EvtModel.hh

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//--------------------------------------------------------------------------
//
// Environment:
//      This software is part of the EvtGen package developed jointly
//      for the BaBar and CLEO collaborations.  If you use all or part
//      of it, please give an appropriate acknowledgement.
//
// Copyright Information: See EvtGen/COPYRIGHT
//      Copyright (C) 1998      Caltech, UCSB
//
// Module: EvtGen/EvtModel.hh
//
// Description: 
//
// Modification history:
//
//    DJL/RYD     August 8, 1998         Module created
//
//------------------------------------------------------------------------
 
#ifndef EVTMODEL_HH
#define EVTMODEL_HH
 
#include "EvtGenBase/EvtDecayBase.hh"
#include "EvtGenBase/EvtStringHash.hh"
#include <map>
//#include <fstream.h>
 
 
//Class to read in and handle the decays available
//to EvtGen for each particle, and the model to be
//used for each one.
 
class EvtModel{
 
public:
 
  static EvtModel& instance();
 
  void Register(EvtDecayBase* prototype);
      
  int isModel(std::string name);
 
  EvtDecayBase* getFcn(std::string model_name);
 
  int isCommand(std::string cmd);
  void storeCommand(std::string cmd,std::string cnfgstr);
 
 
private:
 
  EvtModel();
 
  static EvtModel* _instance;
 
  std::map<std::string,EvtDecayBase*> _modelNameHash;
  std::map<std::string,EvtDecayBase*> _commandNameHash;
 
 
};
 
 
inline EvtModel& EvtModel::instance() {
  if ( _instance == 0 )  _instance=new EvtModel;
  return *_instance;
}
 
 
#endif