ParticleSvc.h

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// SPDX-License-Identifier: LGPL-3.0-or-later
// Copyright (C) 2024 Wouter Deconinck
 
#pragma once
 
#include <algorithms/service.h>
#include <map>
#include <memory>
#include <string>
 
namespace algorithms {
 
class ParticleSvc : public Service<ParticleSvc> {
public:
  struct ParticleData {
    int pdgCode;
    int charge;
    double mass;
    std::string name;
  };
  using Particle    = ParticleData;
  using ParticleMap = std::map<int, Particle>;
 
public:
  virtual void init(std::shared_ptr<ParticleMap> map = nullptr);
 
  virtual std::shared_ptr<ParticleMap> particleMap() const { return m_particleMap; };
 
  virtual Particle& particle(int pdg) const;
 
protected:
  std::shared_ptr<ParticleMap> m_particleMap{nullptr};
 
  ALGORITHMS_DEFINE_SERVICE(ParticleSvc)
 
private:
  static const ParticleMap& getDefaultParticleMap();
};
 
} // namespace algorithms