GHepVirtualListFolder.h

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//____________________________________________________________________________
/*!
 
\class    genie::GHepVirtualListFolder
 
\brief    A singleton class to manage all named GHepVirtualLists
 
\author   Costas Andreopoulos <c.andreopoulos \at cern.ch>
          University of Liverpool
 
\created  July 16, 2005
 
\cpright  Copyright (c) 2003-2025, The GENIE Collaboration
          For the full text of the license visit http://copyright.genie-mc.org        
*/
//____________________________________________________________________________
 
#ifndef _GHEP_VIRTUAL_LIST_FOLDER_H_
#define _GHEP_VIRTUAL_LIST_FOLDER_H_
 
#include <map>
#include <string>
 
using std::map;
using std::string;
 
namespace genie {
 
class GHepParticle;
class GHepVirtualList;
 
class GHepVirtualListFolder
{
public:
 
  static GHepVirtualListFolder * Instance(void);
 
  void              AddToVirtualList  (string listname, GHepParticle * p);
  bool              VirtualListExists (string listname);
  void              RemoveList        (string listname);
  void              Clear             (void);
  GHepVirtualList * VirtualList       (string listname);
 
private:
 
  GHepVirtualListFolder();
  GHepVirtualListFolder(const GHepVirtualListFolder & config_pool);
  virtual ~GHepVirtualListFolder();
 
  static GHepVirtualListFolder * fInstance;
 
  map<string, GHepVirtualList *> fVirtualListMap;
 
  void AddVirtualList(string listname);
 
  struct Cleaner {
      void DummyMethodAndSilentCompiler() { }
      ~Cleaner() {
         if (GHepVirtualListFolder::fInstance !=0) {
            delete GHepVirtualListFolder::fInstance;
            GHepVirtualListFolder::fInstance = 0;
         }
      }
  };
  friend struct Cleaner;
};
 
}      // genie namespace
 
#endif // _GHEP_VIRTUAL_LIST_FOLDER_H_