RichGeo_service.h

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// Copyright (C) 2022, 2023, Christopher Dilks
// Subject to the terms in the LICENSE file found in the top-level directory.
 
#pragma once
 
#include <DD4hep/Detector.h>
#include <DDRec/CellIDPositionConverter.h>
// JANA
#include <JANA/JApplicationFwd.h>
#include <JANA/JServiceFwd.h>
#include <spdlog/logger.h>
#include <map>
#include <memory>
#include <mutex>
#include <string>
 
#include "ActsGeo.h"
#include "IrtGeo.h"
#include "ReadoutGeo.h"
 
class RichGeo_service : public JService {
public:
  RichGeo_service(JApplication* /* app */) {}
  virtual ~RichGeo_service();
 
  // return pointer to the main DD4hep Detector
  virtual const dd4hep::Detector* GetDD4hepGeo() { return m_dd4hepGeo; };
 
  // return pointers to geometry bindings; initializes the bindings upon the first time called
  virtual richgeo::IrtGeo* GetIrtGeo(std::string detector_name);
  virtual const richgeo::ActsGeo* GetActsGeo(std::string detector_name);
  virtual std::shared_ptr<richgeo::ReadoutGeo> GetReadoutGeo(std::string detector_name,
                                                             std::string readout_class);
 
private:
  RichGeo_service() = default;
  void acquire_services(JServiceLocator*) override;
 
  std::mutex m_init_lock;
  std::map<std::string, std::once_flag> m_init_irt;
  std::map<std::string, std::once_flag> m_init_acts;
  std::map<std::string, std::once_flag> m_init_readout;
 
  const dd4hep::Detector* m_dd4hepGeo                     = nullptr;
  const dd4hep::rec::CellIDPositionConverter* m_converter = nullptr;
  richgeo::IrtGeo* m_irtGeo                               = nullptr;
  richgeo::ActsGeo* m_actsGeo                             = nullptr;
  std::shared_ptr<richgeo::ReadoutGeo> m_readoutGeo;
 
  std::shared_ptr<spdlog::logger> m_log;
};