factory.hpp

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#ifndef NGC_CORE_RECEIVERS_FACTORY_H_
#define NGC_CORE_RECEIVERS_FACTORY_H_
 
#include <string>
#include <memory>
#include <ngc/core/receivers/receiver.hpp>
 
namespace ngc::core::receivers {

  class ReceiverFactory {
  public:
    virtual Receiver* GetReceiver() = 0;
  };

  class Factory {
  public:
    Factory(const Factory&) = delete;
    Factory& operator = (const Factory&) = delete;
    
    static Factory& Instance() {
      static Factory factory_instance;
      return (factory_instance);
    }

    void SetFactory(std::shared_ptr<ReceiverFactory> factory) {
      m_factory = factory;
    }

    std::shared_ptr<ReceiverFactory> GetFactory() {
      return m_factory;
    }

    static void Set(std::shared_ptr<ReceiverFactory> factory) {
      Instance().SetFactory(factory);
    }

    static std::shared_ptr<ReceiverFactory> Get() {
      return Instance().GetFactory();
    }
    
  protected:
  private:
    std::shared_ptr<ReceiverFactory> m_factory;
    
    Factory() : m_factory(nullptr) {}
    
    ~Factory() {}
  }; 

  std::shared_ptr<ReceiverFactory> GetFactory(std::string receiver_type);
}
 
 
#endif /* NGC_CORE_RECEIVERS_FACTORY_H_ */