org.apache.paimon.data

Class BinaryMap

java.lang.Object

org.apache.paimon.data.BinarySection

org.apache.paimon.data.BinaryMap

All Implemented Interfaces:

Serializable, InternalMap

@Public
public final class BinaryMap
extends BinarySection
implements InternalMap

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

BinaryMap are influenced by Apache Spark UnsafeMapData.

Since:

0.4.0

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.paimon.data.BinarySection

HIGHEST_FIRST_BIT, HIGHEST_SECOND_TO_EIGHTH_BIT, MAX_FIX_PART_DATA_SIZE, offset, segments, sizeInBytes

Constructor Summary

Constructors

Constructor and Description
BinaryMap()

Method Summary

Modifier and Type	Method and Description
BinaryMap	copy()
BinaryMap	copy(BinaryMap reuse)
int	hashCode()
BinaryArray	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(DataType keyType, DataType valueType)
BinaryArray	valueArray() Returns an array view of the values contained in this map.
static BinaryMap	valueOf(BinaryArray key, BinaryArray value)

Methods inherited from class org.apache.paimon.data.BinarySection

equals, getOffset, getSegments, getSizeInBytes, pointTo, toBytes

Methods inherited from class java.lang.Object

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

Constructor Detail

BinaryMap

public BinaryMap()

Method Detail

size

public int size()

Description copied from interface: InternalMap

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

Specified by:

size in interface InternalMap

pointTo

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

Overrides:

pointTo in class BinarySection

keyArray

public BinaryArray keyArray()

Description copied from interface: InternalMap

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 InternalMap

valueArray

public BinaryArray valueArray()

Description copied from interface: InternalMap

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 InternalMap

toJavaMap

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

copy

public BinaryMap copy()

copy

public BinaryMap copy(BinaryMap reuse)

hashCode

public int hashCode()

Overrides:

hashCode in class BinarySection

valueOf

public static BinaryMap valueOf(BinaryArray key,
                                BinaryArray value)