com.yahoo.bullet.querying.aggregations

Class QuantileSketchingStrategy

java.lang.Object

com.yahoo.bullet.querying.aggregations.SketchingStrategy<QuantileSketch>

com.yahoo.bullet.querying.aggregations.QuantileSketchingStrategy

All Implemented Interfaces:

Closable, Monoidal, Strategy

public class QuantileSketchingStrategy
extends SketchingStrategy<QuantileSketch>

This Strategy uses QuantileSketch to find distributions of a numeric field. Based on the size configured for the sketch, the normalized rank error can be determined and tightly bound.

Field Summary

Fields inherited from class com.yahoo.bullet.querying.aggregations.SketchingStrategy

fields, metadataKeys, separator, sketch

Constructor Summary

Constructors

Constructor and Description
QuantileSketchingStrategy(Distribution aggregation, BulletConfig config) Constructor that requires an Aggregation and a BulletConfig configuration.

Method Summary

Modifier and Type	Method and Description
void	consume(com.yahoo.bullet.record.BulletRecord data) Consumes a single BulletRecord into this Monoid.

Methods inherited from class com.yahoo.bullet.querying.aggregations.SketchingStrategy

combine, getData, getMetadata, getRecords, getResult, reset

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.yahoo.bullet.querying.aggregations.Strategy

isClosed

Methods inherited from interface com.yahoo.bullet.common.Monoidal

merge

Constructor Detail

QuantileSketchingStrategy

public QuantileSketchingStrategy(Distribution aggregation,
                                 BulletConfig config)

Constructor that requires an Aggregation and a BulletConfig configuration.

Parameters:

aggregation - An Aggregation with valid fields and attributes for this aggregation type.

config - The config that has relevant configs for this strategy.

Method Detail

consume

public void consume(com.yahoo.bullet.record.BulletRecord data)

Description copied from interface: Monoidal

Consumes a single BulletRecord into this Monoid.

Parameters:

data - The BulletRecord to consume.