Module org.apache.arrow.vector

Package org.apache.arrow.vector.complex.reader

Interface ExtensionReader

All Superinterfaces:

BaseReader, Positionable

All Known Subinterfaces:

BaseReader.ScalarReader, FieldReader

All Known Implementing Classes:

AbstractFieldReader, BigIntHolderReaderImpl, BigIntReaderImpl, BitHolderReaderImpl, BitReaderImpl, DateDayHolderReaderImpl, DateDayReaderImpl, DateMilliHolderReaderImpl, DateMilliReaderImpl, Decimal256HolderReaderImpl, Decimal256ReaderImpl, DecimalHolderReaderImpl, DecimalReaderImpl, DenseUnionReader, DurationHolderReaderImpl, DurationReaderImpl, FixedSizeBinaryHolderReaderImpl, FixedSizeBinaryReaderImpl, Float2HolderReaderImpl, Float2ReaderImpl, Float4HolderReaderImpl, Float4ReaderImpl, Float8HolderReaderImpl, Float8ReaderImpl, IntervalDayHolderReaderImpl, IntervalDayReaderImpl, IntervalMonthDayNanoHolderReaderImpl, IntervalMonthDayNanoReaderImpl, IntervalYearHolderReaderImpl, IntervalYearReaderImpl, IntHolderReaderImpl, IntReaderImpl, LargeVarBinaryHolderReaderImpl, LargeVarBinaryReaderImpl, LargeVarCharHolderReaderImpl, LargeVarCharReaderImpl, NullableBigIntHolderReaderImpl, NullableBitHolderReaderImpl, NullableDateDayHolderReaderImpl, NullableDateMilliHolderReaderImpl, NullableDecimal256HolderReaderImpl, NullableDecimalHolderReaderImpl, NullableDurationHolderReaderImpl, NullableFixedSizeBinaryHolderReaderImpl, NullableFloat2HolderReaderImpl, NullableFloat4HolderReaderImpl, NullableFloat8HolderReaderImpl, NullableIntervalDayHolderReaderImpl, NullableIntervalMonthDayNanoHolderReaderImpl, NullableIntervalYearHolderReaderImpl, NullableIntHolderReaderImpl, NullableLargeVarBinaryHolderReaderImpl, NullableLargeVarCharHolderReaderImpl, NullableSmallIntHolderReaderImpl, NullableStructReaderImpl, NullableTimeMicroHolderReaderImpl, NullableTimeMilliHolderReaderImpl, NullableTimeNanoHolderReaderImpl, NullableTimeSecHolderReaderImpl, NullableTimeStampMicroHolderReaderImpl, NullableTimeStampMicroTZHolderReaderImpl, NullableTimeStampMilliHolderReaderImpl, NullableTimeStampMilliTZHolderReaderImpl, NullableTimeStampNanoHolderReaderImpl, NullableTimeStampNanoTZHolderReaderImpl, NullableTimeStampSecHolderReaderImpl, NullableTimeStampSecTZHolderReaderImpl, NullableTinyIntHolderReaderImpl, NullableUInt1HolderReaderImpl, NullableUInt2HolderReaderImpl, NullableUInt4HolderReaderImpl, NullableUInt8HolderReaderImpl, NullableUuidHolderReaderImpl, NullableVarBinaryHolderReaderImpl, NullableVarCharHolderReaderImpl, NullableVariantHolderReaderImpl, NullableViewVarBinaryHolderReaderImpl, NullableViewVarCharHolderReaderImpl, NullReader, SingleListReaderImpl, SingleStructReaderImpl, SmallIntHolderReaderImpl, SmallIntReaderImpl, TimeMicroHolderReaderImpl, TimeMicroReaderImpl, TimeMilliHolderReaderImpl, TimeMilliReaderImpl, TimeNanoHolderReaderImpl, TimeNanoReaderImpl, TimeSecHolderReaderImpl, TimeSecReaderImpl, TimeStampMicroHolderReaderImpl, TimeStampMicroReaderImpl, TimeStampMicroTZHolderReaderImpl, TimeStampMicroTZReaderImpl, TimeStampMilliHolderReaderImpl, TimeStampMilliReaderImpl, TimeStampMilliTZHolderReaderImpl, TimeStampMilliTZReaderImpl, TimeStampNanoHolderReaderImpl, TimeStampNanoReaderImpl, TimeStampNanoTZHolderReaderImpl, TimeStampNanoTZReaderImpl, TimeStampSecHolderReaderImpl, TimeStampSecReaderImpl, TimeStampSecTZHolderReaderImpl, TimeStampSecTZReaderImpl, TinyIntHolderReaderImpl, TinyIntReaderImpl, UInt1HolderReaderImpl, UInt1ReaderImpl, UInt2HolderReaderImpl, UInt2ReaderImpl, UInt4HolderReaderImpl, UInt4ReaderImpl, UInt8HolderReaderImpl, UInt8ReaderImpl, UnionFixedSizeListReader, UnionLargeListReader, UnionLargeListViewReader, UnionListReader, UnionListViewReader, UnionMapReader, UnionReader, UuidReaderImpl, VarBinaryHolderReaderImpl, VarBinaryReaderImpl, VarCharHolderReaderImpl, VarCharReaderImpl, VariantReaderImpl, ViewVarBinaryHolderReaderImpl, ViewVarBinaryReaderImpl, ViewVarCharHolderReaderImpl, ViewVarCharReaderImpl

public interface ExtensionReader
extends BaseReader

Interface for reading extension types. Extends the functionality of BaseReader.

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

Method Summary

Modifier and Type	Method	Description
boolean	isSet()	Checks if the current value is set.
void	read(ExtensionHolder holder)	Reads to the given extension holder.
Object	readObject()	Reads and returns an object representation of the extension type.

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

copyAsValue, copyAsValue, getField, getMinorType, read, read, read, read, reset

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

getPosition, setPosition

Method Details

read

void read(ExtensionHolder holder)

Reads to the given extension holder.

Parameters:

holder - the ExtensionHolder to read

readObject

Object readObject()

Reads and returns an object representation of the extension type.

Returns:

the object representation of the extension type

isSet

boolean isSet()

Checks if the current value is set.

Specified by:

isSet in interface BaseReader

Returns:

true if the value is set, false otherwise