EngineFactory.hpp

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/*
 * EngineFactory.hpp
 *
 *  Created on: Oct 24, 2014
 *      Author: cuda
 */

#ifndef ENGINEFACTORY_HPP_
#define ENGINEFACTORY_HPP_

#include "EngineBase.hpp"
#include "../config/SimulationConfig.hpp"
#include "../common/FactoryBase.hpp"
#include "../../../common/common.hpp"

#include <memory>
#include <string>
#include <map>
#include <functional>

namespace phoxonics {
namespace core {

// The factory - implements singleton pattern!
class EngineFactory : public FactoryBase {
public:
    virtual ~EngineFactory();

    // Get the single instance of the factory
    static EngineFactory* instance();

    // register a factory function to create an instance of class_name
    void register_factory_function(std::string class_name,
            std::function<EngineBase*(void)> class_factory_function);

    // create an instance of a registered class
    std::shared_ptr<EngineBase> create(std::string class_name,
            std::shared_ptr<phoxonics::core::SimulationConfig> sim_config);

private:
    // a private ctor
    inline EngineFactory() { };

    // the registry of factory functions
    std::map<std::string, std::function<EngineBase*(void)>> factory_function_registry_;
};

} /* namespace core */
} /* namespace phoxonics */

#endif /* ENGINEFACTORY_HPP_ */