Frank Budinsky wrote:
> Raymond is trying to write a serializer, and I presume he wants to produce
> this:
>
> <implementation.java ...>
>
> If the only property on the object is "implementation" with a value that
> is an sca:Implementation subclass, you'd get/expect this when serializing:
>
> <implementation xsi:type="sca:JavaImplementation" ...>
>
> which is valid, but isn't using the substitution group.
I would have expected the serializer be aware of the substitution group
and write out the element corresponding the actual value assigned to the
property.
IOW I would not have expected
<implementation xsi:type="sca:JavaImplementation" ...>
but
<implementation.java ...>
>
> So it's really the "implementation.java" property that we need to
> serialize, but the "implementation" property is a static property of the
> Type, so it will always be there. In the Java implementation they both
> return the same thing, but the serializer needs to know that one is just
> derived from the other and not to serialize them both.
>
There's only one property in question here ("implementation") - it's
just that the property supports an entire hierarchy of value types.
> More generally, I'm wondering how the C++ implementation will serialize
> this. Does it roundtrip back to the same XML that was loaded?
>
One would hope so :-)
--
Jeremy
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