larsim/larsim/EventWeight/Base/WeightCalcFactory.cxx

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#include "WeightCalcFactory.h"
#include "WeightCalcCreator.h"

namespace evwgh {

  WeightCalc* WeightCalcFactory::Create(const std::string& wghcalcname)
  {
    std::map<std::string, WeightCalcCreator*>::iterator i;
    i = GetTable().find(wghcalcname);

    if (i != GetTable().end())
      return i->second->Create();
    else
      return (WeightCalc*)NULL;
  }

  void WeightCalcFactory::Register(const std::string& wghcalcname, WeightCalcCreator* creator)
  {
    GetTable()[wghcalcname] = creator;
  }

  std::map<std::string, WeightCalcCreator*>& WeightCalcFactory::GetTable()
  {
    static std::map<std::string, WeightCalcCreator*> table;
    return table;
  }

}