material_factory.h

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#ifndef MATERIAL_FACTORY_H
#define MATERIAL_FACTORY_H

// G4 headers
#include "G4Material.hh"

// C++ headers
#include <map>
#include <iostream>
using namespace std;

// gemc headers
#include "run_conditions.h"
#include "options.h"

class material
{
    
    public:
        material(){;}
        material(string n){name = n;}
        ~material(){;}
        
        string name;
        string desc;
        double density;
        int ncomponents;
        
        vector<string> components;
        vector<double> fracs;
    
        vector<double> photonEnergy;
        vector<double> indexOfRefraction;
        vector<double> absorptionLength;
        vector<double> reflectivity;
        vector<double> efficiency;

        // scintillation
        vector<double> fastcomponent;
        vector<double> slowcomponent;
        double scintillationyield;
        double resolutionscale;
        double fasttimeconstant;
        double slowtimeconstant;
        double yieldratio;
        vector<double> rayleigh;
    
    
        // load material components from DB entry
        void componentsFromString(string);

        // load optical properties from DB entry
        void opticalsFromString(string, string);

};


class materials
{
    public:
        // Pure Virtual Method to initialize G4 Materials
        virtual map<string, G4Material*> initMaterials(runConditions, goptions) = 0;
        map<string, G4Material*> materialsFromMap(map<string, material>);
        virtual ~materials(){}
};

typedef materials *(*materialFactory)();                                // Define materialFactory as a pointer to a function that returns a pointer 

materials *getMaterialFactory(map<string, materialFactory> *, string);  // returns materialFactory Function from Factory Map

map<string, materialFactory> registerMaterialFactories();               // Registers materialFactory in Factory Map

map<string, G4Material*> buildMaterials(map<string, materialFactory> materialFactoryMap, goptions go, runConditions rc);

// build material with standard isotopes.
map<string, G4Material*> materialsWithIsotopes();

void printMaterials(map<string, G4Material*> matMap);

#endif