Hi,
I´m unsure on how the serializer determines object identity. Is it by
address or by value? I´m using C++ and trying to serialize something
like that:
A Shop contains all Wheels and Cars. A Car has several Wheels but
those Wheels are also referenced by the Shop. So they are the same
Wheels. (It´s only a stupid example...)
Shop {
optional Name name = 1;
repeated Car car = 2;
repeated Wheel wheel = 3;
}
Car {
optional Name name = 1;
repeated Wheel wheel = 2;
}
Wheel {
optional Name name = 1;
}
When creating the Shop I first create all Wheels and then I want to
create the Cars. For creating the Cars I first have to get the already
created Wheels and find out which one I need, then I add the already
created Wheels to the Car.
Let´s assume every Car has only one Wheel ;) My code would look like
that:
// Find existing Wheel (More complicated in reality)
Wheel existing_wheel = shop->wheel(0);
// Add Wheel
Wheel *to_replace = car->mutable_wheel();
*to_replace = existing_wheel;
If I now serialize the Shop are my Wheels only once serialized? If
yes, is it the recommended way to deal with DAGs?
Thank you!
Conny
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