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// $Id: G4tgrRotationMatrixFactory.hh,v 1.2 2008/12/18 12:59:00 gunter Exp $
// GEANT4 tag $Name: geant4-09-03 $
//
//
// class G4tgrRotationMatrixFactory
//
// Class description:
//
// Singleton class to manage the building of transient rotation matrix.

// History:
// - Created.                                 P.Arce, CIEMAT (November 2007)
// -------------------------------------------------------------------------

#ifndef G4tgrRotationMatrixFactory_h
#define G4tgrRotationMatrixFactory_h

#include "globals.hh"
#include "G4tgrRotationMatrix.hh"

#include <vector>
#include <map>

typedef std::map< G4String, G4tgrRotationMatrix* > G4mstgrrotm;

class G4tgrRotationMatrixFactory 
{
  public:  // with desctiption

    static G4tgrRotationMatrixFactory* GetInstance();
      // Get the only instance (it it does not exists, create it)
  
    G4tgrRotationMatrix* AddRotMatrix( const std::vector<G4String>& wl );
      // Build a G4tgrRotationMatrix and add it to theTgrRotMats

    G4tgrRotationMatrix* FindRotMatrix(const G4String& rotm);
     // Look for an G4tgrRotationMatrix and if not found return 0

    const G4mstgrrotm& GetRotMatMap() const
      { return theTgrRotMats; }
    std::vector<G4tgrRotationMatrix*> GetRotMatList() const
      { return theTgrRotMatList; }

    void DumpRotmList();
      // Dump list of rotation matrices

  private:

    G4tgrRotationMatrixFactory();
   ~G4tgrRotationMatrixFactory();

  private:

    static G4tgrRotationMatrixFactory* theInstance;
   
    std::vector<G4tgrRotationMatrix*> theTgrRotMatList;
    G4mstgrrotm theTgrRotMats;
};

#endif
