/data/refman/pasoursint/CMSSW_5_3_1/src/PhysicsTools/MVAComputer/interface/AtomicId.h

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#ifndef PhysicsTools_MVAComputer_AtomicId_h
#define PhysicsTools_MVAComputer_AtomicId_h
// -*- C++ -*-
//
// Package:     MVAComputer
// Class  :     AtomicID
//

//
// Author:      Christophe Saout <christophe.saout@cern.ch>
// Created:     Sat Apr 24 15:18 CEST 2007
// $Id: AtomicId.h,v 1.4 2007/12/08 16:11:10 saout Exp $
//

#include <ostream>
#include <string>

namespace PhysicsTools {

class AtomicId {
    public:
        inline AtomicId() throw() : string(0) {}
        inline AtomicId(const AtomicId &orig) throw() : string(orig.string) {}
        inline AtomicId(const char *arg) throw() : string(lookup(arg)) {}
        inline AtomicId(const std::string &arg) throw() :
                string(lookup(arg.c_str())) {}
        inline ~AtomicId() throw() {}

        inline AtomicId &operator = (const AtomicId &orig) throw()
        { string = orig.string; return *this; }

        inline operator const char *() const throw()
        { return string; }

        inline operator bool() const throw()
        { return string != 0; }

        inline operator std::string() const throw()
        { return std::string(string); }

        inline bool operator == (const AtomicId &second) const throw() { return string == second.string; }
        inline bool operator != (const AtomicId &second) const throw() { return string != second.string; }
        inline bool operator <  (const AtomicId &second) const throw() { return string <  second.string; }
        inline bool operator <= (const AtomicId &second) const throw() { return string <= second.string; }
        inline bool operator >  (const AtomicId &second) const throw() { return string >  second.string; }
        inline bool operator >= (const AtomicId &second) const throw() { return string >= second.string; }

    private:
        static AtomicId build(const char *arg) throw() { AtomicId q; q.string = arg; return q; }
        static const char *lookup(const char *arg) throw();

        const char      *string;
};

inline std::ostream &operator << (std::ostream &os, const PhysicsTools::AtomicId &id)
{ return os << (const char*)id; }

} // namespace PhysicsTools

#endif // PhysicsTools_MVAComputer_AtomicId_h