IRndmGen.h

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// $Header: /tmp/svngaudi/tmp.jEpFh25751/Gaudi/GaudiKernel/GaudiKernel/IRndmGen.h,v 1.5 2008/10/27 19:22:20 marcocle Exp $
#ifndef GAUDIKERNEL_IRNDMGEN_H
#define GAUDIKERNEL_IRNDMGEN_H

// STL include files
#include <string>
#include <vector>

// Framework include files
#include "GaudiKernel/IInterface.h"

// Declaration of the interface ID ( interface id, major version, minor version)
static const InterfaceID IID_IRndmBit(150, 1, 0);
static const InterfaceID IID_IRndmFlat(151, 1, 0);
static const InterfaceID IID_IRndmChi2(152, 1, 0);
static const InterfaceID IID_IRndmGamma(153, 1, 0);
static const InterfaceID IID_IRndmGauss(154, 1, 0);
static const InterfaceID IID_IRndmLandau(155, 1, 0);
static const InterfaceID IID_IRndmPoisson(156, 1, 0);
static const InterfaceID IID_IRndmStudentT(157, 1, 0);
static const InterfaceID IID_IRndmBinomial(158, 1, 0);
static const InterfaceID IID_IRndmExponential(159, 1, 0);
static const InterfaceID IID_IRndmBreitWigner(160, 1, 0);
static const InterfaceID IID_IRndmBreitWignerCutOff(161, 1, 0);
static const InterfaceID IID_IRndmDefinedPdf(162, 1, 0);
static const InterfaceID IID_IRndmGaussianTail(163, 1, 0);


class GAUDI_API IRndmGen: virtual public IInterface {
public:
  DeclareInterfaceID(IRndmGen,2,0);

  class Param {
  protected:
    const InterfaceID  m_type;
  public:
    Param( const InterfaceID& type = IID_IRndmFlat ) : m_type(type) {}
    virtual ~Param() {}
    virtual const InterfaceID& type() const { return m_type; }
    virtual Param* clone() const = 0;
  };

  virtual StatusCode initialize(const IRndmGen::Param& par) = 0;
  virtual StatusCode finalize() = 0;
  virtual const InterfaceID& type() const = 0;
  virtual long ID() const = 0;
  virtual const IRndmGen::Param* parameters() const = 0;
  virtual double shoot() const = 0;
  virtual StatusCode shootArray( std::vector<double>& array, long howmany, long start = 0) const = 0;

  virtual ~IRndmGen() {}

};

#endif // GAUDIKERNEL_IRNDMGEN_H