/*
 * WorldTime.hpp
 *
 *  Created on: Feb 7, 2011
 *      Author: heber
 */

#ifndef WORLDTIME_HPP_
#define WORLDTIME_HPP_

// include config.h
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "CodePatterns/Singleton.hpp"

class WorldTimeTest;

class WorldTime : public Singleton<WorldTime>
{
  //!> unit test should be friend to access private variables
  friend class WorldTimeTest;

  //!> Make access to constructor and destructor possible from inside the singleton
  friend class Singleton<WorldTime>;

public:

  /** Setter for CurrentTime.
   *
   * @param _step value to set CurrentTime to
   */
  void setTime(int _step);
  /** Getter for CurrentTime.
   *
   * @return CurrentTime
   */
  int getTime() const;

  /** Setter for StepWidth.
   *
   * @param _step value to set StepWidth to
   */
  void setStepWidth(double _width);
  /** Getter for StepWidth.
   *
   * @return StepWidth
   */
  double getStepWidth() const;

private:
  int CurrentTime;  //!< contains current time step
  double StepWidth; //!< contains width of one time step in atomic units

protected:
  /**
   * private constructor to ensure creation of the world using
   * the singleton pattern.
   */
  WorldTime();

  /**
   * private destructor to ensure destruction of the world using the
   * singleton pattern.
   */
  ~WorldTime();

};

#endif /* WORLDTIME_HPP_ */