Module org.apache.arrow.vector

Package org.apache.arrow.vector.complex.impl

Class NullableStructReaderImpl

java.lang.Object

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

org.apache.arrow.vector.complex.impl.SingleStructReaderImpl

org.apache.arrow.vector.complex.impl.NullableStructReaderImpl

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 NullableStructReaderImpl
extends SingleStructReaderImpl

An FieldReader for reading nullable struct vectors.

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
NullableStructReaderImpl(NonNullableStructVector vector)

Method Summary

Modifier and Type	Method	Description
void	copyAsField(String name, BaseWriter.StructWriter writer)
void	copyAsValue(DenseUnionWriter writer)
void	copyAsValue(UnionWriter writer)
void	copyAsValue(BaseWriter.ListWriter writer)
void	copyAsValue(BaseWriter.MapWriter writer)
void	copyAsValue(BaseWriter.StructWriter writer)
Field	getField()
int	getPosition()
protected int	idx()
boolean	isSet()	Returns true if the current value of the reader is not null
boolean	next()
void	read(int index, DenseUnionHolder holder)
void	read(int index, UnionHolder holder)
void	read(DenseUnionHolder holder)
void	read(UnionHolder holder)
void	reset()

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

getMinorType, iterator, reader, readObject, setPosition

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, 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, 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, readFloat, readFloat, readInteger, readInteger, readLocalDateTime, readLocalDateTime, readLong, readLong, readObject, readPeriod, readPeriod, readPeriodDuration, readPeriodDuration, readShort, readShort, readString, readString, readText, readText, size

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, next

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

copyAsValue, next

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

next

Methods inherited from interface java.lang.Iterable

forEach, spliterator

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

getPosition

Constructor Details

NullableStructReaderImpl

public NullableStructReaderImpl(NonNullableStructVector vector)

Method Details

getField

public Field getField()

Specified by:

getField in interface BaseReader

Overrides:

getField in class SingleStructReaderImpl

copyAsValue

public void copyAsValue(BaseWriter.StructWriter writer)

Specified by:

copyAsValue in interface BaseReader.RepeatedStructReader

Overrides:

copyAsValue in class SingleStructReaderImpl

copyAsField

public void copyAsField(String name,
 BaseWriter.StructWriter writer)

Overrides:

copyAsField in class SingleStructReaderImpl

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 SingleStructReaderImpl

Returns:

whether the current value is set

getPosition

public int getPosition()

Specified by:

getPosition in interface Positionable

idx

protected int idx()

reset

public void reset()

Specified by:

reset in interface BaseReader

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

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