InteractionGeneratorMap.h

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//____________________________________________________________________________
/*!

\class   genie::InteractionGeneratorMap

\brief   An Interaction -> EventGeneratorI associative container.
         The container is being built for the loaded EventGeneratorList and for
         the input InitialState object and is being used to locate the generator
         that can generate aany given interaction.

\author  Costas Andreopoulos <constantinos.andreopoulos \at cern.ch>
 University of Liverpool & STFC Rutherford Appleton Laboratory

\created January 23, 2006

\cpright Copyright (c) 2003-2020, The GENIE Collaboration
         For the full text of the license visit http://copyright.genie-mc.org   
*/
//____________________________________________________________________________

#ifndef _INTERACTION_GENERATOR_MAP_H_
#define _INTERACTION_GENERATOR_MAP_H_

#include <map>
#include <string>
#include <ostream>

#include "Framework/Interaction/Interaction.h"

using std::map;
using std::string;
using std::ostream;

namespace genie {

class InteractionGeneratorMap;
class EventGeneratorI;
class InteractionList;
class InitialState;
class EventGeneratorList;

ostream & operator << (ostream & stream, const InteractionGeneratorMap & xsmap);

class InteractionGeneratorMap : public map<string, const EventGeneratorI *> {

public :
  InteractionGeneratorMap();
  InteractionGeneratorMap(const InteractionGeneratorMap & igmap);
  ~InteractionGeneratorMap();

  void UseGeneratorList (const EventGeneratorList * list);
  void BuildMap         (const InitialState & init_state);

  const EventGeneratorI * FindGenerator      (const Interaction * in) const;
  const InteractionList & GetInteractionList (void) const;

  void Reset (void);
  void Copy  (const InteractionGeneratorMap & xsmap);
  void Print (ostream & stream) const;

  InteractionGeneratorMap & operator =  (const InteractionGeneratorMap & xsmap);
  friend ostream & operator << (ostream & stream, const InteractionGeneratorMap & xsmap);

private:

  void Init    (void);
  void CleanUp (void);

  const EventGeneratorList * fEventGeneratorList;

  InitialState *    fInitState;
  InteractionList * fInteractionList;
};

}      // genie namespace

#endif // _INTERACTION_GENERATOR_MAP_H_