ArtG4tkModelConfig.hh

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#ifndef artg4tk_DataProducts_G4ModelConfig_ArtG4tkModelConfig_hh
#define artg4tk_DataProducts_G4ModelConfig_ArtG4tkModelConfig_hh

#include <map>
#include <string>
#include <vector>

namespace fhicl {
  class ParameterSet;
}

namespace artg4tk {

  class ArtG4tkModelConfig {

  public:
    ArtG4tkModelConfig() : fDefaultPhysics(true) {}
    ArtG4tkModelConfig(const bool& flag) : fDefaultPhysics(flag) {}
    ArtG4tkModelConfig(const ArtG4tkModelConfig& rhs)
      : fDefaultPhysics(rhs.fDefaultPhysics), fModelConfig(rhs.fModelConfig)
    {}
    ~ArtG4tkModelConfig() {}

    void Fill(const fhicl::ParameterSet&);
    void Insert(const std::string&, const std::string&, const double&);

    bool
    IsDefaultPhysics() const
    {
      return fDefaultPhysics;
    }
    std::vector<std::string> GetConfiguredModels() const;
    const std::vector<std::pair<std::string, double>>* GetConfig(const std::string&) const;

    // Patch up dictionary generation.
    // NOTE(from GenParticle, by HW):
    // There is source in art::PtrVector that should be protected and gccxml trying to instantiate
    // it. Until that is fixed, we need to provide a an operator< or else the dictionary generation
    // fails. So we provide a bogus version here. This is never actually used but,if gccxml cannot
    // find the method, it quits.
    //
    bool
    operator<(const ArtG4tkModelConfig&) const
    {
      return true;
    }

  private:
    // private member functions
    //
    void DoFill(std::string&, std::string&, fhicl::ParameterSet&);

    // data members
    //
    bool fDefaultPhysics;
    //
    // NOTE-1(JVY): the reason of using this construct is because there's already
    //            a "standard" (Art's) dictionary for it (art/Persistency/StdDictionaries)
    //
    // NOTE-2(JVY): at present, only those parameters different from DEFAULTS will be stored
    //              although in the future we might consider a bit more extensive options
    //
    std::map<std::string, std::vector<std::pair<std::string, double>>> fModelConfig;
  };

}

#endif /* artg4tk_DataProducts_G4ModelConfig_ArtG4tkModelConfig_hh */