Factory.hpp

/*
 * Factory.hpp
 *
 *  Created on: Jan 20, 2016
 *      Author: pschultz
 */

#ifndef FACTORY_HPP_
#define FACTORY_HPP_

#include <columns/KeywordHandler.hpp>
#include <cstddef>
#include <vector>

namespace PV {

class BaseObject;

class Factory {
  public:
   static Factory *instance() {
      static Factory *singleton = new Factory();
      return singleton;
   }

   template <typename T>
   static BaseObject *create(char const *name, HyPerCol *hc) {
      return hc == nullptr ? nullptr : new T(name, hc);
   }

   int registerKeyword(char const *keyword, ObjectCreateFn creator);

   BaseObject *createByKeyword(char const *keyword, char const *name, HyPerCol *hc) const;

  private:
   Factory();

   virtual ~Factory();

   int registerCoreKeywords();

   int copyKeywordHandlerList(std::vector<KeywordHandler *> const &orig);

   KeywordHandler const *getKeywordHandler(char const *keyword) const;

   int clearKeywordHandlerList();

   // Member variables
  private:
   std::vector<KeywordHandler *> keywordHandlerList;
}; // class Factory

} // namespace PV

#endif /* FACTORY_HPP_ */