Re: [Simple-support] Providing Extra Type Information to the Serialization Engine

[Niall G. <gal...@ya...>]

This is a limitation of Java. In c# and other typed languages T would be available, however Java generics are not reified, so this type information is erased at compile time. It is impossible to know what T is at runtime I am afraid.

--- On Fri, 13/5/11, Azubuko Obele <buk...@gm...> wrote:


From: Azubuko Obele <buk...@gm...>
Subject: Re: [Simple-support] Providing Extra Type Information to the Serialization Engine
To: "Niall Gallagher" <gal...@ya...>
Cc: sim...@li...
Received: Friday, 13 May, 2011, 9:16 PM




Hey Niall,

UnionList looks cool but I'm not sure how it helps me. The problem is I have a base class with a generic collection (see below). Subclasses 
specialize this generic parameter but SimpleXml complains that it doesn't know the type of the inherited collection being de/serialized.
 






--- On Fri, 13/5/11, Azubuko Obele <buk...@gm...> wrote:


From: Azubuko Obele <buk...@gm...>
Subject: [Simple-support] Providing Extra Type Information to the Serialization Engine
To: sim...@li...
Received: Friday, 13 May, 2011, 4:55 AM





Hello,

If I have a generic class like:

public class ItemList<T> { 

@ElementList(inline = true, required = false)
private List<T> items = new ArrayList<T>();

}

And then I have subclasses of this like AList extends ItemList<A> and BList extends ItemList<B> ... Simple will fail to serialize such classes because it can't determine the type of the generic property. Is there perhaps a mechanism so that I might be able to provide this information to the engine somehow?


Thanks

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