TgcRdoIdHash.h

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/*
  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef MUONRDO_TGCRDOIDHASH_H
#define MUONRDO_TGCRDOIDHASH_H
 
#include <map>
#include <vector>
#include <inttypes.h>
 
/*
  Hash function for TGC RDO Identifier
    @author Tadashi Maeno
       based on RpcPadIdHash by Ketevi A. Assamagan
*/
class TgcRdoIdHash
{
public:
 
  typedef uint16_t ID; 
 
  TgcRdoIdHash ();
  virtual ~TgcRdoIdHash() {}

  int operator() (const ID& id) const ;
  
  int max() const {return m_size;} 

  ID identifier(int i) const;   

  uint16_t subDetectorId(int i) const;
  uint16_t rodId(int i) const;
 
  // return value definition
  enum {INVALID_ID = 0xFFFF};
 
 private:
  int m_size;

  std::map<ID,int>  m_lookup;
 
  std::vector<ID>  m_int2id;
 
  std::vector<uint16_t> m_int2subDetectorId;
  std::vector<uint16_t> m_int2rodId;
};
 
#endif