FermiMomentumTablePool.h

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//____________________________________________________________________________
/*!
 
\class    genie::FermiMomentumTablePool
 
\brief    Singleton class to load & serve tables of Fermi momentum constants
 
\author   Costas Andreopoulos <c.andreopoulos \at cern.ch>
          University of Liverpool
 
\created  August 18, 2005
 
\cpright  Copyright (c) 2003-2025, The GENIE Collaboration
          For the full text of the license visit http://copyright.genie-mc.org
          
*/
//____________________________________________________________________________
 
#ifndef _FERMI_MOMENTUM_TABLE_POOL_H_
#define _FERMI_MOMENTUM_TABLE_POOL_H_
 
#include <map>
#include <string>
 
#include "Framework/Conventions/XmlParserStatus.h"
 
using std::map;
using std::string;
 
namespace genie {
 
class FermiMomentumTable;
 
class FermiMomentumTablePool
{
public:
  static FermiMomentumTablePool * Instance (void);
 
  const FermiMomentumTable * GetTable (string name);
 
private:
  FermiMomentumTablePool();
  FermiMomentumTablePool(const FermiMomentumTablePool & fmc);
  virtual ~FermiMomentumTablePool();
 
  bool LoadTables (void);
  XmlParserStatus_t ParseXMLTables (string filename);
 
  static FermiMomentumTablePool * fInstance;
 
  map<string, FermiMomentumTable *> fKFSets; // kf tables
 
  struct Cleaner {
      void DummyMethodAndSilentCompiler() { }
      ~Cleaner() {
         if (FermiMomentumTablePool::fInstance !=0) {
            delete FermiMomentumTablePool::fInstance;
            FermiMomentumTablePool::fInstance = 0;
         }
      }
  };
  friend struct Cleaner;
};
 
}      // genie namespace
 
#endif // _FERMI_MOMENTUM_TABLE_POOL_H_