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// $Id: G4VUserParallelWorld.hh,v 1.2 2006/12/13 15:49:32 gunter Exp $
// GEANT4 tag $Name: geant4-09-02-ref-02 $
//

#ifndef G4VUserParallelWorld_h
#define G4VUserParallelWorld_h 1

class G4VPhysicalVolume;

#include "globals.hh"

// class description:
//
//  This is the abstract base class of the user's parallel world.
// The user MUST NOT create the worls volume, but should get it from GetWorld()
// protected method, and fill inside as the Construct() method.
// The constructor must take a unique name of the parallel world, which is used
// for the name of the world physical volume of this parallel world.
//

class G4VUserParallelWorld
{
  public:
    G4VUserParallelWorld(G4String worldName);
    virtual ~G4VUserParallelWorld();

  public:
    virtual void Construct() = 0;

  protected:
    G4String fWorldName;
    
  protected:
    G4VPhysicalVolume* GetWorld();

  public:
    inline G4String GetName() { return fWorldName; }

};

#endif