weatherStateProviderFactory.h

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/*******************************************************************************
** Copyright (c) 2020 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/


#pragma once

#include "vrfobjcore/weatherStateProvider.h"

class DtSimManager;

typedef DtWeatherStateProvider * (*DtWeatherStateProviderFcn)(
   const DtSimManager*);
typedef std::map<DtString, DtWeatherStateProviderFcn> DtWeatherStateProviderCreatorMap;

#include "vrfutil/vrfutilDefines.h"
class DT_DLL_vrfobjcore DtWeatherStateProviderFactory
{
public:
   DtWeatherStateProviderFactory();

   virtual ~DtWeatherStateProviderFactory();

   virtual void addCreatorFcn(const DtString& type,
      DtWeatherStateProviderFcn fcn);

   virtual DtWeatherStateProvider* createWeatherStateProvider(
      const DtString& type, const DtSimManager* simMgr);

   static DtWeatherStateProviderFactory* create();

   bool hasCreators() const
   {
      return (myCreatorMap.size() != 0);
   }

   static void setWeatherStateProviderFactory(DtWeatherStateProviderFactory* f);
   static DtWeatherStateProviderFactory* instance();

private:
   DtWeatherStateProviderFactory(const DtWeatherStateProviderFactory& orig);
   DtWeatherStateProviderFactory& operator=(const DtWeatherStateProviderFactory& orig);

protected:
   DtWeatherStateProviderCreatorMap myCreatorMap;
   static DtWeatherStateProviderFactory* theWeatherStateProviderFactory;
};