UniqueIdGenerator.h

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// Copyright (c) 2002-present, OpenMS Inc. -- EKU Tuebingen, ETH Zurich, and FU Berlin
// SPDX-License-Identifier: BSD-3-Clause
//
// --------------------------------------------------------------------------
// $Maintainer: Timo Sachsenberg $
// $Authors: $
// --------------------------------------------------------------------------
 
#pragma once
 
#include <OpenMS/CONCEPT/Types.h>
 
#include <random>
#include <string>
 
 
namespace OpenMS
{
 
  class DateTime;
 
  class OPENMS_DLLAPI UniqueIdGenerator
  {
 
public:
 
    static UInt64 getUniqueId();
 
    static std::string getUUID();
 
    static void setSeed(const UInt64);
 
    static UInt64 getSeed();
 
protected:
    UniqueIdGenerator();
    ~UniqueIdGenerator();
 
private:
    static UInt64 seed_;
    static UniqueIdGenerator* instance_;
    static std::mt19937_64* rng_;
 
    static UniqueIdGenerator& getInstance_();
    void init_();
    UniqueIdGenerator(const UniqueIdGenerator& );//protect from c++ auto-generation
  };
 
} // namespace OpenMS