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// $Id: G4tgbMaterialMixture.hh,v 1.3 2010/10/13 07:56:55 gcosmo Exp $
// GEANT4 tag $Name: geant4-09-04-ref-00 $
//
//
// class G4tgbMaterialMixture
//
// Class description:
//
// Transient class of a material mixture; builds a G4Material mixture.

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

#ifndef G4tgbMaterialMixture_h
#define G4tgbMaterialMixture_h

#include "globals.hh"

#include <vector>
#include <string>

#include "G4tgbMaterial.hh"

class G4tgbMaterialMixture : public G4tgbMaterial
{
  public:  // with description

    G4tgbMaterialMixture();
    virtual ~G4tgbMaterialMixture();

    // Get methods

    virtual const G4String& GetComponent(G4int i) const;
    virtual G4double GetFraction(G4int i) const;

    //Operators

    G4tgbMaterialMixture& operator=(const G4tgbMaterialMixture&); 

  protected:

    virtual void TransformToFractionsByWeight();
};
#endif
