CaloID.h

Go to the documentation of this file.

#ifndef DataFormats_CaloRecHit_CaloID_h
#define DataFormats_CaloRecHit_CaloID_h
 
#include <iosfwd>
 
namespace reco {
 
  class CaloID {
  public:
    enum Detectors {
      DET_ECAL_BARREL = 0,
      DET_ECAL_ENDCAP,
      DET_PS1,
      DET_PS2,
      DET_HCAL_BARREL,
      DET_HCAL_ENDCAP,
      DET_HF,
      DET_HF_EM,
      DET_HF_HAD,
      DET_HO,
      DET_HGCAL_ENDCAP,
      DET_NONE
    };
 
    CaloID() : detectors_(0) {}
 
    CaloID(Detectors det) : detectors_(0) { setDetector(det, true); }
 
    virtual ~CaloID() {}
 
    void setDetector(CaloID::Detectors theDetector, bool value);
 
    unsigned detectors() const { return detectors_; }
 
    bool detector(CaloID::Detectors theDetector) const;
 
    bool isSingleDetector() const {
      // check that detectors_ is a power of 2
      return static_cast<bool>(detectors_ && !((detectors_ - 1) & detectors_));
    }
 
    Detectors detector() const;
 
    CaloID& operator=(const CaloID& rhs) {
      detectors_ = rhs.detectors_;
      return *this;
    }
 
    friend std::ostream& operator<<(std::ostream& out, const CaloID& id);
 
  private:
    int leastSignificantBitPosition(unsigned n) const;
 
    unsigned detectors_;
  };
 
  std::ostream& operator<<(std::ostream& out, const CaloID& id);
 
}  // namespace reco
 
#endif