Timer.hh

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#ifndef __DIADES__UTILS__TIMER__HH
#define __DIADES__UTILS__TIMER__HH

#include <iostream>
#include <exception>
#include <stdexcept>
#include <string>
#include <map>
#include "Assertion.hh"

using  std::string;
using  std::exception;
using  std::runtime_error;
using  std::domain_error;
using  std::cerr;
using  std::endl;
using  std::cout;
using  std::map;

namespace Diades
{
namespace Utils 
{


class TimerInvalid : public runtime_error, public domain_error 
{

public:
  TimerInvalid(const string& whatArg) : runtime_error(whatArg),  domain_error(whatArg)
  {
    cerr << "EXCEPTION Timer -> " << whatArg << endl;
  }
};




class TimerTimeOut : public exception
{

public:
  TimerTimeOut(const string & timer) : exception()
  {
    cout << "TimeOut from timer " << timer << endl;
  }
};






class Timer
{
private:

  string labl;
  // label of the timer (use to throw the exception).

  long int timeOut; 
  // User time  after which an exception should be thrown
  // (millisecond) if timeOut = -1, the timer is not activated

public:

  Timer(const string & label, long int delay);

  void checkTimeOut();


  bool activated() const { return timeOut != -1; }


  long int getTime() const;

};


class TimerFactory
{

private:
  static TimerFactory * _instance;
  map<string,Timer *> timers;

protected:
  TimerFactory(){}


public:
  static TimerFactory * Instance();

  void checkTimeOut();

  void createTimer(const string & label, long int delay);

  void stopTimer(const string & label);

  long int getTime(const string & label) const { return timers.find(label)->second->getTime(); }

 
};

};

};
#endif