Package org.apache.pinot.segment.local.customobject

Class CovarianceTuple

java.lang.Object

org.apache.pinot.segment.local.customobject.CovarianceTuple

All Implemented Interfaces:

Comparable<CovarianceTuple>

public class CovarianceTuple
extends Object
implements Comparable<CovarianceTuple>

Intermediate state used by CovarianceAggregationFunction which helps calculate population covariance and sample covariance

Constructor Summary

Constructors

Constructor	Description
CovarianceTuple(double sumX, double sumY, double sumXY, long count)

Method Summary

Modifier and Type	Method	Description
void	apply(double sumX, double sumY, double sumXY, long count)
void	apply(CovarianceTuple covarianceTuple)
int	compareTo(CovarianceTuple covarianceTuple)
static CovarianceTuple	fromByteBuffer(ByteBuffer byteBuffer)
static CovarianceTuple	fromBytes(byte[] bytes)
long	getCount()
double	getSumX()
double	getSumXY()
double	getSumY()
byte[]	toBytes()

Methods inherited from class java.lang.Object

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

Constructor Detail

CovarianceTuple

public CovarianceTuple(double sumX,
                       double sumY,
                       double sumXY,
                       long count)

Method Detail

apply

public void apply(double sumX,
                  double sumY,
                  double sumXY,
                  long count)

apply

public void apply(@Nonnull
                  CovarianceTuple covarianceTuple)

getSumX

public double getSumX()

getSumY

public double getSumY()

getSumXY

public double getSumXY()

getCount

public long getCount()

toBytes

@Nonnull
public byte[] toBytes()

fromBytes

@Nonnull
public static CovarianceTuple fromBytes(byte[] bytes)

fromByteBuffer

@Nonnull
public static CovarianceTuple fromByteBuffer(ByteBuffer byteBuffer)

compareTo

public int compareTo(@Nonnull
                     CovarianceTuple covarianceTuple)

Specified by:

compareTo in interface Comparable<CovarianceTuple>