Re: [Boost-users] [Serialization] unable to fix UNREGISTERED CLASSexception

Subject: Re: [Boost-users] [Serialization] unable to fix UNREGISTERED CLASSexception
From: Robert Ramey (ramey_at_[hidden])
Date: 2010-02-16 14:37:09

David Graf wrote:
> Hello Everybody
>
> I am using boost serialization heavily in my project to serialize C++
> objects. Unfortunately, I have a big problem when I when polymorphic
> pointers and non intrusive serialize functions are involved in the
> serialization.
> Therefore, I made a little project which demonstrates my usage of
> boost functionality (see attachment). Basically, I have four classes
> which are derived in the following way: Item <- AtomicItem <-
> BooleanItem <- SpecialItem. SpecialItem contains an intrusive
> serialized functions. The other three contain non intrusive serialize
> functions.
> In the main function (testing.cpp), I create a SpecialItem and the
> stack and assign it to a pointer to an Item. Then, I serialize that
> Item.
>
> Unfortunately, it doesn't work. Only the serialize function of the
> class Item is invoked. Can you please tell me what I did wrong in my
> example?

I believe that taking the non_intrusive functions out of the namespace
boost::serialization might work better.

It seems to me that things should work as you have it, but  I would
have to look into it in more detail.

Robert Ramey

>
> Note:
> The example can be compiled with the command: g++
> atomic_items_serialization.cpp testing.cpp -o testing
> -lboost_serialization-mt
> And the expected result is:
> serializing Item
> serializing AtomicItem
> serializing BooleanItem
> serializing SpecialItem
>
> Thanks in advance
>
> David
>
>
>
>
>
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