UniqueIdGenerator.h

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// $Maintainer: Timo Sachsenberg $
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#ifndef OPENMS_CONCEPT_UNIQUEIDGENERATOR_H
#define OPENMS_CONCEPT_UNIQUEIDGENERATOR_H

#include <OpenMS/CONCEPT/Types.h>
#include <OpenMS/DATASTRUCTURES/Param.h>

#include <boost/random/mersenne_twister.hpp>
#include <boost/random/variate_generator.hpp>
#include <boost/random/uniform_int.hpp>


namespace OpenMS
{

  class DateTime;

  class OPENMS_DLLAPI UniqueIdGenerator
  {

public:

    static UInt64 getUniqueId();

    static void setSeed(const UInt64);

    static UInt64 getSeed();

protected:
    UniqueIdGenerator();
    ~UniqueIdGenerator();

private:
    static UInt64 seed_;
    static UniqueIdGenerator* instance_;
    static boost::mt19937_64* rng_;
    static boost::uniform_int<UInt64>* dist_;

    static UniqueIdGenerator& getInstance_();
    void init_();
    UniqueIdGenerator(const UniqueIdGenerator& );//protect from c++ auto-generation
  };

} // namespace OpenMS

#endif  // OPENMS_CONCEPT_UNIQUEIDGENERATOR_H