net.cscott.jutil

Interface InvertibleMultiMap<K,V>

public interface InvertibleMultiMap<K,V> extends MultiMap<K,V>, InvertibleMap<K,V>

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 2003/03/20 01:58:20 cananian Exp $

Author: C. Scott Ananian

Method Summary
InvertibleMultiMap<V,K>invert()
Returns a inverted view of this.

Method Detail

invert

public InvertibleMultiMap<V,K> 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.
Copyright © 2003 C. Scott Ananian