org.apache.paimon.data

Interface InternalMap

All Known Implementing Classes:

BinaryMap, ColumnarMap, GenericMap

@Public
public interface InternalMap

Base interface of an internal data structure representing data of MapType or MultisetType.

Note: All keys and values of this data structure must be internal data structures. All keys must be of the same type; same for values. See InternalRow for more information about internal data structures.

Since:

0.4.0

See Also:

GenericMap

Method Summary

Modifier and Type	Method and Description
InternalArray	keyArray() Returns an array view of the keys contained in this map.
int	size() Returns the number of key-value mappings in this map.
InternalArray	valueArray() Returns an array view of the values contained in this map.

Method Detail

size

int size()

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

keyArray

InternalArray keyArray()

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.

valueArray

InternalArray valueArray()

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.