org.apache.fury.format.row.binary.writer

Class BinaryWriter

java.lang.Object

org.apache.fury.format.row.binary.writer.BinaryWriter

Direct Known Subclasses:

BinaryArrayWriter, BinaryRowWriter

public abstract class BinaryWriter
extends Object

Base class for writing row-format structures.

Field Summary

Fields

Modifier and Type	Field and Description
protected MemoryBuffer	buffer
protected List<BinaryWriter>	children
protected int	startIndex

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	BinaryWriter(MemoryBuffer buffer, int bytesBeforeBitMap)

Method Summary

Modifier and Type	Method and Description
void	copyTo(BinaryWriter writer, int ordinal)
MemoryBuffer	getBuffer()
abstract int	getOffset(int ordinal)
int	getStartIndex()
protected void	grow(int neededSize)
void	increaseWriterIndex(int val)
void	increaseWriterIndexToAligned(int val)
boolean	isNullAt(int ordinal)
static int	roundNumberOfBytesToNearestWord(int numBytes)
void	setBuffer(MemoryBuffer buffer)
void	setNotNullAt(int ordinal)
void	setNullAt(int ordinal) Since writer is used for one-pass writer, same field won't be writer twice.
void	setOffsetAndSize(int ordinal, int size)
void	setOffsetAndSize(int ordinal, int absoluteOffset, int size)
int	size()
abstract void	write(int ordinal, BigDecimal input)
void	write(int ordinal, BinaryArray array)
void	write(int ordinal, BinaryMap map)
void	write(int ordinal, BinaryRow row)
abstract void	write(int ordinal, boolean value)
abstract void	write(int ordinal, byte value)
void	write(int ordinal, byte[] input)
void	write(int ordinal, double value)
abstract void	write(int ordinal, float value)
abstract void	write(int ordinal, int value)
void	write(int ordinal, long value)
abstract void	write(int ordinal, short value)
void	write(int ordinal, String input)
void	writeAlignedBytes(int ordinal, MemoryBuffer input, int baseOffset, int numBytes)
protected void	writeDecimal(int ordinal, BigDecimal value, org.apache.arrow.vector.types.pojo.ArrowType.Decimal type)
void	writeDirectly(int offset, long value) write long value to position pointed by offset.
void	writeDirectly(long value) write long value to position pointed by current writerIndex.
int	writerIndex()
void	writeUnaligned(int ordinal, byte[] input, int offset, int numBytes) This operation will increase writerIndex by aligned 8-byte.
void	writeUnaligned(int ordinal, MemoryBuffer input, int offset, int numBytes) This operation will increase writerIndex by aligned 8-byte.
protected void	zeroOutPaddingBytes(int numBytes) if numBytes is not multiple of 8, zero 8 byte until multiple of 8.

Methods inherited from class java.lang.Object

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

Field Detail

buffer

protected MemoryBuffer buffer

startIndex

protected int startIndex

children

protected final List<BinaryWriter> children

Constructor Detail

BinaryWriter

protected BinaryWriter(MemoryBuffer buffer,
                       int bytesBeforeBitMap)

Method Detail

roundNumberOfBytesToNearestWord

public static int roundNumberOfBytesToNearestWord(int numBytes)

getBuffer

public final MemoryBuffer getBuffer()

writerIndex

public final int writerIndex()

size

public final int size()

getStartIndex

public final int getStartIndex()

increaseWriterIndex

public final void increaseWriterIndex(int val)

increaseWriterIndexToAligned

public final void increaseWriterIndexToAligned(int val)

grow

protected final void grow(int neededSize)

setOffsetAndSize

public final void setOffsetAndSize(int ordinal,
                                   int size)

setOffsetAndSize

public final void setOffsetAndSize(int ordinal,
                                   int absoluteOffset,
                                   int size)

zeroOutPaddingBytes

protected final void zeroOutPaddingBytes(int numBytes)

if numBytes is not multiple of 8, zero 8 byte until multiple of 8.

setNullAt

public final void setNullAt(int ordinal)

Since writer is used for one-pass writer, same field won't be writer twice. There is no need to put zero into the corresponding field when set null.

setNotNullAt

public final void setNotNullAt(int ordinal)

isNullAt

public final boolean isNullAt(int ordinal)

getOffset

public abstract int getOffset(int ordinal)

write

public abstract void write(int ordinal,
                           byte value)

write

public abstract void write(int ordinal,
                           boolean value)

write

public abstract void write(int ordinal,
                           short value)

write

public abstract void write(int ordinal,
                           int value)

write

public abstract void write(int ordinal,
                           float value)

write

public abstract void write(int ordinal,
                           BigDecimal input)

write

public final void write(int ordinal,
                        long value)

write

public final void write(int ordinal,
                        double value)

write

public final void write(int ordinal,
                        String input)

write

public final void write(int ordinal,
                        byte[] input)

write

public final void write(int ordinal,
                        BinaryRow row)

write

public final void write(int ordinal,
                        BinaryMap map)

write

public final void write(int ordinal,
                        BinaryArray array)

writeUnaligned

public final void writeUnaligned(int ordinal,
                                 byte[] input,
                                 int offset,
                                 int numBytes)

This operation will increase writerIndex by aligned 8-byte.

writeUnaligned

public final void writeUnaligned(int ordinal,
                                 MemoryBuffer input,
                                 int offset,
                                 int numBytes)

This operation will increase writerIndex by aligned 8-byte.

writeAlignedBytes

public final void writeAlignedBytes(int ordinal,
                                    MemoryBuffer input,
                                    int baseOffset,
                                    int numBytes)

writeDecimal

protected final void writeDecimal(int ordinal,
                                  BigDecimal value,
                                  org.apache.arrow.vector.types.pojo.ArrowType.Decimal type)

writeDirectly

public final void writeDirectly(long value)

write long value to position pointed by current writerIndex.

writeDirectly

public final void writeDirectly(int offset,
                                long value)

write long value to position pointed by offset.

copyTo

public final void copyTo(BinaryWriter writer,
                         int ordinal)

setBuffer

public final void setBuffer(MemoryBuffer buffer)