[Boost-users] boost::serialization of a template class

From: Takeo (emlperrin_at_[hidden])
Date: 2008-08-22 17:39:00

Hello,

I have a base class:

class base {...};

and a derived class:

class derived : public base {...};

and a template class:

template <class T> 
class ElementList {

        vector<T*>* m_Elements;
...

        friend class boost::serialization::access;
        template<class Archive>
        inline void serialize(Archive & ar, const unsigned int version)
       {
                ar & BOOST_SERIALIZATION_NVP(m_Elements);
       }

}

Now i create a class:

class myclass : public ElementList<base> {

        friend class boost::serialization::access;
        template<class Archive>
        inline void serialize(Archive & ar, const unsigned int version)
       {
                ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(ElementList);
       }
}

I want to use boost::serialization on myclass

I create somwhere in my program several "derived" elements (which are
serialized at this point)

After, I put them in the m_Elements vector of myclass (hérited from
ElementList<base>). So, the "derived" are stored as "base" elements and the
problem is that they are serialized as "base" elements and not "derived"
elements.

Have you got an idea of how I can solve this issue?

Thanks by Advance
Emmanuel
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