org.apache.flink.table.data.binary

类 BinaryMapData

java.lang.Object

org.apache.flink.table.data.binary.BinarySection

org.apache.flink.table.data.binary.BinaryMapData

所有已实现的接口:

BinaryFormat, MapData

@Internal
public final class BinaryMapData
extends BinarySection
implements MapData

[4 byte(keyArray size in bytes)] + [Key BinaryArray] + [Value BinaryArray].

BinaryMap are influenced by Apache Spark UnsafeMapData.

字段概要

从类继承的字段 org.apache.flink.table.data.binary.BinarySection

offset, segments, sizeInBytes

从接口继承的字段 org.apache.flink.table.data.binary.BinaryFormat

HIGHEST_FIRST_BIT, HIGHEST_SECOND_TO_EIGHTH_BIT, MAX_FIX_PART_DATA_SIZE

构造器概要

构造器

构造器和说明
BinaryMapData()

方法概要

限定符和类型	方法和说明
BinaryMapData	copy()
BinaryMapData	copy(BinaryMapData reuse)
int	hashCode()
BinaryArrayData	keyArray() Returns an array view of the keys contained in this map.
void	pointTo(org.apache.flink.core.memory.MemorySegment[] segments, int offset, int sizeInBytes)
int	size() Returns the number of key-value mappings in this map.
Map<?,?>	toJavaMap(LogicalType keyType, LogicalType valueType)
BinaryArrayData	valueArray() Returns an array view of the values contained in this map.
static BinaryMapData	valueOf(BinaryArrayData key, BinaryArrayData value)

从类继承的方法 org.apache.flink.table.data.binary.BinarySection

equals, getOffset, getSegments, getSizeInBytes, pointTo

从类继承的方法 java.lang.Object

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

构造器详细资料

BinaryMapData

public BinaryMapData()

方法详细资料

size

public int size()

从接口复制的说明: MapData

Returns the number of key-value mappings in this map.

指定者:

size 在接口中 MapData

pointTo

public void pointTo(org.apache.flink.core.memory.MemorySegment[] segments,
                    int offset,
                    int sizeInBytes)

覆盖:

pointTo 在类中 BinarySection

keyArray

public BinaryArrayData keyArray()

从接口复制的说明: MapData

Returns an array view of the keys contained in this map.

A key-value pair has the same index in the key array and value array.

指定者:

keyArray 在接口中 MapData

valueArray

public BinaryArrayData valueArray()

从接口复制的说明: MapData

Returns an array view of the values contained in this map.

A key-value pair has the same index in the key array and value array.

指定者:

valueArray 在接口中 MapData

toJavaMap

public Map<?,?> toJavaMap(LogicalType keyType,
                          LogicalType valueType)

copy

public BinaryMapData copy()

copy

public BinaryMapData copy(BinaryMapData reuse)

hashCode

public int hashCode()

覆盖:

hashCode 在类中 BinarySection

valueOf

public static BinaryMapData valueOf(BinaryArrayData key,
                                    BinaryArrayData value)