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//
#include "G4HadronicInteractionRegistry.hh"
#include "G4HadronicInteraction.hh"

G4HadronicInteractionRegistry & G4HadronicInteractionRegistry::theRegistry()
{
  static G4HadronicInteractionRegistry theRegistryInstance;
  return theRegistryInstance;
}

void G4HadronicInteractionRegistry::
RegisterMe(G4HadronicInteraction * aModel)
{
  theRegistry().AddModel(aModel);
}

void G4HadronicInteractionRegistry::
RemoveMe(G4HadronicInteraction * aModel)
{
  theRegistry().allModels.erase(std::find(theRegistry().allModels.begin(),
                                          theRegistry().allModels.end(), aModel));
  theRegistry().nModels = theRegistry().allModels.size();
}

G4HadronicInteractionRegistry::~G4HadronicInteractionRegistry()
{
  while(allModels.size()!=0)
  {
    delete allModels.front();
  }
}

void G4HadronicInteractionRegistry::
AddModel(G4HadronicInteraction * aModel)
{
  G4bool alreadyThere = false;
  for(G4int i=0; i<nModels; i++)
  {
    if(allModels[i]==aModel)
    {
      alreadyThere = true;
      break;
    }
  }
  if(!alreadyThere)
  {
    nModels++;
    allModels.push_back(aModel);
  }
}