org.apache.flink.table.data.binary

Class BinaryMapData

java.lang.Object

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

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

All Implemented Interfaces:

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.

Field Summary

Fields inherited from class org.apache.flink.table.data.binary.BinarySection

offset, segments, sizeInBytes

Fields inherited from interface org.apache.flink.table.data.binary.BinaryFormat

HIGHEST_FIRST_BIT, HIGHEST_SECOND_TO_EIGHTH_BIT, MAX_FIX_PART_DATA_SIZE

Constructor Summary

Constructors

Constructor and Description
BinaryMapData()

Method Summary

Modifier and Type	Method and Description
BinaryMapData	copy()
BinaryMapData	copy(BinaryMapData reuse)
int	hashCode()
BinaryArrayData	keyArray() Returns an array view of the keys contained in this map.
void	pointTo(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)

Methods inherited from class org.apache.flink.table.data.binary.BinarySection

equals, getOffset, getSegments, getSizeInBytes, pointTo

Methods inherited from class java.lang.Object

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

Constructor Detail

BinaryMapData

public BinaryMapData()

Method Detail

size

public int size()

Description copied from interface: MapData

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

Specified by:

size in interface MapData

pointTo

public void pointTo(MemorySegment[] segments,
                    int offset,
                    int sizeInBytes)

Overrides:

pointTo in class BinarySection

keyArray

public BinaryArrayData keyArray()

Description copied from interface: 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.

Specified by:

keyArray in interface MapData

valueArray

public BinaryArrayData valueArray()

Description copied from interface: 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.

Specified by:

valueArray in interface MapData

toJavaMap

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

copy

public BinaryMapData copy()

copy

public BinaryMapData copy(BinaryMapData reuse)

hashCode

public int hashCode()

Overrides:

hashCode in class BinarySection

valueOf

public static BinaryMapData valueOf(BinaryArrayData key,
                                    BinaryArrayData value)