org.eigenbase.util.mapping
Class Mappings.OverridingTargetMapping

java.lang.Object
  org.eigenbase.util.mapping.Mappings.AbstractMapping
      org.eigenbase.util.mapping.Mappings.OverridingTargetMapping

All Implemented Interfaces:

Iterable<IntPair>, Mapping, Mappings.FunctionMapping, Mappings.SourceMapping, Mappings.TargetMapping

Enclosing class:

Mappings

public static class Mappings.OverridingTargetMapping
extends Mappings.AbstractMapping
implements Mappings.TargetMapping

Field Summary

private Mappings.TargetMapping	parent
private int	source
private int	target

Constructor Summary

Mappings.OverridingTargetMapping(Mappings.TargetMapping parent, int target, int source)

Method Summary

MappingType	getMappingType()
int	getTarget(int source) Returns the target that a source maps to.
Mapping	inverse()
boolean	isIdentity() Returns whether this mapping is the identity.
Iterator<IntPair>	iterator() Returns an iterator over the elements in this mapping.
void	set(int source, int target)

Methods inherited from class org.eigenbase.util.mapping.Mappings.AbstractMapping

getSource, getSourceCount, getSourceOpt, getTargetCount, getTargetOpt

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eigenbase.util.mapping.Mappings.TargetMapping

getSourceCount, getSourceOpt, getTargetCount, getTargetOpt

Field Detail

parent

private final Mappings.TargetMapping parent

target

private final int target

source

private final int source

Constructor Detail

Mappings.OverridingTargetMapping

public Mappings.OverridingTargetMapping(Mappings.TargetMapping parent,
                                        int target,
                                        int source)

Method Detail

set

public void set(int source,
                int target)

Specified by:

set in interface Mappings.TargetMapping

Overrides:

set in class Mappings.AbstractMapping

inverse

public Mapping inverse()

Specified by:

inverse in interface Mappings.SourceMapping

Specified by:

inverse in interface Mappings.TargetMapping

getMappingType

public MappingType getMappingType()

Specified by:

getMappingType in interface Mapping

Specified by:

getMappingType in interface Mappings.FunctionMapping

Specified by:

getMappingType in interface Mappings.SourceMapping

Specified by:

getMappingType in interface Mappings.TargetMapping

isIdentity

public boolean isIdentity()

Description copied from interface: Mapping

Returns whether this mapping is the identity.

Specified by:

isIdentity in interface Mapping

Specified by:

isIdentity in interface Mappings.SourceMapping

Overrides:

isIdentity in class Mappings.AbstractMapping

getTarget

public int getTarget(int source)

Description copied from interface: Mappings.FunctionMapping

Returns the target that a source maps to.

Specified by:

getTarget in interface Mappings.FunctionMapping

Specified by:

getTarget in interface Mappings.TargetMapping

Overrides:

getTarget in class Mappings.AbstractMapping

Parameters:

source - source

Returns:

target

iterator

public Iterator<IntPair> iterator()

Description copied from interface: Mapping

Returns an iterator over the elements in this mapping.

This method is optional; implementations may throw UnsupportedOperationException.

Specified by:

iterator in interface Iterable<IntPair>

Specified by:

iterator in interface Mapping