#ifndef ROOT_TUniqueString
#define ROOT_TUniqueString

#include <sstream>

#include "TMutex.h"
#include "TString.h"
#include "TUUID.h"

class TUniqueString {
 public:
  static TString Unique() {
    std::stringstream sstream;
    sstream << "__unique_" << uuid.AsString() << "_" << counter;
    mutex.Lock();
    counter++;
    mutex.UnLock();
    return TString(sstream.str());
  }

 private:
  static TUUID      uuid;
  static TMutex     mutex;
  static unsigned   counter; 
};


#endif