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#include "G4HadronicWhiteBoard.hh"


G4HadronicWhiteBoard & G4HadronicWhiteBoard::Instance()
{
  static G4HadronicWhiteBoard theInstance;
  return theInstance;
}

const G4HadProjectile * G4HadronicWhiteBoard::GetProjectile() 
{
  return theProjectile;
}

const G4Nucleus & G4HadronicWhiteBoard::GetTargetNucleus() 
{ 
  return theTarget;
}

G4ParticleDefinition * G4HadronicWhiteBoard::GetPDef() {return theDef;}
G4String G4HadronicWhiteBoard::GetParticleName() {return theName;}
G4double G4HadronicWhiteBoard::GetEnergy() {return theE;}
G4double G4HadronicWhiteBoard::GetPx(){return thePx;}
G4double G4HadronicWhiteBoard::GetPy(){return thePy;}
G4double G4HadronicWhiteBoard::GetPz(){return thePz;}
G4double G4HadronicWhiteBoard::GetA(){return theA;}
G4double G4HadronicWhiteBoard::GetZ(){return theZ;}

  
void G4HadronicWhiteBoard::SetProjectile(const G4HadProjectile & aProjectile)
{
  theProjectile = const_cast<G4HadProjectile*>(& aProjectile);
  theDef = const_cast<G4ParticleDefinition*>(theProjectile->GetDefinition());
  theName = const_cast<char *>(theDef->GetParticleName().c_str() );
  theE = theProjectile->Get4Momentum().t();
  thePx = theProjectile->Get4Momentum().vect().x();
  thePy = theProjectile->Get4Momentum().vect().y();
  thePz = theProjectile->Get4Momentum().vect().z();
}

    
void G4HadronicWhiteBoard::SetTargetNucleus(const G4Nucleus & aTarget) 
{
  theTarget = aTarget;
  theA = theTarget.GetN();
  theZ = theTarget.GetZ();
}


void G4HadronicWhiteBoard::SetProcessName(const G4String& aProcessName) 
{
  theProcessName = aProcessName;
}


void G4HadronicWhiteBoard::SetModelName(const G4String& aModelName) 
{
  theModelName = aModelName;
}


void G4HadronicWhiteBoard::Dump()
{
  std::cerr << std::endl;
  std::cerr << "*** Geant4 Hadronic Reaction Information ***" 
            << std::endl;
  std::cerr << "    Process: " << theProcessName << " , Model: " 
            << theModelName << std::endl;
  std::cerr << "    Nucleus A, Z = " << theA << " " << theZ 
            << std::endl;
  std::cerr << "    Projectile was a " << theName 
            << std::endl;
  std::cerr << "    projectile momentum (px, py, pz) = (" << thePx << ", " 
            << thePy << ", " << thePz << ")" << std::endl;
  std::cerr << "    Projectile energy = "<< theE 
            << std::endl;
  std::cerr << "*** End of Geant4 Hadronic Reaction Information ***"
            << std::endl;
  G4Exception(theModelName, "001", FatalException, "segmentation fault");
}