AthEventCounter.h

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/*
  Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
*/
 
// AthEventCounter.h
// Header file for class AthEventCounter
// Author: S.Binet<binet@cern.ch>
#ifndef GAUDISEQUENCER_ATHEVENTCOUNTER_H
#define GAUDISEQUENCER_ATHEVENTCOUNTER_H
 
#include "AthenaBaseComps/AthReentrantAlgorithm.h"
#include "Gaudi/Property.h"
#include <atomic>
 
class AthEventCounter : public AthReentrantAlgorithm 
{
public:
 
  using AthReentrantAlgorithm::AthReentrantAlgorithm;
  ~AthEventCounter( ) = default;
 
  /*****************************
   ** Public Function Members **
   *****************************/
 
  StatusCode initialize();
  StatusCode execute(const EventContext& ctx) const ;
  StatusCode finalize();
 
private:
 
  /**************************
   ** Private Data Members **
   **************************/

  Gaudi::Property<int> m_frequency{this, "Frequency", 1,
      "The frequency with which the number of events should be "
      "reported. The default is 1, corresponding to every event" };

  mutable std::atomic<int> m_total{0};
};
 
#endif // GAUDISEQUENCER_ATHEVENTCOUNTER_H