simulator.h

/*
 * simulator.h
 *
 *  Created on: 14-Jul-2008
 *      Author: nmmkchow
 */

#ifndef SIMULATOR_H_
#define SIMULATOR_H_

#include "utility.h"
#include "def.h"

#include <queue>

using namespace std;

#define EVENT_ARRIVE  0
#define EVENT_DEPART  1
#define EVENT_END_SIM 2

class Event;
class Simulator;

class Event {
public:
  int type, time, index;

  Event(int _type, int _time, int _index);
  virtual ~Event();
};

class EventComparer {
public:
  bool operator()(const Event& e1, const Event& e2) const {
    return (e1.time > e2.time);
  }
};

class Simulator {
public:
  priority_queue<Event, vector<Event>, EventComparer> PQ;

  const Event &top();
  void pop();
  bool empty();

  Simulator();
  virtual ~Simulator();
};

#endif /* SIMULATOR_H_ */