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

// Forward declarations
template <class TYPE> class SvcFactory;
namespace { template <class P, class S> class Factory; }

class IRndmGenFactory;
class IMessageSvc;
class IFactory;


class RndmGenSvc : public Service, virtual public IRndmGenSvc, virtual public IRndmEngine, virtual public ISerialize  {
private:
  friend class Factory<RndmGenSvc,IService* (std::string,ISvcLocator *)>;
  mutable IRndmEngine* m_engine;
  mutable ISerialize*  m_serialize;
  std::string          m_engineName;
public:
  RndmGenSvc(const std::string& name, ISvcLocator* svc);
  virtual ~RndmGenSvc();
public:
  StatusCode queryInterface(const InterfaceID& riid, void** ppvInterface);
  virtual StatusCode initialize();
  virtual StatusCode finalize();

  virtual StreamBuffer& serialize(StreamBuffer& str);
  virtual StreamBuffer& serialize(StreamBuffer& str) const;
  virtual IRndmEngine* engine();
  virtual StatusCode generator(const IRndmGen::Param& par, IRndmGen*& refpGen);
  virtual double rndm() const;
  virtual StatusCode rndmArray( std::vector<double>& array, long howmany, long start = 0) const;
  virtual StatusCode setSeeds(const std::vector<long>& seeds);
  virtual StatusCode seeds(std::vector<long>& seeds)  const;
};
 
#endif // GAUDI_RANDOMGENSVC_RNDMGENSVC_H