package tsp.shortestpath;


public class Edge implements Comparable<Edge> {

    private Location from;
    private Location to;

    public Edge (Location from, Location to){
        this.from = from;
        this.to = to;
    }

    public Location getTo() {
        return to;
    }

    public Location getFrom() {
        return from;
    }

    public double getWeight(){
        return this.from.distanceTo(this.to);
    }

    @Override
    public int compareTo(Edge edge) {
        double w1 = this.getWeight();
        double w2 = edge.getWeight();
        if (w1 < w2){
            return -1;
        } else if (w1 == w2){
            return 0;
        } else {
            return 1;
        }
    }

    @Override
    public String toString() {
        return "(" + this.from + " -> " + this.to + ")";
    }

}