NTupleAlgorithm.h

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* (c) Copyright 1998-2024 CERN for the benefit of the LHCb and ATLAS collaborations *
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* This software is distributed under the terms of the Apache version 2 licence,     *
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#ifndef HISTOGRAMS_NTupleAlgorithm_H
#define HISTOGRAMS_NTupleAlgorithm_H 1
 
// Include files
#include <GaudiKernel/Algorithm.h>
#include <GaudiKernel/NTuple.h>
 
// Forward declarations
 
class NTupleAlgorithm : public Algorithm {
 
public:
  // Constructor of this form must be provided
  NTupleAlgorithm( const std::string& name, ISvcLocator* pSvcLocator );
 
  // Three mandatory member functions of any algorithm
  StatusCode initialize() override;
  StatusCode execute() override;
  StatusCode finalize() override;
 
private:
  NTuple::Tuple* m_tuple1 = nullptr;
  NTuple::Tuple* m_tuple2 = nullptr;
 
  NTuple::Item<long>  m_ntrk;
  NTuple::Item<float> m_energy;
  // Items for the column wise n-tuple
  NTuple::Array<long>  m_iNumbers;
  NTuple::Array<float> m_fNumbers;
  NTuple::Item<long>   m_n;
};
 
#endif // HISTOGRAMS_NTupleAlgorithm_H