LArSamplesMon/LArSamplesMon/ClassCounts.h

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/*
  Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
*/

 
#ifndef LArSamples_ClassCounts_H
#define LArSamples_ClassCounts_H
 
#include "TString.h"
#include <map>
#include "CxxUtils/checker_macros.h"
 
namespace LArSamples {
  
  class ATLAS_NOT_THREAD_SAFE ClassCounts {
  
    public:
   
     ClassCounts(const TString& name);
      
     virtual ~ClassCounts();
 
     const TString& className() const { return m_className; }
     static std::map<TString, int>& counts();
 
     void incrementInstanceCount() const { incrementInstanceCount(className()); }
     void decrementInstanceCount() const { decrementInstanceCount(className()); }
 
     static void incrementInstanceCount(const TString& name) { counts()[name]++; }
     static void decrementInstanceCount(const TString& name) { counts()[name]--; }
     
     int instanceCount() const { return instanceCount(className()); }
     static int instanceCount(const TString& name) { return m_counts ? (*m_counts)[name] : 0; }
          
     static void printCountsTable();
     
    private:
      
     TString m_className;      
     static std::map<TString, int>* m_counts;
  };
}
#endif