ChargeExchangeMC/include/CexmcProductionModelFactory.hh

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0025 //
0026 /*
0027  * =============================================================================
0028  *
0029  *       Filename:  CexmcProductionModelFactory.hh
0030  *
0031  *    Description:  production model factory
0032  *
0033  *        Version:  1.0
0034  *        Created:  03.11.2009 23:20:35
0035  *       Revision:  none
0036  *       Compiler:  gcc
0037  *
0038  *         Author:  Alexey Radkov (),
0039  *        Company:  PNPI
0040  *
0041  * =============================================================================
0042  */
0043
0044 #ifndef CEXMC_PRODUCTION_MODEL_FACTORY_HH
0045 #define CEXMC_PRODUCTION_MODEL_FACTORY_HH
0046
0047 #include <G4VUserPhysicsList.hh>
0048 #include <G4PionZero.hh>
0049 #include <G4Eta.hh>
0050 #include "CexmcPhysicsList.hh"
0051 #include "CexmcCommon.hh"
0052
0053
0054 namespace  CexmcPrivate
0055 {
0056     template  < typename >
0057     struct  CexmcBasePhysicsInstance
0058     {
0059         static const CexmcBasePhysicsUsed  value = CexmcNoBasePhysics;
0060     };
0061
0062 #ifdef CEXMC_USE_QGSP_BIC_EMY
0063     template  <>
0064     struct  CexmcBasePhysicsInstance< QGSP_BIC_EMY >
0065     {
0066         static const CexmcBasePhysicsUsed  value = Cexmc_QGSP_BIC_EMY;
0067     };
0068 #else
0069 #ifdef CEXMC_USE_QGSP_BERT
0070     template  <>
0071     struct  CexmcBasePhysicsInstance< QGSP_BERT >
0072     {
0073         static const CexmcBasePhysicsUsed  value = Cexmc_QGSP_BERT;
0074     };
0075 #else
0076     template  <>
0077     struct  CexmcBasePhysicsInstance< FTFP_BERT >
0078     {
0079         static const CexmcBasePhysicsUsed  value = Cexmc_FTFP_BERT;
0080     };
0081 #endif
0082 #endif
0083 }
0084
0085
0086 template  < typename  BasePhysics,
0087             template  < typename > class  StudiedPhysics,
0088             template  < typename > class  ProductionModel >
0089 class  CexmcProductionModelFactory
0090 {
0091     public:
0092         static G4VUserPhysicsList *    Create(
0093                                 CexmcProductionModelType  productionModelType );
0094
0095         static CexmcBasePhysicsUsed    GetBasePhysics( void );
0096
0097     private:
0098         CexmcProductionModelFactory();
0099 };
0100
0101
0102 template  < typename  BasePhysics,
0103             template  < typename > class  StudiedPhysics,
0104             template  < typename > class  ProductionModel >
0105 G4VUserPhysicsList *  CexmcProductionModelFactory<
0106                                 BasePhysics, StudiedPhysics, ProductionModel >::
0107                     Create( CexmcProductionModelType  productionModelType )
0108 {
0109     switch ( productionModelType )
0110     {
0111     case CexmcPionZeroProduction :
0112         return new CexmcPhysicsList< BasePhysics, StudiedPhysics,
0113                                                 ProductionModel< G4PionZero > >;
0114     case CexmcEtaProduction :
0115         return new CexmcPhysicsList< BasePhysics, StudiedPhysics,
0116                                                 ProductionModel< G4Eta > >;
0117     default :
0118         return NULL;
0119     }
0120 }
0121
0122
0123 template  < typename  BasePhysics,
0124             template  < typename > class  StudiedPhysics,
0125             template  < typename > class  ProductionModel >
0126 CexmcBasePhysicsUsed  CexmcProductionModelFactory<
0127                                 BasePhysics, StudiedPhysics, ProductionModel >::
0128             GetBasePhysics( void )
0129 {
0130     return CexmcPrivate::CexmcBasePhysicsInstance< BasePhysics >::value;
0131 }
0132
0133
0134 #endif
0135