package edu.isi.karma.modeling.steiner.topk;
/**
* This class is part of the YAGO extractors (http://mpii.de/yago). It is licensed under the
* Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported License,
* (http://creativecommons.org/licenses/by-nc-sa/3.0/)
* by the YAGO team (http://mpii.de/yago).
*
* Represents an edge between two nodes
*
* @author Maya Ramanath
*
*/
public class Edge<T> {
T n1, n2;
public Edge () { }
public Edge (T n1, T n2) {
this.n1 = n1;
this.n2 = n2;
}
public T source () { return n1; }
public T destination () { return n2; }
public int hashCode() {
return n1.hashCode()^n2.hashCode();
}
public boolean equals(Object e) {
if(e==null || !(e instanceof Edge)) return(false);
return(n1.equals(((Edge)e).n1) && n2.equals(((Edge)e).n2));
}
public String toString() {
return(n1.toString()+"--"+n2.toString());
}
}