Re: [Boost-users] Deriving Serialization classes

From: Miguel Silvestre (msilvestre_at_[hidden])
Date: 2007-01-15 11:52:29

Now I have the Unregister_cast exception :S.

On 1/15/07, Pfligersdorffer, Christian
<Christian.Pfligersdorffer_at_[hidden]> wrote:
> Hi Miguel,
>
> you can find what you seek in the documentation under Reference, Serializable Concept, Pointers, Pointers to Objects of Derived Classes.
>
> Two possibilities:
> * eiter call ar.register_class<A>()
> * or use the macro BOOST_CLASS_EXPORT(A)
>
> Have fun,
>
> Christian Pfligersdorffer
> Software Engineering EOS GmbH
>
>
> > -----Ursprüngliche Nachricht-----
> > Von: boost-users-bounces_at_[hidden]
> > [mailto:boost-users-bounces_at_[hidden]]Im Auftrag von Miguel
> > Silvestre
> > Gesendet: Montag, 15. Januar 2007 16:30
> > An: boost-users_at_[hidden]
> > Betreff: Re: [Boost-users] Deriving Serialization classes
> >
> >
> > Anyone???
> >
> > In the boost code I found this comment:
> >
> >    // note:if this exception is thrown, be sure that derived pointer
> >    // is either regsitered or exported.
> >
> > How can I register a class????????
> >
> > On 1/15/07, Miguel Silvestre <msilvestre_at_[hidden]> wrote:
> > > Just make the test without a pointer ant it works just fine.
> > >
> > > I've looked at the documentation and it only refers to this
> > problem on
> > > derivated classes! But I'm not deriving any class. I'm just
> > including
> > > the ponter of a class :(
> > >
> > > On 1/15/07, Miguel Silvestre <msilvestre_at_[hidden]> wrote:
> > > > Ok!!!
> > > >
> > > > Now I'm getting unregistered_class exceptions when trying
> > to seryalize
> > > > a class that has another class. Like:
> > > >
> > > > class C : public Serializer
> > > > {
> > > >         typedef Serializer Parent;
> > > > public:
> > > >         std::string text;
> > > >         A* m_owner;
> > > >         int32 dasse;
> > > >         C():m_owner(0)
> > > >         {
> > > >                 text = "Ola sua puta rabeta!";
> > > >                 dasse = 69;
> > > >         }
> > > >
> > > >         void Serialize(IArchive& ar, const unsigned int version)
> > > >         {
> > > >                 ar.Serialize(dasse);
> > > >                 ar.Serialize(text);
> > > >                 //ar.Serialize(m_owner);
> > > >         }
> > > > };
> > > >
> > > > class A : public Serializer
> > > > {
> > > >         typedef Serializer Parent;
> > > > public:
> > > >
> > > >          void Serialize(IArchive& ar, const unsigned int version)
> > > >         {
> > > >                 ar.Serialize(dumbi);
> > > >                 ar.Serialize(vectorTest);
> > > >                 ar.Serialize(matrix);
> > > >                 ar.Serialize(testing);
> > > >                 ar.Serialize((void*)test_void, sizeof(Vector3f));
> > > >         }
> > > >
> > > >         int dumbi;
> > > >         float dumbf;
> > > >         Vector2f vectorTest;
> > > >         Matrix33 matrix;
> > > >         C* testing;
> > > >         Vector3f* test_void;
> > > >
> > > >         A():dumbi(12), dumbf(69.69f)
> > > >         {
> > > >                 testing = new C();
> > > >                 testing->m_owner = this;
> > > >                 matrix.SetIdentity();
> > > >                 test_void = new Vector3f(1,2,3);
> > > >         }
> > > >
> > > >         A(int dumb1, float dumb2) : dumbi(dumb1), dumbf(dumb2)
> > > >         {
> > > >                 testing = new C();
> > > >                 testing->m_owner = this;
> > > >                 matrix.SetIdentity();
> > > >                 test_void = new Vector3f(1,2,3);
> > > >         }
> > > > };
> > > >
> > > > If I comment the line that serializes C object from A
> > > > (ar.Serialize(testing);) everything works fine.
> > > > I can serialize Object A. And I can serialiaze the Object
> > C to. But
> > > > when I have apoibter to C on object A It throws the
> > unregistered_class
> > > > exception?
> > > >
> > > > Why?
> > > >
> > > > How can I avoid this???
> > > > On 1/12/07, Robert Ramey <ramey_at_[hidden]> wrote:
> > > > > Use binary_object.
> > > > >
> > > > > Robert Ramey
> > > > >
> > > > >
> > > > >
> > > > > _______________________________________________
> > > > > Boost-users mailing list
> > > > > Boost-users_at_[hidden]
> > > > > http://lists.boost.org/mailman/listinfo.cgi/boost-users
> > > > >
> > > >
> > > >
> > > > --
> > > > Miguel Silvestre
> > > >
> > >
> > >
> > > --
> > > Miguel Silvestre
> > >
> >
> >
> > --
> > Miguel Silvestre
> > _______________________________________________
> > Boost-users mailing list
> > Boost-users_at_[hidden]
> > http://lists.boost.org/mailman/listinfo.cgi/boost-users
> >
> _______________________________________________
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>

-- 
Miguel Silvestre