Re: [Boost-users] Serialization problem with cyclic references (pointers)

Subject: Re: [Boost-users] Serialization problem with cyclic references (pointers)
From: kwanti (ngkwanti_at_[hidden])
Date: 2013-11-29 12:20:27

How about this?

class A 
{ 
public: 
    A() 
        { 
                parent = nullptr; 
                someInt = 0; 
        } 

    BOOST_SERIALIZATION_SPLIT_MEMBER()

    template <class Archive>
    void save(Archive& archive, const unsigned int version) const
    {
        archive << someInt;
        archive << children;
    }

    template <class Archive>
    void load(Archive& archive, const unsigned int version)
    {
        archive >> someInt;
        archive >> children;
        for( std::vector<A*>::iterator iter = children.begin(); iter !=
children.end(); ++iter)
        {
            (*iter)->parent = this;
        }
    }

    int someInt; 
    A* parent; 
    std::vector<A*> children; 
};

You will serialize the whole tree starting from the root node with this.

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