- All Superinterfaces:
- BinaryRelation, InvertibleMap, java.util.Map, MultiMap
- All Known Implementing Classes:
- GenericInvertibleMultiMap
- public interface InvertibleMultiMap
- extends MultiMap, InvertibleMap
An InvertibleMultiMap is an extension of the
MultiMap interface to allow users to do reverse lookups on
the mappings maintained.
If, for MultiMap m,
m.contains(a, b), then
m.invert().contains(b, a).
If the InvertibleMultiMap is mutable, the
InvertibleMultiMap returned by its invert()
method should also be mutable. Moreover, for any
InvertibleMultiMap,
this.invert().invert()==this.
- Version:
- $Id: InvertibleMultiMap.java,v 1.1 2003/03/29 07:58:35 joewhaley Exp $
| Nested classes inherited from class java.util.Map |
java.util.Map.Entry |
| Methods inherited from interface Util.Collections.MultiMap |
add, addAll, addAll, computeHistogram, contains, entrySet, get, getValues, put, putAll, remove, remove, removeAll, retainAll, size |
invert
public MultiMap invert()
- Returns a inverted view of
this.
Thus, if this is a MultiMap with domain A
and range B, the returned MultiMap,
imap, will be a MultiMap with domain
B and range A, such that b in B will map in
imap to a collection containing a,
if and only if a in this maps to
a collection containing b.
- Specified by:
invert in interface InvertibleMap
JAVADOC | 
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