parquet.column.statistics

Class FloatStatistics

java.lang.Object

parquet.column.statistics.Statistics<Float>

parquet.column.statistics.FloatStatistics

public class FloatStatistics
extends Statistics<Float>

Constructor Summary

Constructors

Constructor and Description
FloatStatistics()

Method Summary

Methods

Modifier and Type	Method and Description
Float	genericGetMax()
Float	genericGetMin()
float	getMax()
byte[]	getMaxBytes() Abstract method to return the max value as a byte array
float	getMin()
byte[]	getMinBytes() Abstract method to return the min value as a byte array
void	initializeStats(float min_value, float max_value)
void	mergeStatisticsMinMax(Statistics stats) Abstract method to merge this statistics min and max with the values of the parameter object.
void	setMinMax(float min, float max)
void	setMinMaxFromBytes(byte[] minBytes, byte[] maxBytes) Abstract method to set min and max values from byte arrays.
String	toString() toString() to display min, max, num_nulls in a string
void	updateStats(float value) updates statistics min and max using the passed value
void	updateStats(float min_value, float max_value)

Methods inherited from class parquet.column.statistics.Statistics

equals, getNumNulls, getStatsBasedOnType, hashCode, incrementNumNulls, incrementNumNulls, isEmpty, markAsNotEmpty, mergeStatistics, setNumNulls, updateStats, updateStats, updateStats, updateStats, updateStats

Methods inherited from class java.lang.Object

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

Constructor Detail

FloatStatistics

public FloatStatistics()

Method Detail

updateStats

public void updateStats(float value)

Description copied from class: Statistics

updates statistics min and max using the passed value

Overrides:

updateStats in class Statistics<Float>

Parameters:

value - value to use to update min and max

mergeStatisticsMinMax

public void mergeStatisticsMinMax(Statistics stats)

Description copied from class: Statistics

Abstract method to merge this statistics min and max with the values of the parameter object. Does not do any checks, only called internally.

Specified by:

mergeStatisticsMinMax in class Statistics<Float>

Parameters:

stats - Statistics object to merge with

setMinMaxFromBytes

public void setMinMaxFromBytes(byte[] minBytes,
                      byte[] maxBytes)

Description copied from class: Statistics

Abstract method to set min and max values from byte arrays.

Specified by:

setMinMaxFromBytes in class Statistics<Float>

Parameters:

minBytes - byte array to set the min value to

maxBytes - byte array to set the max value to

getMaxBytes

public byte[] getMaxBytes()

Description copied from class: Statistics

Abstract method to return the max value as a byte array

Specified by:

getMaxBytes in class Statistics<Float>

Returns:

byte array corresponding to the max value

getMinBytes

public byte[] getMinBytes()

Description copied from class: Statistics

Abstract method to return the min value as a byte array

Specified by:

getMinBytes in class Statistics<Float>

Returns:

byte array corresponding to the min value

toString

public String toString()

Description copied from class: Statistics

toString() to display min, max, num_nulls in a string

Specified by:

toString in class Statistics<Float>

updateStats

public void updateStats(float min_value,
               float max_value)

initializeStats

public void initializeStats(float min_value,
                   float max_value)

genericGetMin

public Float genericGetMin()

Specified by:

genericGetMin in class Statistics<Float>

genericGetMax

public Float genericGetMax()

Specified by:

genericGetMax in class Statistics<Float>

getMax

public float getMax()

getMin

public float getMin()

setMinMax

public void setMinMax(float min,
             float max)