Package org.apache.iotdb.tsfile.read.common.block.column

Class DoubleColumn

java.lang.Object

org.apache.iotdb.tsfile.read.common.block.column.DoubleColumn

All Implemented Interfaces:

Column

public class DoubleColumn
extends Object
implements Column

Field Summary

Fields

Modifier and Type	Field	Description
static int	SIZE_IN_BYTES_PER_POSITION

Constructor Summary

Constructors

Constructor	Description
DoubleColumn(int positionCount, Optional<boolean[]> valueIsNull, double[] values)

Method Summary

Modifier and Type	Method	Description
TSDataType	getDataType()
double	getDouble(int position)
double[]	getDoubles()
ColumnEncoding	getEncoding()
int	getInstanceSize()
Object	getObject(int position)
int	getPositionCount()
Column	getRegion(int positionOffset, int length)
long	getRetainedSizeInBytes()
TsPrimitiveType	getTsPrimitiveType(int position)
boolean[]	isNull()
boolean	isNull(int position)
boolean	mayHaveNull()
void	reverse()
Column	subColumn(int fromIndex)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.iotdb.tsfile.read.common.block.column.Column

getBinaries, getBinary, getBoolean, getBooleans, getFloat, getFloats, getInt, getInts, getLong, getLongs, getObjects

Field Detail

SIZE_IN_BYTES_PER_POSITION

public static final int SIZE_IN_BYTES_PER_POSITION

See Also:

Constant Field Values

Constructor Detail

DoubleColumn

public DoubleColumn(int positionCount,
                    Optional<boolean[]> valueIsNull,
                    double[] values)

Method Detail

getDataType

public TSDataType getDataType()

Specified by:

getDataType in interface Column

getEncoding

public ColumnEncoding getEncoding()

Specified by:

getEncoding in interface Column

getDouble

public double getDouble(int position)

Specified by:

getDouble in interface Column

getDoubles

public double[] getDoubles()

Specified by:

getDoubles in interface Column

getObject

public Object getObject(int position)

Specified by:

getObject in interface Column

getTsPrimitiveType

public TsPrimitiveType getTsPrimitiveType(int position)

Specified by:

getTsPrimitiveType in interface Column

mayHaveNull

public boolean mayHaveNull()

Specified by:

mayHaveNull in interface Column

isNull

public boolean isNull(int position)

Specified by:

isNull in interface Column

isNull

public boolean[] isNull()

Specified by:

isNull in interface Column

getPositionCount

public int getPositionCount()

Specified by:

getPositionCount in interface Column

getRetainedSizeInBytes

public long getRetainedSizeInBytes()

Specified by:

getRetainedSizeInBytes in interface Column

getRegion

public Column getRegion(int positionOffset,
                        int length)

Specified by:

getRegion in interface Column

subColumn

public Column subColumn(int fromIndex)

Specified by:

subColumn in interface Column

reverse

public void reverse()

Specified by:

reverse in interface Column

getInstanceSize

public int getInstanceSize()

Specified by:

getInstanceSize in interface Column