EventLibraryInterface.h

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//____________________________________________________________________________
/*!
 
\class    genie::evtlib::EventLibraryInterface
 
\brief    Reads pre-generated events produced by an external generator.
          On an event-by-event basis, it can accept GENIE input specifying
          the neutrino and target IDs and neutrino energy and, therefore,
          it can re-use the upstream GENIE flux and geometry tools.
 
\author   
 
\created  February 28, 2020
 
\cpright  Copyright (c) 2003-2025, The GENIE Collaboration
          For the full text of the license visit http://copyright.genie-mc.org        
*/
//____________________________________________________________________________
 
#ifndef _EVENT_LIBRARY_INTERFACE_H_
#define _EVENT_LIBRARY_INTERFACE_H_
 
#include "Tools/EvtLib/Key.h"
class IEvtLibRecordList;
 
#include "Framework/EventGen/EventRecordVisitorI.h"
#include "Framework/Interaction/Kinematics.h"
 
#include "TVector3.h"
#include "TFile.h"
 
#include <map>
 
namespace genie {
 
class Interaction;
 
namespace evtlib {
 
class IEvtLibRecordList;
class EvtLibRecord;
 
class EventLibraryInterface: public EventRecordVisitorI {
 
public:
  EventLibraryInterface();
  EventLibraryInterface(string config);
 ~EventLibraryInterface();
 
  // implement the EventRecordVisitorI interface
  void ProcessEventRecord (GHepRecord * event) const override ;
 
  // overload the Algorithm::Configure() methods to load private data
  // members from configuration options
  void Configure(const Registry & config) override ;
  void Configure(string config) override ;
 
 protected:
 
  const EvtLibRecord* GetRecord(const Interaction* interaction) const;
 
  void LoadRecords();
  void Cleanup();
 
  void FillKinematics( const GHepRecord &,
                       genie::Kinematics & kine,
                       int primary_lep_id ) const ;
 
private:
 
  std::map<Key, const IEvtLibRecordList*> fRecords;
  TFile* fRecordFile;
};
 
} // evtlib namespace
} // genie namespace
 
#endif // _EVENT_LIBRARY_INTERFACE_H_