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// $Id: G4VFermiBreakUp.cc,v 1.5 2006-06-29 20:13:13 gunter Exp $
// GEANT4 tag $Name: not supported by cvs2svn $
//
// Hadronic Process: Nuclear De-excitations
// by V. Lara
//
// Modifications:
// 01.04.2011 General cleanup by V.Ivanchenko - more clean usage of static


#ifndef G4FermiFragmentsPool_hh 
#define G4FermiFragmentsPool_hh 1

#include "globals.hh"
#include "G4VFermiFragment.hh"
#include "G4FermiConfiguration.hh"
#include <vector>

class G4FermiFragmentsPool
{
public:

  static G4FermiFragmentsPool* Instance();

  ~G4FermiFragmentsPool();

  const std::vector<G4FermiConfiguration*>* 
  GetConfigurationList(G4int Z, G4int A, G4double mass);

  const G4VFermiFragment* GetFragment(G4int Z, G4int A);

  inline G4int GetMaxZ() const;

  inline G4int GetMaxA() const;
  
private:

  G4FermiFragmentsPool();

  void Initialise();

  G4bool IsExist(G4int Z, G4int A, std::vector<const G4VFermiFragment*>&);

  inline G4bool IsAvailable(G4int Z, G4int A);

  static G4FermiFragmentsPool* theInstance;

  std::vector<const G4VFermiFragment*> fragment_pool;

  G4int maxZ;
  G4int maxA;
  G4int verbose;
 
  // list of configuration sorted by A for 1, 2, 3, 4 final fragments
  std::vector<G4FermiConfiguration*> list1[17]; 
  std::vector<G4FermiConfiguration*> list2[17]; 
  std::vector<G4FermiConfiguration*> list3[17];
  std::vector<G4FermiConfiguration*> list4[17];
  // list of exotic configurations
  std::vector<G4FermiConfiguration*> listextra;
};

inline G4bool G4FermiFragmentsPool::IsAvailable(G4int Z, G4int A)
{
  G4bool res = true;
  if     (2 == Z && 5 == A) { res = false; }
  else if(3 == Z && 5 == A) { res = false; }
  else if(4 == Z && 8 == A) { res = false; }
  else if(5 == Z && 9 == A) { res = false; }
  return res;
}

inline G4int G4FermiFragmentsPool::GetMaxZ() const
{
  return maxZ;
}

inline G4int G4FermiFragmentsPool::GetMaxA() const
{
  return maxA;
}

#endif