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GiGaExtPhysics.h

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// $Id: GiGaExtPhysics.h,v 1.4 2007/03/26 09:01:39 gcorti Exp $
#ifndef GIGA_GIGAEXTERNALPHYSICSCONSTRUCTOR_H 
#define GIGA_GIGAEXTERNALPHYSICSCONSTRUCTOR_H 1

// Include files
#include "GiGa/GiGaPhysicsConstructorBase.h"

template <class PHYSCONSTR>
class GiGaExtPhysics : public GiGaPhysicsConstructorBase
{
  typedef PHYSCONSTR PhysConstr ;
  
public:
  
  G4VPhysicsConstructor* physicsConstructor ()  const
  {
    if( 0 == m_phys )
    {
      m_phys =  new PhysConstr() ;
      m_phys -> SetPhysicsName( name() );
    }
    return m_phys ;
  };
  
  GiGaExtPhysics
  ( const std::string& type   , 
    const std::string& name   , 
    const IInterface*  parent )
    : GiGaPhysicsConstructorBase( type , name , parent ) 
      , m_phys ( 0 )
  {}
  
  virtual ~GiGaExtPhysics(){} ;
  
private:
  
  // physics constructor itself 
  mutable G4VPhysicsConstructor* m_phys ;

};

#endif // GIGA_GIGAEXTERNALPHYSICSCONSTRUCTOR_H

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