EvtGenInputModule.h

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
 
#pragma once
 
#include <generators/modules/GeneratorBaseModule.h>
#include <generators/evtgen/EvtGenInterface.h>
#include <generators/utilities/InitialParticleGeneration.h>
#include <framework/dataobjects/MCInitialParticles.h>
 
#include <string>
#include <utility>
 
namespace Belle2 {

  class EvtGenInputModule : public GeneratorBaseModule {
 
  public:

    EvtGenInputModule();

    virtual ~EvtGenInputModule() {}

    virtual void generatorInitialize() override;

    virtual void beginRun() override;

    virtual void generatorEvent() override;
 
  protected:

    MCInitialParticles  createBeamParticle(double minMass = 0.0,
                                           double maxMass = std::numeric_limits<double>::infinity());
 
    EvtGenInterface m_Ievtgen;  
    std::string m_userDECFileName; 
    std::string m_DECFileName;     
    std::string m_parentParticle;  
    int m_inclusiveType;        
    bool m_coherentMixing = true;        
    std::string m_inclusiveParticle; 
    int m_maxTries; 
    EvtId m_parentId; 
 
  private:

    void initializeGenerator();
 
    bool m_initialized{false}; 
    DBObjPtr<BeamParameters> m_beamParams; 
 
    InitialParticleGeneration m_initial; 
  };

} // end namespace Belle2