ClassFactoryHandlerAbstract.h

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#pragma once
#include "ClassFactoryHandler.h"
 
class  _declspec(dllexport) ClassFactoryHandlerAbstract : public ClassFactoryHandler
{
public:
    virtual ClassFactoryHandler* SetNextHandler(ClassFactoryHandler* nextHandler) override
    {
        _nextHandler = nextHandler;
        return _nextHandler;
    }
 
    virtual EntityBase* CreateEntity(const std::string& className) override
    {
        if (_nextHandler != nullptr)
        {
            return _nextHandler->CreateEntity(className);
        }
        return nullptr;
    }
 
private:
    ClassFactoryHandler* _nextHandler = nullptr;
};