org.apache.paimon.data

类 BinaryMap

java.lang.Object

org.apache.paimon.data.BinarySection

org.apache.paimon.data.BinaryMap

所有已实现的接口:

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.

从以下版本开始:

0.4.0

另请参阅:

序列化表格

字段概要

从类继承的字段 org.apache.paimon.data.BinarySection

HIGHEST_FIRST_BIT, HIGHEST_SECOND_TO_EIGHTH_BIT, MAX_FIX_PART_DATA_SIZE, offset, segments, sizeInBytes

构造器概要

构造器

构造器和说明
BinaryMap()

方法概要

限定符和类型	方法和说明
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)

从类继承的方法 org.apache.paimon.data.BinarySection

equals, getOffset, getSegments, getSizeInBytes, pointTo, toBytes

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

BinaryMap

public BinaryMap()

方法详细资料

size

public int size()

从接口复制的说明: InternalMap

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

指定者:

size 在接口中 InternalMap

pointTo

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

覆盖:

pointTo 在类中 BinarySection

keyArray

public BinaryArray keyArray()

从接口复制的说明: 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.

指定者:

keyArray 在接口中 InternalMap

valueArray

public BinaryArray valueArray()

从接口复制的说明: 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.

指定者:

valueArray 在接口中 InternalMap

toJavaMap

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

copy

public BinaryMap copy()

copy

public BinaryMap copy(BinaryMap reuse)

hashCode

public int hashCode()

覆盖:

hashCode 在类中 BinarySection

valueOf

public static BinaryMap valueOf(BinaryArray key,
                                BinaryArray value)