Package com.yahoo.searchlib.aggregation.hll

Class SparseSketch

java.lang.Object

com.yahoo.vespa.objects.Selectable

com.yahoo.vespa.objects.Identifiable

com.yahoo.searchlib.aggregation.hll.Sketch<SparseSketch>

com.yahoo.searchlib.aggregation.hll.SparseSketch

All Implemented Interfaces:

Cloneable

public class SparseSketch
extends Sketch<SparseSketch>

Field Summary

Fields

Modifier and Type	Field	Description
static int	classId

Constructor Summary

Constructors

Constructor	Description
SparseSketch()

Method Summary

Modifier and Type	Method	Description
void	aggregate(int hash)	Aggregates the hash value.
void	aggregate(Iterable<Integer> hashValues)	Aggregates the hash values.
HashSet<Integer>	data()
boolean	equals(Object o)
int	hashCode()
void	merge(SparseSketch other)	Merge content of other into 'this'.
protected void	onDeserialize(com.yahoo.vespa.objects.Deserializer buf)
protected int	onGetClassId()
protected void	onSerialize(com.yahoo.vespa.objects.Serializer buf)	Serializes the Sketch.
int	size()
String	toString()

Methods inherited from class com.yahoo.vespa.objects.Identifiable

clone, create, createFromId, deserialize, deserializeOptional, deserializeWithId, equals, getClassId, getRawUtf8Bytes, getUtf8, putUtf8, registerClass, serialize, serializeOptional, serializeWithId, visitMembers

Methods inherited from class com.yahoo.vespa.objects.Selectable

select, select, selectMembers

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

classId

public static final int classId

Constructor Detail

SparseSketch

public SparseSketch()

Method Detail

merge

public void merge(SparseSketch other)

Description copied from class: Sketch

Merge content of other into 'this'.

Specified by:

merge in class Sketch<SparseSketch>

Parameters:

other - Other sketch

aggregate

public void aggregate(Iterable<Integer> hashValues)

Aggregates the hash values.

Specified by:

aggregate in class Sketch<SparseSketch>

Parameters:

hashValues - Provides an iterator for the hash values

aggregate

public void aggregate(int hash)

Aggregates the hash value.

Specified by:

aggregate in class Sketch<SparseSketch>

Parameters:

hash - Hash value.

onSerialize

protected void onSerialize(com.yahoo.vespa.objects.Serializer buf)

Serializes the Sketch. Serialization format ================== Number of elements: 4 bytes Elements: N * 4 bytes

Overrides:

onSerialize in class com.yahoo.vespa.objects.Identifiable

Parameters:

buf - Serializer

onDeserialize

protected void onDeserialize(com.yahoo.vespa.objects.Deserializer buf)

Overrides:

onDeserialize in class com.yahoo.vespa.objects.Identifiable

onGetClassId

protected int onGetClassId()

Overrides:

onGetClassId in class com.yahoo.vespa.objects.Identifiable

data

public HashSet<Integer> data()

size

public int size()

equals

public boolean equals(Object o)

Overrides:

equals in class com.yahoo.vespa.objects.Identifiable

hashCode

public int hashCode()

Overrides:

hashCode in class com.yahoo.vespa.objects.Identifiable

toString

public String toString()

Overrides:

toString in class com.yahoo.vespa.objects.Identifiable