Rails - Jan 2006 - ActionWebService::Struct --> minOccurs?

Howdy,

In extending ActionWebService::Struct and naming members, is it possible 
to indicate them as optional (yielding minOccurs="0" in the wsdl)? For
example, suppose I want to create a request object that can either work 
via a number id or a string name (think of it as a union).

class Identifier < ActionWebService::Struct
  member :id, :int
  member :name, :string
end

&gt;xsd:complexType name="Identifier"&lt;
  &gt;xsd:all&lt;
    &gt;xsd:element name="id" type="xsd:int"/&lt;
    &gt;xsd:element name="name"
type="xsd:string"/&lt;
  &gt;&gt;/xsd:all&lt;
&gt;/xsd:complexType&lt;

but I want something like:

&gt;xsd:complexType name="Identifier"&lt;
  &gt;xsd:all&lt;
    &gt;xsd:element name="id" type="xsd:int"
minOccurs="0"
maxOccurs="1"/&lt;
    &gt;xsd:element name="name" type="xsd:string"
minOccurs="0"
maxOccurs="1"/&lt;
  &gt;/xsd:all&lt;
&gt;/xsd:complexType&lt;

And when I receive my Identifier object in code, I can call 
identifier.id? identifier.name? to know if a member was specified.

I don''t think this is possible, but I thought I''d ask. :^)

Thanks,
Brian

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