org.eigenbase.util.mapping
Class Mappings.OverridingSourceMapping

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

All Implemented Interfaces:

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

Enclosing class:

Mappings

public static class Mappings.OverridingSourceMapping
extends Mappings.AbstractMapping
implements Mappings.SourceMapping

Field Summary

private Mappings.SourceMapping	parent
private int	source
private int	target

Constructor Summary

Mappings.OverridingSourceMapping(Mappings.SourceMapping parent, int source, int target)

Method Summary

MappingType	getMappingType()
int	getSource(int target)
Mapping	inverse()
boolean	isIdentity() Returns whether this mapping is the identity.
Iterator<IntPair>	iterator() Returns an iterator over the elements in this mapping.

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

getSourceCount, getSourceOpt, getTarget, getTargetCount, getTargetOpt, set

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.SourceMapping

getSourceCount, getSourceOpt, getTargetCount, getTargetOpt

Field Detail

parent

private final Mappings.SourceMapping parent

source

private final int source

target

private final int target

Constructor Detail

Mappings.OverridingSourceMapping

public Mappings.OverridingSourceMapping(Mappings.SourceMapping parent,
                                        int source,
                                        int target)

Method Detail

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

getSource

public int getSource(int target)

Specified by:

getSource in interface Mappings.SourceMapping

Overrides:

getSource in class Mappings.AbstractMapping

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

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