#ifndef LINK_H
#define LINK_H

#include <iostream>

typedef unsigned long int NodeId;
typedef unsigned int NodeCost;

class Link
{
public:
  Link (NodeId from, NodeId to,
	int initCost = 1, int initCapacity = -1);
  friend std::ostream& operator << (std::ostream &os, const Link &link);
  int capacity();
  int cost();
  NodeId destination();
  NodeId source();
private:
  NodeId sourcep;
  NodeId destinationp;
  int costp;
  int capacityp;
};

#endif