Reconstruction/MdcPatRec/TrkBase/include/TrkBase/TrkDetElemId.h

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//--------------------------------------------------------------------------
// File and Version Information:
//  $Id: TrkDetElemId.h,v 1.1.1.1 2005/04/21 06:01:42 zhangy Exp $
//
// Description:
//  Class TrkDetElemId
//
// Environment:
//  Software developed for BaBar expirment @ SLAC B-Factory
//
// Author List:
//      Eric A Charles
//
// Copyright Information:
//  Copyright (C) 1998  Univ. Wisconsin-Madsion
//
//------------------------------------------------------------------------
 
#ifndef TRKDETELEMID_HH
#define TRKDETELEMID_HH
 
//-------------
// C Headers --
//-------------
extern "C" {}
 
//---------------
// C++ Headers --
//---------------
 
#include <iostream>
 
//      ---------------------
//      -- Class Interface --
//      ---------------------
 
class TrkDetElemId {
 
  //------------------
  // Static Members --
  //------------------
 
public:
  // Typedefs, consts, and enums
  enum systemIndex { null = 0, svt = 1, mdc = 2 };
 
  // functions
  static int calcValue( const int& id, TrkDetElemId::systemIndex sysInd );
 
private:
  static const int svtOffset;
  static const int mdcOffset;
  static const int nullElemID;
 
  //--------------------
  // Instance Members --
  //--------------------
 
public:
  // Constructors
  TrkDetElemId( const int& id, TrkDetElemId::systemIndex sysInd );
 
  // Copy Constructor
  TrkDetElemId( const TrkDetElemId& );
 
  // Destructor
  virtual ~TrkDetElemId();
 
  // Operators
 
  TrkDetElemId& operator=( const TrkDetElemId& );
 
  bool operator==( const TrkDetElemId& rhs ) const { return elemId() == rhs.elemId(); }
  bool operator<( const TrkDetElemId& rhs ) const { return elemId() < rhs.elemId(); }
 
  // Selectors (const)
  int elemId() const { return calcValue( _id, _sysInd ); };
 
  const int& systemElemId() const { return _id; }
 
  const TrkDetElemId::systemIndex& sysInd() const { return _sysInd; }
 
  void printAll( std::ostream& os = std::cout ) const;
 
private:
  // Data members
  int                       _id;
  TrkDetElemId::systemIndex _sysInd;
};
 
std::ostream& operator<<( std::ostream& os, const TrkDetElemId& id );
 
// Inline implementations
// #include "TrkDetElemId.icc"
 
#endif