org.apache.calcite.profile

Class ProfilerImpl.Collector

java.lang.Object

org.apache.calcite.profile.ProfilerImpl.Collector

Direct Known Subclasses:

ProfilerImpl.CompositeCollector, ProfilerImpl.HllCollector, ProfilerImpl.SingletonCollector

Enclosing class:

ProfilerImpl

abstract static class ProfilerImpl.Collector
extends Object

Collects values of a column or columns.

Field Summary

Fields

Modifier and Type	Field and Description
protected ProfilerImpl.Space	space

Constructor Summary

Constructors

Constructor and Description
Collector(ProfilerImpl.Space space)

Method Summary

Modifier and Type	Method and Description
(package private) abstract void	add(List<Comparable> row)
static ProfilerImpl.Collector	create(ProfilerImpl.Space space, int sketchThreshold) Creates an initial collector of the appropriate kind.
(package private) abstract void	finish()

Methods inherited from class java.lang.Object

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

Field Detail

space

protected final ProfilerImpl.Space space

Constructor Detail

Collector

Collector(ProfilerImpl.Space space)

Method Detail

add

abstract void add(List<Comparable> row)

finish

abstract void finish()

create

public static ProfilerImpl.Collector create(ProfilerImpl.Space space,
                                            int sketchThreshold)

Creates an initial collector of the appropriate kind.