HGCTriggerDetId.h

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#ifndef DataFormats_ForwardDetId_HGCTriggerDetId_H
#define DataFormats_ForwardDetId_HGCTriggerDetId_H 1

#include <iosfwd>
#include "DataFormats/DetId/interface/DetId.h"
#include "DataFormats/ForwardDetId/interface/ForwardSubdetector.h"


class HGCTriggerDetId : public DetId {
  
  // |   DetId           | HGCTriggerDetId 
  // | 1111     | 111    | 1     | 11111 | 111111 | 111111 | 1111111
  // | detector | subdet | zside | layer | sector | mod    | cell
  // | 15       | 7      | 2     | 31    |  64    | 64     | 127

  const static uint32_t cell_shift = 0;
  const static uint32_t cell_mask = 0x7F;
  const static uint32_t module_mask = 0x3F; 
  const static uint32_t module_shift = 7;
  const static uint32_t sector_shift = 13;
  const static uint32_t sector_mask = 0x3F;
  const static uint32_t layer_shift = 19;
  const static uint32_t layer_mask = 0x1F;
  const static uint32_t zside_shift = 24;
  const static uint32_t zside_mask = 0x1;

  const inline int getMaskedId(const uint32_t &shift, const uint32_t &mask) const  { return (id_ >> shift) & mask ; }
  inline void setMaskedId( const uint32_t value, const uint32_t &shift, const uint32_t &mask ){ id_|= ((value & mask ) <<shift ); }

public:
  // undefined cell, for module det id
  const static uint32_t UndefinedCell() { return cell_mask ; }


  enum { Subdet=HGCTrigger};
  HGCTriggerDetId();
  virtual ~HGCTriggerDetId(){}
  HGCTriggerDetId(uint32_t rawid);
  HGCTriggerDetId(ForwardSubdetector subdet, int zp, int lay, int sector, int mod, int cell);
  HGCTriggerDetId(const DetId& id);
  HGCTriggerDetId& operator=(const DetId& id);
  
  //HGCTriggerDetId geometryCell () const {return HGCTriggerDetId (subdet(), zside(), layer(), sector(), 0, 0);}

  ForwardSubdetector subdet() const { return HGCTrigger; }

  int cell() const { return getMaskedId(cell_shift,cell_mask); }

  int sector() const { return getMaskedId(sector_shift,sector_mask); }

  int module() const { return getMaskedId(module_shift,module_mask); }

  int layer() const { return getMaskedId(layer_shift,layer_mask); }

  int zside() const { return ( getMaskedId(zside_shift,zside_mask) ? 1 : -1); }

  bool isEE()      const { return true; }
  bool isForward() const { return true; }
  
  static const HGCTriggerDetId Undefined;
  
};

std::ostream& operator<<(std::ostream&,const HGCTriggerDetId& id);


#endif