RndmGenSvc.h

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//====================================================================
//  Random Generator service definition
//--------------------------------------------------------------------
//
//  Package    : Gaudi/RndmGen ( The LHCb Offline System)
//  Author     : M.Frank
//====================================================================
#ifndef GAUDI_RANDOMGENSVC_RNDMGENSVC_H
#define GAUDI_RANDOMGENSVC_RNDMGENSVC_H 1

// STL include files
#include <vector>

// Framework include files
#include "GaudiKernel/IRndmEngine.h"
#include "GaudiKernel/IRndmGen.h"
#include "GaudiKernel/IRndmGenSvc.h"
#include "GaudiKernel/ISerialize.h"
#include "GaudiKernel/Service.h"

// Forward declarations
class IRndmGenFactory;
class IMessageSvc;

class RndmGenSvc : public extends<Service, IRndmGenSvc, IRndmEngine, ISerialize>
{
private:
  mutable SmartIF<IRndmEngine> m_engine;
  mutable SmartIF<ISerialize> m_serialize;

  Gaudi::Property<std::string> m_engineName{this, "Engine", "HepRndm::Engine<CLHEP::RanluxEngine>", "engine name"};

public:
  // inherits constructor from base class
  using extends::extends;
  ~RndmGenSvc() override = default;

public:
  StatusCode initialize() override;
  StatusCode finalize() override;
  StreamBuffer& serialize( StreamBuffer& str ) override;
  StreamBuffer& serialize( StreamBuffer& str ) const override;
  IRndmEngine* engine() override;
  StatusCode generator( const IRndmGen::Param& par, IRndmGen*& refpGen ) override;
  double rndm() const override;
  StatusCode rndmArray( std::vector<double>& array, long howmany, long start = 0 ) const override;
  StatusCode setSeeds( const std::vector<long>& seeds ) override;
  StatusCode seeds( std::vector<long>& seeds ) const override;
};

#endif // GAUDI_RANDOMGENSVC_RNDMGENSVC_H