemsSketch.wrap(MemorySegment srcSeg, Comparator<? super T> comparator, ArrayOfItemsSerDe<T> serDe)	Constructs a thin wrapper on the heap around a MemorySegment (or MemorySegment) already initialized with a validated sketch image of a type T consistent with the given comparator and serDe.

Uses of ArrayOfItemsSerDe in org.apache.datasketches.quantiles

Methods in org.apache.datasketches.quantiles with parameters of type ArrayOfItemsSerDe

Modifier and Type	Method	Description
static <T> QuantilesItemsSketch<T>	QuantilesItemsSketch.heapify(Class<T> clazz, MemorySegment srcSeg, Comparator<? super T> comparator, ArrayOfItemsSerDe<T> serDe)	Heapifies the given srcSeg, which must be a MemorySegment image of a QuantilesItemsSketch.
static <T> QuantilesItemsUnion<T>	QuantilesItemsUnion.initializeWithMemorySegment(Class<T> clazz, MemorySegment srcSeg, Comparator<? super T> comparator, ArrayOfItemsSerDe<T> serDe)	Initialize a new QuantilesItemsUnion with a heapified instance of an QuantilesItemsSketch from a MemorySegment.
void	QuantilesItemsSketch.putIntoMemorySegment(MemorySegment dstSeg, ArrayOfItemsSerDe<T> serDe)	Puts the current sketch into the given MemorySegment if there is sufficient space.
byte[]	QuantilesItemsSketch.toByteArray(boolean ordered, ArrayOfItemsSerDe<T> serDe)	Serialize this sketch to a byte array form.
byte[]	QuantilesItemsSketch.toByteArray(ArrayOfItemsSerDe<T> serDe)	Serialize this sketch to a byte array form.
byte[]	QuantilesItemsUnion.toByteArray(ArrayOfItemsSerDe<T> serDe)	Serialize this union to a byte array.
void	QuantilesItemsUnion.union(MemorySegment srcSeg, ArrayOfItemsSerDe<T> serDe)	Iterative union operation, which means this method can be repeatedly called.

Uses of ArrayOfItemsSerDe in org.apache.datasketches.sampling

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

Modifier and Type	Method	Description
int	EbppsItemsSketch.getSerializedSizeBytes(ArrayOfItemsSerDe<? super T> serDe)	Returns the size of a byte array representation of this sketch.
int	EbppsItemsSketch.getSerializedSizeBytes(ArrayOfItemsSerDe<? super T> serDe, Class<?> clazz)	Returns the length of a byte array representation of this sketch.
static <T> EbppsItemsSketch<T>	EbppsItemsSketch.heapify(MemorySegment srcSeg, ArrayOfItemsSerDe<T> serDe)	Returns a sketch instance of this class from the given srcSeg, which must be a MemorySegment representation of this sketch class.
static <T> ReservoirItemsSketch<T>	ReservoirItemsSketch.heapify(MemorySegment srcSeg, ArrayOfItemsSerDe<T> serDe)	Returns a sketch instance of this class from the given srcSeg, which must be a MemorySegment representation of this sketch class.
static <T> ReservoirItemsUnion<T>	ReservoirItemsUnion.heapify(MemorySegment srcSeg, ArrayOfItemsSerDe<T> serDe)	Instantiates a Union from MemorySegment
static <T> VarOptItemsSketch<T>	VarOptItemsSketch.heapify(MemorySegment srcSeg, ArrayOfItemsSerDe<T> serDe)	Returns a sketch instance of this class from the given srcSeg, which must be a MemorySegment representation of this sketch class.
static <T> VarOptItemsUnion<T>	VarOptItemsUnion.heapify(MemorySegment srcSeg, ArrayOfItemsSerDe<T> serDe)	Instantiates a Union from MemorySegment
byte[]	EbppsItemsSketch.toByteArray(ArrayOfItemsSerDe<? super T> serDe)	Returns a byte array representation of this sketch.
byte[]	EbppsItemsSketch.toByteArray(ArrayOfItemsSerDe<? super T> serDe, Class<?> clazz)	Returns a byte array representation of this sketch.
byte[]	ReservoirItemsSketch.toByteArray(ArrayOfItemsSerDe<? super T> serDe)	Returns a byte array representation of this sketch.
byte[]	ReservoirItemsSketch.toByteArray(ArrayOfItemsSerDe<? super T> serDe, Class<?> clazz)	Returns a byte array representation of this sketch.
byte[]	ReservoirItemsUnion.toByteArray(ArrayOfItemsSerDe<T> serDe)	Returns a byte array representation of this union
byte[]	ReservoirItemsUnion.toByteArray(ArrayOfItemsSerDe<T> serDe, Class<?> clazz)	Returns a byte array representation of this union.
byte[]	VarOptItemsSketch.toByteArray(ArrayOfItemsSerDe<? super T> serDe)	Returns a byte array representation of this sketch.
byte[]	VarOptItemsSketch.toByteArray(ArrayOfItemsSerDe<? super T> serDe, Class<?> clazz)	Returns a byte array representation of this sketch.
byte[]	VarOptItemsUnion.toByteArray(ArrayOfItemsSerDe<T> serDe)	Returns a byte array representation of this union
byte[]	VarOptItemsUnion.toByteArray(ArrayOfItemsSerDe<T> serDe, Class<?> clazz)	Returns a byte array representation of this union.
void	ReservoirItemsUnion.update(MemorySegment seg, ArrayOfItemsSerDe<T> serDe)	Union the given MemorySegment image of the sketch.
void	VarOptItemsUnion.update(MemorySegment seg, ArrayOfItemsSerDe<T> serDe)	Union the given MemorySegment image of the sketch.