org.hypergraphdb.atom
Class HGBergeLink

java.lang.Object
  org.hypergraphdb.HGPlainLink
      org.hypergraphdb.atom.HGBergeLink

All Implemented Interfaces:

java.lang.Iterable<HGHandle>, HGLink

public class HGBergeLink
extends HGPlainLink

A HGBergeLink represent a hyperarc or hyperedge in the mathematical theory of hypergraphs. A hyperarc has a target set that is partitioned into a head and a tail. The name comes from the presumed inventor of this type of arc, Claude Berge. If it turns out the latter did not actually come up with the definition, too bad for the naming choice :)

Author:

Borislav Iordanov

Constructor Summary

HGBergeLink(HGHandle... targets)

HGBergeLink(HGHandle[] head, HGHandle[] tail)

HGBergeLink(int tailIndex, HGHandle... targets)

Method Summary

java.util.Set<HGHandle>	getHead()
java.util.Set<HGHandle>	getTail()
int	getTailIndex()
void	setTailIndex(int tailIndex)

Methods inherited from class org.hypergraphdb.HGPlainLink

getArity, getTargetAt, iterator, notifyTargetHandleUpdate, notifyTargetRemoved

Methods inherited from class java.lang.Object

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

Constructor Detail

HGBergeLink

public HGBergeLink(HGHandle... targets)

HGBergeLink

public HGBergeLink(int tailIndex,
                   HGHandle... targets)

HGBergeLink

public HGBergeLink(HGHandle[] head,
                   HGHandle[] tail)

Method Detail

getHead

public java.util.Set<HGHandle> getHead()

getTail

public java.util.Set<HGHandle> getTail()

getTailIndex

public int getTailIndex()

setTailIndex

public void setTailIndex(int tailIndex)