Package org.apache.calcite.util.mapping

Interface Mappings.CoreMapping

All Superinterfaces:

Iterable<IntPair>

All Known Subinterfaces:

Mapping, Mappings.FunctionMapping, Mappings.SourceMapping, Mappings.TargetMapping

All Known Implementing Classes:

AbstractSourceMapping, AbstractTargetMapping, Mappings.AbstractMapping, Mappings.FiniteAbstractMapping, Mappings.IdentityMapping, Mappings.OverridingSourceMapping, Mappings.OverridingTargetMapping, Mappings.PartialMapping, Permutation

Enclosing class:

Mappings

public static interface Mappings.CoreMapping
extends Iterable<IntPair>

Core interface of all mappings.

Method Summary

Modifier and Type	Method	Description
MappingType	getMappingType()	Returns the mapping type.
int	size()	Returns the number of elements in the mapping.

Methods inherited from interface java.lang.Iterable

forEach, iterator, spliterator

Method Details

getMappingType

MappingType getMappingType()

Returns the mapping type.

Returns:

Mapping type

size

int size()

Returns the number of elements in the mapping.