Module org.apache.arrow.variant

Package org.apache.arrow.variant.impl

Class NullableVariantHolderReaderImpl

java.lang.Object

org.apache.arrow.vector.complex.impl.AbstractFieldReader

org.apache.arrow.variant.impl.NullableVariantHolderReaderImpl

All Implemented Interfaces:

Iterable<String>, Positionable, BaseReader, BaseReader.ListReader, BaseReader.MapReader, BaseReader.RepeatedListReader, BaseReader.RepeatedMapReader, BaseReader.RepeatedStructReader, BaseReader.ScalarReader, BaseReader.StructReader, BigIntReader, BitReader, DateDayReader, DateMilliReader, Decimal256Reader, DecimalReader, DurationReader, ExtensionReader, FieldReader, FixedSizeBinaryReader, Float2Reader, Float4Reader, Float8Reader, IntervalDayReader, IntervalMonthDayNanoReader, IntervalYearReader, IntReader, LargeVarBinaryReader, LargeVarCharReader, SmallIntReader, TimeMicroReader, TimeMilliReader, TimeNanoReader, TimeSecReader, TimeStampMicroReader, TimeStampMicroTZReader, TimeStampMilliReader, TimeStampMilliTZReader, TimeStampNanoReader, TimeStampNanoTZReader, TimeStampSecReader, TimeStampSecTZReader, TinyIntReader, UInt1Reader, UInt2Reader, UInt4Reader, UInt8Reader, VarBinaryReader, VarCharReader, ViewVarBinaryReader, ViewVarCharReader

public class NullableVariantHolderReaderImpl
extends AbstractFieldReader

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.arrow.vector.complex.reader.BaseReader

BaseReader.ComplexReader, BaseReader.ListReader, BaseReader.MapReader, BaseReader.RepeatedListReader, BaseReader.RepeatedMapReader, BaseReader.RepeatedStructReader, BaseReader.ScalarReader, BaseReader.StructReader

Constructor Summary

Constructors

Constructor	Description
NullableVariantHolderReaderImpl(NullableVariantHolder holder)

Method Summary

Modifier and Type	Method	Description
void	copyAsValue(DenseUnionWriter writer)
void	copyAsValue(UnionWriter writer)
void	copyAsValue(BaseWriter.ListWriter writer)
void	copyAsValue(BaseWriter.MapWriter writer)
Types.MinorType	getMinorType()
int	getPosition()
protected int	idx()
boolean	isSet()	Returns true if the current value of the reader is not null
Iterator<String>	iterator()
boolean	next()
void	read(int index, DenseUnionHolder holder)
void	read(int index, UnionHolder holder)
void	read(NullableVariantHolder h)	Reads the variant holder data into the provided holder.
void	read(DenseUnionHolder holder)
void	read(UnionHolder holder)
void	reset()
void	setPosition(int index)
int	size()

Methods inherited from class org.apache.arrow.vector.complex.impl.AbstractFieldReader

copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsField, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, copyAsValue, getField, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, read, readBigDecimal, readBigDecimal, readBoolean, readBoolean, readByte, readByte, readByteArray, readByteArray, readCharacter, readCharacter, readDouble, readDouble, readDuration, readDuration, reader, reader, readFloat, readFloat, readInteger, readInteger, readLocalDateTime, readLocalDateTime, readLong, readLong, readObject, readObject, readPeriod, readPeriod, readPeriodDuration, readPeriodDuration, readShort, readShort, readString, readString, readText, readText

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.arrow.vector.complex.reader.BaseReader

copyAsValue, copyAsValue, read, read, read, read, reset

Methods inherited from interface org.apache.arrow.vector.complex.reader.BaseReader.RepeatedListReader

copyAsValue

Methods inherited from interface org.apache.arrow.vector.complex.reader.BaseReader.RepeatedMapReader

copyAsValue

Methods inherited from interface java.lang.Iterable

forEach, iterator, spliterator

Methods inherited from interface org.apache.arrow.vector.complex.Positionable

getPosition

Constructor Details

NullableVariantHolderReaderImpl

public NullableVariantHolderReaderImpl(NullableVariantHolder holder)

Method Details

size

public int size()

