io.druid.query.aggregation.histogram

Class ApproximateHistogramFoldingAggregator

java.lang.Object

io.druid.query.aggregation.histogram.ApproximateHistogramFoldingAggregator

All Implemented Interfaces:

Aggregator

public class ApproximateHistogramFoldingAggregator
extends Object
implements Aggregator

Constructor Summary

Constructors

Constructor and Description
ApproximateHistogramFoldingAggregator(String name, ObjectColumnSelector<ApproximateHistogram> selector, int resolution, float lowerLimit, float upperLimit)

Method Summary

Methods

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

Methods inherited from class java.lang.Object

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

Constructor Detail

ApproximateHistogramFoldingAggregator

public ApproximateHistogramFoldingAggregator(String name,
                                     ObjectColumnSelector<ApproximateHistogram> 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

getLong

public long getLong()

Specified by:

getLong in interface Aggregator

getName

public String getName()

Specified by:

getName in interface Aggregator

close

public void close()

Specified by:

close in interface Aggregator