Gabriele Cosmo
140 lines
4.9 KiB
C++
140 lines
4.9 KiB
C++
//
|
|
// ********************************************************************
|
|
// * License and Disclaimer *
|
|
// * *
|
|
// * The Geant4 software is copyright of the Copyright Holders of *
|
|
// * the Geant4 Collaboration. It is provided under the terms and *
|
|
// * conditions of the Geant4 Software License, included in the file *
|
|
// * LICENSE and available at http://cern.ch/geant4/license . These *
|
|
// * include a list of copyright holders. *
|
|
// * *
|
|
// * Neither the authors of this software system, nor their employing *
|
|
// * institutes,nor the agencies providing financial support for this *
|
|
// * work make any representation or warranty, express or implied, *
|
|
// * regarding this software system or assume any liability for its *
|
|
// * use. Please see the license in the file LICENSE and URL above *
|
|
// * for the full disclaimer and the limitation of liability. *
|
|
// * *
|
|
// * This code implementation is the result of the scientific and *
|
|
// * technical work of the GEANT4 collaboration. *
|
|
// * By using, copying, modifying or distributing the software (or *
|
|
// * any work based on the software) you agree to acknowledge its *
|
|
// * use in resulting scientific publications, and indicate your *
|
|
// * acceptance of all terms of the Geant4 Software license. *
|
|
// ********************************************************************
|
|
//
|
|
#ifndef G4CrossSectionFactory_h
|
|
#define G4CrossSectionFactory_h 1
|
|
|
|
|
|
#include "globals.hh"
|
|
#include "G4VCrossSectionDataSet.hh"
|
|
#include "G4CrossSectionFactoryRegistry.hh"
|
|
#include "G4Threading.hh"
|
|
|
|
class G4VBaseXSFactory
|
|
{
|
|
public:
|
|
|
|
G4VBaseXSFactory()
|
|
{
|
|
fRegistry = G4CrossSectionFactoryRegistry::Instance();
|
|
}
|
|
|
|
virtual ~G4VBaseXSFactory() = default;
|
|
|
|
virtual G4VCrossSectionDataSet* Instantiate() = 0;
|
|
|
|
protected:
|
|
G4CrossSectionFactoryRegistry* fRegistry;
|
|
};
|
|
|
|
//Generic template XS-factory
|
|
template <typename T, int mode> class G4CrossSectionFactory : public G4VBaseXSFactory
|
|
{
|
|
public:
|
|
G4CrossSectionFactory(const G4String& name)
|
|
{
|
|
fRegistry->Register(name, this);
|
|
}
|
|
|
|
G4VCrossSectionDataSet* Instantiate() override
|
|
{
|
|
G4ExceptionDescription msg;
|
|
msg<<"Factory mode: "<<mode<<" not supported!";
|
|
G4Exception("G4CrossSectionFactory::Instantiate","CrossSectionFactory001",FatalException,msg);
|
|
return static_cast<T*>(0);
|
|
}
|
|
};
|
|
|
|
//Partial specialized template for non-singleton non-shared factory
|
|
// each call to Instantiate creates a new XS
|
|
template <typename T> class G4CrossSectionFactory<T,0> : public G4VBaseXSFactory
|
|
{
|
|
public:
|
|
|
|
G4CrossSectionFactory(const G4String& name)
|
|
{
|
|
fRegistry->Register(name, this);
|
|
}
|
|
|
|
G4VCrossSectionDataSet* Instantiate() override
|
|
{
|
|
return new T();
|
|
}
|
|
};
|
|
|
|
//Partial specialized template for singleton, shared factory
|
|
// each call to Instantiate returns pointer to static object
|
|
template <typename T> class G4CrossSectionFactory<T,1> : public G4VBaseXSFactory
|
|
{
|
|
public:
|
|
G4CrossSectionFactory(const G4String& name)
|
|
{
|
|
fRegistry->Register(name,this);
|
|
}
|
|
|
|
G4VCrossSectionDataSet* Instantiate() override
|
|
{
|
|
static T* shared = new T();
|
|
return shared;
|
|
}
|
|
};
|
|
|
|
//Partial specialized template for singleton, shared factory
|
|
// each call to Instantiate returns pointer to static thread-local object
|
|
template <typename T> class G4CrossSectionFactory<T,2> : public G4VBaseXSFactory
|
|
{
|
|
G4CrossSectionFactory(const G4String& name)
|
|
{
|
|
fRegistry->Register(name,this);
|
|
}
|
|
|
|
G4VCrossSectionDataSet* Instantiate() override
|
|
{
|
|
static G4ThreadLocal T* shared = new T();
|
|
return shared;
|
|
}
|
|
};
|
|
|
|
|
|
#define G4_BASE_DECLARE_XS_FACTORY(cross_section, flag) \
|
|
const G4CrossSectionFactory<cross_section,flag>& cross_section##Factory = G4CrossSectionFactory<cross_section,flag>(cross_section::Default_Name())
|
|
|
|
#define G4_BASE_REFERENCE_XS_FACTORY(cross_section,flag) \
|
|
class cross_section; \
|
|
extern const G4CrossSectionFactory<cross_section,flag>& cross_section##Factory; \
|
|
const G4CrossSectionFactory<cross_section,flag>& cross_section##FactoryRef = cross_section##Factory
|
|
|
|
//Macros to help define and reference factories
|
|
#define G4_DECLARE_XS_FACTORY(cross_section) G4_BASE_DECLARE_XS_FACTORY(cross_section,0)
|
|
#define G4_DECLARE_SHAREDXS_FACTORY(cross_section) G4_BASE_DECLARE_XS_FACTORY(cross_section,1)
|
|
#define G4_DECLARE_SHAREDTLSXS_FACTORY(cross_section) G4_BASE_DECLARE_XS_FACTORY(cross_section,2)
|
|
|
|
|
|
#define G4_REFERENCE_XS_FACTORY(cross_section) G4_BASE_REFERENCE_XS_FACTORY(cross_section,0)
|
|
#define G4_REFERENCE_SHAREDXS_FACTORY(cross_section) G4_BASE_REFERENCE_XS_FACTORY(cross_section,1)
|
|
#define G4_REFERENCE_SHAREDTLSXS_FACTORY(cross_section) G4_BASE_REFERENCE_XS_FACTORY(cross_section,2)
|
|
|
|
#endif
|