SiStripDetKey.h

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#ifndef DataFormats_SiStripCommon_SiStripDetKey_h
#define DataFormats_SiStripCommon_SiStripDetKey_h

#include "DataFormats/SiStripCommon/interface/ConstantsForGranularity.h"
#include "DataFormats/SiStripCommon/interface/SiStripKey.h"
#include "DataFormats/SiStripDetId/interface/SiStripDetId.h"

class SiStripDetKey : public SiStripKey {
  
 public:

  // ---------- Constructors ----------

  SiStripDetKey( const uint16_t& partition );

  SiStripDetKey( const DetId& det_id,
                 const uint16_t& apv_pair_number = 0,
                 const uint16_t& apv_within_pair = 0 );
  
  SiStripDetKey( const SiStripDetId& det_id );
  
  SiStripDetKey( const uint32_t& det_key );
  
  SiStripDetKey( const std::string& directory_path );

  SiStripDetKey( const SiStripDetKey& );

  SiStripDetKey( const SiStripKey& );
  
  SiStripDetKey( const SiStripKey&,
                 const sistrip::Granularity& );

  SiStripDetKey();
  
  // ---------- Public interface to member data ----------
  
  inline const uint16_t& partition() const;
  
  inline const uint16_t& apvPairNumber() const;
  
  inline const uint16_t& apvWithinPair() const;
  
  // ---------- Numbering schemes ---------- 
  
  //@@ nothing yet
  //@@ switch b/w det_id and det_key
  //@@ switch b/w strip, pair, apv, etc...

  // ---------- Utility methods ---------- 

  bool isEqual( const SiStripKey& ) const override;
  
  bool isConsistent( const SiStripKey& ) const override;
  
  bool isValid() const override;
  
  bool isValid( const sistrip::Granularity& ) const override;
  
  bool isInvalid() const override;
  
  bool isInvalid( const sistrip::Granularity& ) const override;

  // ---------- Print methods ----------
  
  void print( std::stringstream& ss ) const override;
  
  void terse( std::stringstream& ss ) const override;
  
 private: 

  // ---------- Private methods ----------

  void initFromValue() override;
  void initFromKey() override;
  void initFromPath() override;
  void initGranularity() override;
  
  // ---------- Private member data ----------

  uint16_t partition_;

  uint16_t apvPairNumber_;

  uint16_t apvWithinPair_; 
  
  // Definition of bit field positions for 32-bit key 
  static const uint16_t partitionOffset_ = 29;

  // Definition of bit field masks for 32-bit key 
  static const uint16_t partitionMask_ = 0x07; // (3 bits)
  
};

// ---------- inline methods ----------

const uint16_t& SiStripDetKey::partition() const { return partition_; }
const uint16_t& SiStripDetKey::apvPairNumber() const { return apvPairNumber_; }
const uint16_t& SiStripDetKey::apvWithinPair() const { return apvWithinPair_; }

std::ostream& operator<< ( std::ostream&, const SiStripDetKey& );

inline bool operator< ( const SiStripDetKey& a, const SiStripDetKey& b ) { return ( a.key() < b.key() ); }


#endif // DataFormats_SiStripCommon_SiStripDetKey_h