/***********************************************************************
This file is part of KEEL-software, the Data Mining tool for regression,
classification, clustering, pattern mining and so on.
Copyright (C) 2004-2010
F. Herrera (herrera@decsai.ugr.es)
L. S�nchez (luciano@uniovi.es)
J. Alcal�-Fdez (jalcala@decsai.ugr.es)
S. Garc�a (sglopez@ujaen.es)
A. Fern�ndez (alberto.fernandez@ujaen.es)
J. Luengo (julianlm@decsai.ugr.es)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see http://www.gnu.org/licenses/
**********************************************************************/
/**
*
* File: Pair.java
*
* Auxiliary class to repressent pairs of rules and its distance
*
* @author Written by Joaquin Derrac (University of Granada) 17/10/2009
* @version 1.1
* @since JDK1.5
*
*/
package keel.Algorithms.Hyperrectangles.INNER;
public class Pair implements Comparable{
private int ruleA; //first rule
private int ruleB; //second rule
private double distance; //distance between them
/**
* Builder.
*
* @param a Identifier of the first rule
* @param b Identifier of the second rule
* @param dist Distance between rules
*/
public Pair (int a, int b, double dist){
ruleA=a;
ruleB=b;
distance=dist;
}//end-method
/**
* Returns the distance between rules
*
* @return Distance
*/
public double dist(){
return distance;
}//end-method
/**
* Returns the first rule of the pair
*
* @return Identifier of the first rule
*/
public int A(){
return ruleA;
}//end-method
/**
* Returns the second rule of the pair
*
* @return Identifier of the second rule
*/
public int B(){
return ruleB;
}//end-method
/**
* Compare to method: Compare two pairs of rules regarding its distance
*
* @return Order of the two pairs
*/
public int compareTo(Object o) {
Pair dir = (Pair)o;
if(this.distance < dir.distance)
return -1;
else if(this.distance == dir.distance)
return 0;
else
return 1;
}//end-method
}//end-class