RunIndex.h

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#ifndef FWCore_Utilities_RunIndex_h
#define FWCore_Utilities_RunIndex_h
// -*- C++ -*-
//
// Package:     FWCore/Utilities
// Class  :     edm::RunIndex
//
//
// Original Author:  Chris Jones
//         Created:  Fri, 26 Apr 2013 19:38:56 GMT
//
 
// system include files
 
// user include files
 
// forward declarations
namespace edm {
  class RunPrincipal;
 
  class RunIndex {
  public:
    ~RunIndex() = default;
    RunIndex(const RunIndex&) = default;
    RunIndex& operator=(const RunIndex&) = default;
 
    // ---------- const member functions ---------------------
    bool operator==(const RunIndex& iIndex) const { return value() == iIndex.value(); }
    operator unsigned int() const { return value_; }
 
    unsigned int value() const { return value_; }
 
    static RunIndex invalidRunIndex();
 
  private:
    friend class RunPrincipal;
    explicit RunIndex(unsigned int iIndex) : value_(iIndex) {}
 
    RunIndex() = delete;
 
    // ---------- member data --------------------------------
    unsigned int value_;
 
    static const unsigned int invalidValue_;
  };
}  // namespace edm
 
#endif