Package org.apache.sysds.runtime.frame.data.compress

Class ArrayCompressionStatistics

java.lang.Object

org.apache.sysds.runtime.frame.data.compress.ArrayCompressionStatistics

public class ArrayCompressionStatistics
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
ArrayFactory.FrameArrayType	bestType
int	bytePerValue
long	compressedSizeEstimate
boolean	containsNull
int	nUnique
long	originalSize
boolean	sampledAllRows
boolean	shouldCompress
Types.ValueType	valueType

Constructor Summary

Constructors

Constructor	Description
ArrayCompressionStatistics(int bytePerValue, int nUnique, boolean shouldCompress, Types.ValueType valueType, boolean containsNull, ArrayFactory.FrameArrayType bestType, long originalSize, long compressedSizeEstimate, boolean sampledAllRows)

Method Summary

Modifier and Type	Method	Description
String	toString()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

originalSize

public final long originalSize

compressedSizeEstimate

public final long compressedSizeEstimate

shouldCompress

public final boolean shouldCompress

valueType

public final Types.ValueType valueType

containsNull

public final boolean containsNull

sampledAllRows

public final boolean sampledAllRows

bestType

public final ArrayFactory.FrameArrayType bestType

bytePerValue

public final int bytePerValue

nUnique

public final int nUnique

Constructor Detail

ArrayCompressionStatistics

public ArrayCompressionStatistics(int bytePerValue,
                                  int nUnique,
                                  boolean shouldCompress,
                                  Types.ValueType valueType,
                                  boolean containsNull,
                                  ArrayFactory.FrameArrayType bestType,
                                  long originalSize,
                                  long compressedSizeEstimate,
                                  boolean sampledAllRows)

Method Detail

toString

public String toString()

Overrides:

toString in class Object