CustomPhysicsFactory.hh

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////////////////////////////////////////////////////////////////////////
/// \file CustomPhysicsFactory.h
//
////////////////////////////////////////////////////////////////////////
#ifndef CUSTOMPHYSICSFACTORY_hh
#define CUSTOMPHYSICSFACTORY_hh

#include "Geant4/G4VPhysicsConstructor.hh"

#ifndef CUSTOMPHYSICSTABLE_hh
namespace gar {
  namespace garg4 { class CustomPhysicsTable; }
}
#endif

namespace gar {
  namespace garg4 {
    class CustomPhysicsFactoryBase
    {
    public:
      CustomPhysicsFactoryBase() {}
      virtual ~CustomPhysicsFactoryBase() {}
      
      virtual bool Registered() = 0;
      virtual std::string GetName() = 0;
      virtual G4VPhysicsConstructor * Build() = 0;
    };
    
    template<class T>
    class CustomPhysicsFactory : public CustomPhysicsFactoryBase
    {
    public:
      CustomPhysicsFactory();
      CustomPhysicsFactory(std::string);
      virtual ~CustomPhysicsFactory() {};
      bool Registered ()
      {return registered;}
      std::string GetName()
      { return myName;}
      virtual G4VPhysicsConstructor * Build();
      
      
    private:
      std::string myName;
      bool registered;
      bool verbose;
    };
  }
}

#include "GArG4/CustomPhysicsTable.hh"

namespace gar {
  namespace garg4 {
    
    template<class T> G4VPhysicsConstructor * CustomPhysicsFactory<T>::Build()
    {
      return new T();
    }
    
    template<class T> CustomPhysicsFactory<T>::CustomPhysicsFactory(std::string Name)
    {
      
      // For debugging.
      verbose=true;
      
      if(Name!="")
        myName=Name;
      else
        std::cerr<<"CustomPhysicsFactory Error : Physics registered with no name!"<<std::endl;
      
      // register self in physics table - note, factory is actually registered
      // in static TheCustomPhysicsTable, not the instance created below
      // which just acts to pass information along
      new CustomPhysicsTable(this);
      registered=true;
    }
    
    
    
    template<class T> CustomPhysicsFactory<T>::CustomPhysicsFactory()
    {
      registered=false;
    }
    
  }
} // gar

#endif
  

// Sept 2009 - Ben Jones, MIT