org.planx.xmlstore.routing
Class Node.DistanceComparator

java.lang.Object
  org.planx.xmlstore.routing.Node.DistanceComparator

All Implemented Interfaces:

Comparator

Enclosing class:

Node

public static class Node.DistanceComparator
extends Object
implements Comparator

A DistanceComparator is capable of comparing Node objects according to closeness to a predetermined identifier using the XOR metric.

Constructor Summary

Node.DistanceComparator(Identifier relId)
The identifier relative to which the distance should be measured.

Method Summary

int	compare(Object o1, Object o2) Compare two objects which must both be of type Node and determine which is closest to the identifier specified in the constructor.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

equals

Constructor Detail

Node.DistanceComparator

public Node.DistanceComparator(Identifier relId)

The identifier relative to which the distance should be measured.

Method Detail

compare

public int compare(Object o1,
                   Object o2)

Compare two objects which must both be of type Node and determine which is closest to the identifier specified in the constructor.

Specified by:

compare in interface Comparator