org.eigenbase.util.mapping
Interface Mappings.TargetMapping

All Known Subinterfaces:

Mapping

All Known Implementing Classes:

Mappings.AbstractMapping, Mappings.FiniteAbstractMapping, Mappings.IdentityMapping, Mappings.InverseMapping, Mappings.OverridingSourceMapping, Mappings.OverridingTargetMapping, Mappings.PartialFunctionImpl, Mappings.PartialMapping, Mappings.SurjectionWithInverse, Permutation

Enclosing class:

Mappings

public static interface Mappings.TargetMapping

Mapping suitable for mapping columns to a target.

Properties:

• It has a finite number of sources and targets
• Each target has at most one source
• Each source has exactly one target

TODO: figure out which interfaces this should extend

Method Summary

MappingType	getMappingType()
int	getSourceCount()
int	getSourceOpt(int target)
int	getTarget(int target)
int	getTargetCount()
int	getTargetOpt(int source)
Mapping	inverse()
void	set(int source, int target)

Method Detail

getSourceCount

int getSourceCount()

getSourceOpt

int getSourceOpt(int target)

getTargetCount

int getTargetCount()

getTarget

int getTarget(int target)

getTargetOpt

int getTargetOpt(int source)

set

void set(int source,
         int target)

getMappingType

MappingType getMappingType()

inverse

Mapping inverse()