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//
// -----------------------------------------------------------------------------
//      GEANT 4 class header file
//
//      History: 
//             Gunter Folger, August/September 2001
//               Create class; 
// -----------------------------------------------------------------------------
//

#ifndef G4HadronBuilder_h
#define G4HadronBuilder_h 1

#include "globals.hh"
#include <vector>
#include "G4ParticleDefinition.hh"
#include "G4ParticleDefinition.hh"

class G4HadronBuilder
{
  public:
     G4ParticleDefinition * Build(G4ParticleDefinition * black, G4ParticleDefinition * white);
     G4ParticleDefinition * BuildLowSpin(G4ParticleDefinition * black, G4ParticleDefinition * white);
     G4ParticleDefinition * BuildHighSpin(G4ParticleDefinition * black, G4ParticleDefinition * white);

     //  ctor
     G4HadronBuilder(G4double mesonMix, G4double barionMix,
		     std::vector<double> scalarMesonMix,
		     std::vector<double> vectorMesonMix,
                     G4double Eta_cProb, G4double Eta_bProb);

  private:
     G4HadronBuilder(); // no default ctor

     enum Spin { SpinZero=1, SpinHalf=2, SpinOne=3, SpinThreeHalf=4 };

     G4ParticleDefinition * Meson(G4ParticleDefinition * black, G4ParticleDefinition * white, Spin spin);

     G4ParticleDefinition * Barion(G4ParticleDefinition * black, G4ParticleDefinition * white, Spin spin);
     
     G4double mesonSpinMix;
     G4double barionSpinMix;
     std::vector<double> scalarMesonMixings;
     std::vector<double> vectorMesonMixings;
     
     G4double ProbEta_c, ProbEta_b;
};

#endif

