cache_metric.h

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// Author(s): Maurice Laveaux
// Copyright: see the accompanying file COPYING or copy at
// https://github.com/mCRL2org/mCRL2/blob/master/COPYING
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
 
#ifndef MCRL2_UTILITIES_CACHE_METRIC_H
#define MCRL2_UTILITIES_CACHE_METRIC_H
 
#include <cstddef>
#include <string>
 
namespace mcrl2
{
namespace utilities
{
 
class cache_metric
{
public:
  void hit() { ++m_hit_count; }
 
  void miss() { ++m_miss_count; }
 
  void reset()
  {
    m_hit_count = 0;
    m_miss_count = 0;
  }
 
  std::string message() const;
 
private:
  std::size_t m_hit_count = 0;
  std::size_t m_miss_count = 0;
 
};
 
} // namespace utilities
} // namespace mcrl2
 
 
#endif // MCRL2_UTILITIES_CACHE_METRIC_H