Specified by:

size in interface BaseReader.RepeatedListReader

Specified by:

size in interface BaseReader.RepeatedMapReader

Specified by:

size in interface BaseReader.RepeatedStructReader

Overrides:

size in class AbstractFieldReader

next

public boolean next()

Specified by:

next in interface BaseReader.RepeatedListReader

Specified by:

next in interface BaseReader.RepeatedMapReader

Specified by:

next in interface BaseReader.RepeatedStructReader

setPosition

public void setPosition(int index)

Specified by:

setPosition in interface Positionable

getMinorType

public Types.MinorType getMinorType()

isSet

public boolean isSet()

Description copied from class: AbstractFieldReader

Returns true if the current value of the reader is not null

Specified by:

isSet in interface BaseReader

Specified by:

isSet in interface BigIntReader

Specified by:

isSet in interface BitReader

Specified by:

isSet in interface DateDayReader

Specified by:

isSet in interface DateMilliReader

Specified by:

isSet in interface Decimal256Reader

Specified by:

isSet in interface DecimalReader

Specified by:

isSet in interface DurationReader

Specified by:

isSet in interface ExtensionReader

Specified by:

isSet in interface FixedSizeBinaryReader

Specified by:

isSet in interface Float2Reader

Specified by:

isSet in interface Float4Reader

Specified by:

isSet in interface Float8Reader

Specified by:

isSet in interface IntervalDayReader

Specified by:

isSet in interface IntervalMonthDayNanoReader

Specified by:

isSet in interface IntervalYearReader

Specified by:

isSet in interface IntReader

Specified by:

isSet in interface LargeVarBinaryReader

Specified by:

isSet in interface LargeVarCharReader

Specified by:

isSet in interface SmallIntReader

Specified by:

isSet in interface TimeMicroReader

Specified by:

isSet in interface TimeMilliReader

Specified by:

isSet in interface TimeNanoReader

Specified by:

isSet in interface TimeSecReader

Specified by:

isSet in interface TimeStampMicroReader

Specified by:

isSet in interface TimeStampMicroTZReader

Specified by:

isSet in interface TimeStampMilliReader

Specified by:

isSet in interface TimeStampMilliTZReader

Specified by:

isSet in interface TimeStampNanoReader

Specified by:

isSet in interface TimeStampNanoTZReader

Specified by:

isSet in interface TimeStampSecReader

Specified by:

isSet in interface TimeStampSecTZReader

Specified by:

isSet in interface TinyIntReader

Specified by:

isSet in interface UInt1Reader

Specified by:

isSet in interface UInt2Reader

Specified by:

isSet in interface UInt4Reader

Specified by:

isSet in interface UInt8Reader

Specified by:

isSet in interface VarBinaryReader

Specified by:

isSet in interface VarCharReader

Specified by:

isSet in interface ViewVarBinaryReader

Specified by:

isSet in interface ViewVarCharReader

Overrides:

isSet in class AbstractFieldReader

Returns:

whether the current value is set

read

public void read(NullableVariantHolder h)

Reads the variant holder data into the provided holder.

Parameters:

h - the holder to read into

getPosition

public int getPosition()

Specified by:

getPosition in interface Positionable

idx

protected int idx()

reset

public void reset()

Specified by:

reset in interface BaseReader

iterator

public Iterator<String> iterator()

Specified by:

iterator in interface Iterable<String>

read

public void read(UnionHolder holder)

Specified by:

read in interface BaseReader

read

public void read(int index,
 UnionHolder holder)

Specified by:

read in interface BaseReader

copyAsValue

public void copyAsValue(UnionWriter writer)

Specified by:

copyAsValue in interface BaseReader

read

public void read(DenseUnionHolder holder)

Specified by:

read in interface BaseReader

read

public void read(int index,
 DenseUnionHolder holder)

Specified by:

read in interface BaseReader

copyAsValue

public void copyAsValue(DenseUnionWriter writer)

Specified by:

copyAsValue in interface BaseReader

copyAsValue

public void copyAsValue(BaseWriter.ListWriter writer)

Specified by:

copyAsValue in interface BaseReader.RepeatedListReader

copyAsValue

public void copyAsValue(BaseWriter.MapWriter writer)

Specified by:

copyAsValue in interface BaseReader.RepeatedMapReader