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// ====================================================================
//
//   H02PrimaryGeneratorAction.hh
//   $Id: H02PrimaryGeneratorAction.hh,v 1.5 2006/06/29 17:10:02 gunter Exp $
//
// ====================================================================
#ifndef H02_PRIMARY_GENERATOR_ACTION_H
#define H02_PRIMARY_GENERATOR_ACTION_H

#include <map>
#include "globals.hh"
#include "G4VUserPrimaryGeneratorAction.hh"

class G4Event;
class G4VPrimaryGenerator;
class H02PrimaryGeneratorMessenger;

class H02PrimaryGeneratorAction : public G4VUserPrimaryGeneratorAction {
private:
  G4VPrimaryGenerator* particleGun;
  G4VPrimaryGenerator* hepmcAscii;
  G4VPrimaryGenerator* pythiaGen;

  G4VPrimaryGenerator* currentGenerator;
  G4String currentGeneratorName;
  std::map<G4String, G4VPrimaryGenerator*> gentypeMap;

  H02PrimaryGeneratorMessenger* messenger;

public:
  H02PrimaryGeneratorAction();
  ~H02PrimaryGeneratorAction();

  virtual void GeneratePrimaries(G4Event* anEvent);

  void SetGenerator(G4VPrimaryGenerator* gen);
  void SetGenerator(G4String genname);

  G4VPrimaryGenerator* GetGenerator() const;
  G4String GetGeneratorName() const;
};

// ====================================================================
// inline functions
// ====================================================================

inline void H02PrimaryGeneratorAction::SetGenerator(G4VPrimaryGenerator* gen) 
{ 
  currentGenerator= gen; 
}

inline void H02PrimaryGeneratorAction::SetGenerator(G4String genname) 
{
  std::map<G4String, G4VPrimaryGenerator*>::iterator pos= gentypeMap.find(genname);
  if(pos != gentypeMap.end()) {
    currentGenerator= pos->second;
    currentGeneratorName= genname;
  }  
}

inline G4VPrimaryGenerator* H02PrimaryGeneratorAction::GetGenerator() const 
{ 
  return currentGenerator; 
}

inline G4String H02PrimaryGeneratorAction::GetGeneratorName() const 
{ 
  return currentGeneratorName; 
}

#endif