Package org.apache.iotdb.tsfile.file.metadata.statistics

Class FloatStatistics

java.lang.Object

org.apache.iotdb.tsfile.file.metadata.statistics.Statistics<java.lang.Float>

org.apache.iotdb.tsfile.file.metadata.statistics.FloatStatistics

public class FloatStatistics
extends Statistics<java.lang.Float>

Statistics for float type.

Field Summary

Fields inherited from class org.apache.iotdb.tsfile.file.metadata.statistics.Statistics

isEmpty

Constructor Summary

Constructors

Constructor	Description
FloatStatistics()

Method Summary

Modifier and Type	Method	Description
long	calculateRamSize()
void	deserialize(java.io.InputStream inputStream)	deserialize data from the inputStream.
void	deserialize(java.nio.ByteBuffer byteBuffer)
boolean	equals(java.lang.Object o)
java.lang.Float	getFirstValue()
java.lang.Float	getLastValue()
java.lang.Float	getMaxValue()
java.lang.Float	getMinValue()
int	getStatsSize()	The output of this method should be identical to the method "serializeStats(outputStream)".
double	getSumDoubleValue()
long	getSumLongValue()
TSDataType	getType()
int	hashCode()
void	initializeStats(float min, float max, float first, float last, double sum)
protected void	mergeStatisticsValue(Statistics<java.lang.Float> stats)
int	serializeStats(java.io.OutputStream outputStream)
java.lang.String	toString()

Methods inherited from class org.apache.iotdb.tsfile.file.metadata.statistics.Statistics

containedByTimeFilter, deserialize, deserialize, getCount, getEndTime, getSerializedSize, getSizeByType, getStartTime, getStatsByType, hasNullValue, isEmpty, mergeStatistics, serialize, setCount, setEmpty, setEndTime, setStartTime, update, update, update, update, update, update, update, update, update, update, update, update, update, update, update, updateStats

Methods inherited from class java.lang.Object

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

Constructor Detail

FloatStatistics

public FloatStatistics()

Method Detail

getType

public TSDataType getType()

Specified by:

getType in class Statistics<java.lang.Float>

getStatsSize

public int getStatsSize()

The output of this method should be identical to the method "serializeStats(outputStream)".

Specified by:

getStatsSize in class Statistics<java.lang.Float>

initializeStats

public void initializeStats(float min,
                            float max,
                            float first,
                            float last,
                            double sum)

calculateRamSize

public long calculateRamSize()

Specified by:

calculateRamSize in class Statistics<java.lang.Float>

getMinValue

public java.lang.Float getMinValue()

Specified by:

getMinValue in class Statistics<java.lang.Float>

getMaxValue

public java.lang.Float getMaxValue()

Specified by:

getMaxValue in class Statistics<java.lang.Float>

getFirstValue

public java.lang.Float getFirstValue()

Specified by:

getFirstValue in class Statistics<java.lang.Float>

getLastValue

public java.lang.Float getLastValue()

Specified by:

getLastValue in class Statistics<java.lang.Float>

getSumDoubleValue

public double getSumDoubleValue()

Specified by:

getSumDoubleValue in class Statistics<java.lang.Float>

getSumLongValue

public long getSumLongValue()

Specified by:

getSumLongValue in class Statistics<java.lang.Float>

mergeStatisticsValue

protected void mergeStatisticsValue(Statistics<java.lang.Float> stats)

Specified by:

mergeStatisticsValue in class Statistics<java.lang.Float>

serializeStats

public int serializeStats(java.io.OutputStream outputStream)
                   throws java.io.IOException

Throws:

java.io.IOException

deserialize

public void deserialize(java.io.InputStream inputStream)
                 throws java.io.IOException

Description copied from class: Statistics

deserialize data from the inputStream.

Specified by:

deserialize in class Statistics<java.lang.Float>

Parameters:

inputStream - input stream

Throws:

java.io.IOException - exception when operating stream

deserialize

public void deserialize(java.nio.ByteBuffer byteBuffer)

Specified by:

deserialize in class Statistics<java.lang.Float>

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class Statistics<java.lang.Float>

hashCode

public int hashCode()

Overrides:

hashCode in class Statistics<java.lang.Float>

toString

public java.lang.String toString()

Overrides:

toString in class Statistics<java.lang.Float>