io.druid.query.aggregation.histogram

Class ApproximateHistogramAggregator

java.lang.Object

io.druid.query.aggregation.histogram.ApproximateHistogramAggregator

All Implemented Interfaces:

Aggregator

public class ApproximateHistogramAggregator
extends Object
implements Aggregator

Field Summary

Fields

Modifier and Type	Field and Description
static Comparator	COMPARATOR

Constructor Summary

Constructors

Constructor and Description
ApproximateHistogramAggregator(String name, FloatColumnSelector selector, int resolution, float lowerLimit, float upperLimit)

Method Summary

Methods

Modifier and Type	Method and Description
void	aggregate()
void	close()
Object	get()
float	getFloat()
String	getName()
void	reset()

Methods inherited from class java.lang.Object

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

Field Detail

COMPARATOR

public static final Comparator COMPARATOR

Constructor Detail

ApproximateHistogramAggregator

public ApproximateHistogramAggregator(String name,
                              FloatColumnSelector selector,
                              int resolution,
                              float lowerLimit,
                              float upperLimit)

Method Detail

aggregate

public void aggregate()

Specified by:

aggregate in interface Aggregator

reset

public void reset()

Specified by:

reset in interface Aggregator

get

public Object get()

Specified by:

get in interface Aggregator

getFloat

public float getFloat()

Specified by:

getFloat in interface Aggregator

getName

public String getName()

Specified by:

getName in interface Aggregator

close

public void close()

Specified by:

close in interface Aggregator