randomNumberManager.h

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#ifndef RANDOMNUMBER_MANAGER_INCLUDED
#define RANDOMNUMBER_MANAGER_INCLUDED

#include "randomNumbers.h"

#include "IO/bridgeIO.h"
using Bridge::vout;


class RandomNumberManager
{
 public:
  static const std::string class_name;

 protected:
  Bridge::VerboseLevel m_vl;

 public:

  RandomNumberManager()
    : m_vl(CommonParameters::Vlevel()) {}

  virtual ~RandomNumberManager() {}

  // class methods
  static RandomNumbers *getInstance();

  static bool initialize(const std::string& rng_type, unsigned long seed);
  static void finalize();

  static void reset(unsigned long seed);

  static void restore_state(const std::string& filename);
  static void save_state(const std::string& filename);

  // factory
  static RandomNumbers *New(const std::string& rng_type, unsigned long seed);

 private:
  // non-copyable
  RandomNumberManager(const RandomNumberManager&);
  RandomNumberManager& operator=(const RandomNumberManager&);

 public:
  void set_parameter_verboselevel(const Bridge::VerboseLevel vl) { m_vl = vl; }

 private:
  static RandomNumbers *s_rand;

  static RandomNumbers *factory(const std::string& rng_type, unsigned long seed);
};
#endif