org.apache.flink.table.data.writer

类 BinaryArrayWriter

java.lang.Object

org.apache.flink.table.data.writer.BinaryArrayWriter

所有已实现的接口:

BinaryWriter

@Internal
public final class BinaryArrayWriter
extends Object

Writer for binary array. See BinaryArrayData.

嵌套类概要

嵌套类

限定符和类型	类和说明
static interface	BinaryArrayWriter.NullSetter Accessor for setting the elements of an array writer to null during runtime.

从接口继承的嵌套类/接口 org.apache.flink.table.data.writer.BinaryWriter

BinaryWriter.ValueSetter

字段概要

字段

限定符和类型	字段和说明
protected int	cursor
protected org.apache.flink.core.memory.DataOutputViewStreamWrapper	outputView
protected org.apache.flink.core.memory.MemorySegment	segment

构造器概要

构造器

构造器和说明
BinaryArrayWriter(org.apache.flink.table.data.binary.BinaryArrayData array, int numElements, int elementSize)

方法概要

限定符和类型	方法和说明
void	afterGrow() After grow, need point to new memory.
void	complete() Finally, complete write to set real size to row.
static BinaryArrayWriter.NullSetter	createNullSetter(org.apache.flink.table.types.logical.LogicalType elementType) Creates an for accessor setting the elements of an array writer to null during runtime.
protected void	ensureCapacity(int neededSize)
int	getFieldOffset(int pos) Get field offset.
int	getNumElements()
org.apache.flink.core.memory.MemorySegment	getSegments()
void	reset() First, reset.
protected static int	roundNumberOfBytesToNearestWord(int numBytes)
void	setNullAt(int ordinal) Set null to this field.
void	setNullAt(int pos, org.apache.flink.table.types.logical.LogicalType type) 已过时。 Use createNullSetter(LogicalType) for avoiding logical types during runtime.
void	setNullBit(int ordinal)
void	setNullBoolean(int ordinal)
void	setNullByte(int ordinal)
void	setNullDouble(int ordinal)
void	setNullFloat(int ordinal)
void	setNullInt(int ordinal)
void	setNullLong(int ordinal)
void	setNullShort(int ordinal)
void	setOffsetAndSize(int pos, int offset, long size) Set offset and size to fix len part.
void	writeArray(int pos, org.apache.flink.table.data.ArrayData input, ArrayDataSerializer serializer)
void	writeBinary(int pos, byte[] bytes)
void	writeBoolean(int pos, boolean value)
void	writeByte(int pos, byte value)
void	writeDecimal(int pos, org.apache.flink.table.data.DecimalData value, int precision)
void	writeDouble(int pos, double value)
void	writeFloat(int pos, float value)
void	writeInt(int pos, int value)
void	writeLong(int pos, long value)
void	writeMap(int pos, org.apache.flink.table.data.MapData input, MapDataSerializer serializer)
void	writeRawValue(int pos, org.apache.flink.table.data.RawValueData<?> input, RawValueDataSerializer<?> serializer)
void	writeRow(int pos, org.apache.flink.table.data.RowData input, RowDataSerializer serializer)
void	writeShort(int pos, short value)
void	writeString(int pos, org.apache.flink.table.data.StringData input) See BinarySegmentUtils.readStringData(MemorySegment[], int, int, long).
void	writeTimestamp(int pos, org.apache.flink.table.data.TimestampData value, int precision)
protected void	zeroOutPaddingBytes(int numBytes)

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.flink.table.data.writer.BinaryWriter

createValueSetter, write

字段详细资料

segment

protected org.apache.flink.core.memory.MemorySegment segment

cursor

protected int cursor

outputView

protected org.apache.flink.core.memory.DataOutputViewStreamWrapper outputView

构造器详细资料

BinaryArrayWriter

public BinaryArrayWriter(org.apache.flink.table.data.binary.BinaryArrayData array,
                         int numElements,
                         int elementSize)

方法详细资料

reset

public void reset()

First, reset.

setNullBit

public void setNullBit(int ordinal)

setNullBoolean

public void setNullBoolean(int ordinal)

setNullByte

public void setNullByte(int ordinal)

setNullShort

public void setNullShort(int ordinal)

setNullInt

public void setNullInt(int ordinal)

setNullLong

public void setNullLong(int ordinal)

setNullFloat

public void setNullFloat(int ordinal)

setNullDouble

public void setNullDouble(int ordinal)

setNullAt

public void setNullAt(int ordinal)

从接口复制的说明: BinaryWriter

Set null to this field.

setNullAt

@Deprecated
public void setNullAt(int pos,
                                  org.apache.flink.table.types.logical.LogicalType type)

已过时。 Use createNullSetter(LogicalType) for avoiding logical types during runtime.

getFieldOffset

public int getFieldOffset(int pos)

Get field offset.

setOffsetAndSize

public void setOffsetAndSize(int pos,
                             int offset,
                             long size)

Set offset and size to fix len part.

writeBoolean

public void writeBoolean(int pos,
                         boolean value)

writeByte

public void writeByte(int pos,
                      byte value)

writeShort

public void writeShort(int pos,
                       short value)

writeInt

public void writeInt(int pos,
                     int value)

writeLong

public void writeLong(int pos,
                      long value)

writeFloat

public void writeFloat(int pos,
                       float value)

writeDouble

public void writeDouble(int pos,
                        double value)

afterGrow

public void afterGrow()

After grow, need point to new memory.

complete

public void complete()

Finally, complete write to set real size to row.

getNumElements

public int getNumElements()

createNullSetter

public static BinaryArrayWriter.NullSetter createNullSetter(org.apache.flink.table.types.logical.LogicalType elementType)

Creates an for accessor setting the elements of an array writer to null during runtime.

参数:

elementType - the element type of the array

writeString

public void writeString(int pos,
                        org.apache.flink.table.data.StringData input)

See BinarySegmentUtils.readStringData(MemorySegment[], int, int, long).

指定者:

writeString 在接口中 BinaryWriter

writeArray

public void writeArray(int pos,
                       org.apache.flink.table.data.ArrayData input,
                       ArrayDataSerializer serializer)

指定者:

writeArray 在接口中 BinaryWriter

writeMap

public void writeMap(int pos,
                     org.apache.flink.table.data.MapData input,
                     MapDataSerializer serializer)

指定者:

writeMap 在接口中 BinaryWriter

writeRawValue

public void writeRawValue(int pos,
                          org.apache.flink.table.data.RawValueData<?> input,
                          RawValueDataSerializer<?> serializer)

指定者:

writeRawValue 在接口中 BinaryWriter

writeRow

public void writeRow(int pos,
                     org.apache.flink.table.data.RowData input,
                     RowDataSerializer serializer)

指定者:

writeRow 在接口中 BinaryWriter

writeBinary

public void writeBinary(int pos,
                        byte[] bytes)

指定者:

writeBinary 在接口中 BinaryWriter

writeDecimal

public void writeDecimal(int pos,
                         org.apache.flink.table.data.DecimalData value,
                         int precision)

指定者:

writeDecimal 在接口中 BinaryWriter

writeTimestamp

public void writeTimestamp(int pos,
                           org.apache.flink.table.data.TimestampData value,
                           int precision)

指定者:

writeTimestamp 在接口中 BinaryWriter

zeroOutPaddingBytes

protected void zeroOutPaddingBytes(int numBytes)

ensureCapacity

protected void ensureCapacity(int neededSize)

roundNumberOfBytesToNearestWord

protected static int roundNumberOfBytesToNearestWord(int numBytes)

getSegments

@VisibleForTesting
public org.apache.flink.core.memory.MemorySegment getSegments()