VariablesToNtupleModule.h

/*************************************************************************
* BASF2 (Belle Analysis Framework 2)                                     *
* Copyright(C) 2013-2018 Belle II Collaboration                          *
*                                                                        *
* Author: The Belle II Collaboration                                     *
* Contributors: Christian Pulvermacher                                   *
*               Thomas Keck                                              *
*               Simon Wehle                                              *
*               Sam Cunliffe                                             *
*                                                                        *
* This software is provided "as is" without any warranty.                *
**************************************************************************/
 
#pragma once
 
#include <framework/core/Module.h>
#include <analysis/VariableManager/Manager.h>
#include <framework/datastore/StoreObjPtr.h>
#include <framework/dataobjects/EventMetaData.h>
#include <framework/pcore/RootMergeable.h>
 
#include <TTree.h>
#include <TFile.h>
 
#include <string>
 
namespace Belle2 {
  class VariablesToNtupleModule : public Module {
  public:
    VariablesToNtupleModule();
 
    virtual void initialize() override;
    virtual void event() override;
    virtual void terminate() override;
 
  private:
    float getInverseSamplingRateWeight(const Particle* particle);
 
    std::string m_particleList;
    std::vector<std::string> m_variables;
    std::string m_fileName;
    std::string m_treeName;
 
    std::shared_ptr<TFile> m_file{nullptr};
    StoreObjPtr<RootMergeable<TTree>> m_tree;
    // Counter branch addresses (event number, candidate number etc)
    int m_event{ -1};                
    int m_run{ -1};                  
    int m_experiment{ -1};           
    int m_candidate{ -1};            
    unsigned int m_ncandidates{0};   
    std::vector<double> m_branchAddresses;
    std::vector<Variable::Manager::FunctionPtr> m_functions;
 
    std::tuple<std::string, std::map<int, unsigned int>> m_sampling;
    std::string m_sampling_name;
    std::map<int, unsigned int> m_sampling_rates;
 
    const Variable::Manager::Var* m_sampling_variable{nullptr}; 
    std::map<int, unsigned long int> m_sampling_counts; 
    StoreObjPtr<EventMetaData> m_eventMetaData; 
  };
} // end namespace Belle2