WeightManager.h

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#ifndef WEIGHTMANAGER_H
#define WEIGHTMANAGER_H

#include "art/Framework/Principal/Event.h"
#include "art/Framework/Principal/Handle.h"
#include "art/Framework/Principal/Run.h"
#include "art/Framework/Principal/SubRun.h"
#include "art/Framework/Principal/Handle.h"
#include "art/Framework/Services/Registry/ServiceHandle.h"
#include "art/Framework/Services/Registry/ActivityRegistry.h"
#include "art/Framework/Services/Registry/ServiceMacros.h"
#include "art/Framework/Services/Optional/RandomNumberGenerator.h"
#include "art/Framework/Core/EngineCreator.h"
#include "canvas/Utilities/InputTag.h"
#include "nutools/RandomUtils/NuRandomService.h"
#include "lardataobj/Simulation/sim.h"
#include "canvas/Persistency/Common/Assns.h"
#include "fhiclcpp/ParameterSet.h"
#include "messagefacility/MessageLogger/MessageLogger.h"

#include "Weight_t.h"
#include "MCEventWeight.h"
#include "WeightCalc.h"
#include "WeightCalcFactory.h"

namespace evwgh {
  class WeightManager {

  public:
    
    WeightManager(const std::string name="WeightManager");
    
    ~WeightManager(){}

    const std::string& Name() const;

    size_t Configure(fhicl::ParameterSet const & cfg, art::EngineCreator & ec);

    MCEventWeight Run(art::Event &e, const int inu);

    std::map<std::string, Weight_t*> GetWeightCalcMap() { return fWeightCalcMap; }

    void Reset()
    { _configured = false; }

    void PrintConfig();


  private:

    std::map<std::string, Weight_t*> fWeightCalcMap; 

    bool _configured = false; 

    std::string _name; 

  };
}

#endif