[webbeans-dev] Typing of XML elements

[Pete Muir]

s/Pete/Nik/ :-)

I'm just proxying Nik's questions for some reason here...

On 19 Mar 2009, at 15:06, Gavin King wrote:

> Pete, my memory is there are 2 or 3 ways to do "inheritance" in XML  
> schemas. I recommend you buy a book on this and read it :)
>
> Sent from my iPhone
>
> On Mar 19, 2009, at 7:40 AM, Pete Muir <pmuir at redhat.com> wrote:
>
>>
>> On 18 Mar 2009, at 04:38, Jason T. Greene wrote:
>>
>>> Pete Muir wrote:
>>>> Hi Norman, and other XML experts,
>>>> One of the tasks for Web Beans is to build an XSD. There is an  
>>>> XSD per package, and an root-element per class. Classes can have  
>>>> annotations, such as bindings, which makes them into a bean. This  
>>>> means, for example, that a child element of the class element  
>>>> could be a binding type annotation (it's XML element equivalent),  
>>>> however placing, for example, an annotation which is not, for  
>>>> example, a binding type would be an error.
>>>> Therefore, we can increase the "type safety" of the XSD by  
>>>> restricting the category of child elements that can be placed in  
>>>> the class element. However, I don't know how to do this in XSD -  
>>>> any pointers?
>>>
>>> I'm not sure I understand what you want, however it sounds like a  
>>> substitution group. Can you give an example?
>>
>> For example in package com.acme
>>
>> class Foo {
>>
>>
>> }
>>
>> could be described by XML:
>>
>> <acme:Foo>
>>
>> </acme:Foo>
>>
>> Now, I want to add the binding com.acme.sales.Bar to the Foo class:
>>
>> <acme:Foo>
>>  <sales:Bar />
>> </acme:Foo>
>>
>> In other words, any binding type can be inserted as a child element  
>> to a class. So, we need a way to identify this as a point that any  
>> binding type can be inserted.
>>
>> Does this explain it better?
>>
>>>
>>>
>>> -- 
>>> Jason T. Greene
>>> JBoss, a division of Red Hat
>>
>> --
>> Pete Muir
>> http://www.seamframework.org
>> http://in.relation.to/Bloggers/Pete
>>
>> _______________________________________________
>> webbeans-dev mailing list
>> webbeans-dev at lists.jboss.org
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--
Pete Muir
http://www.seamframework.org
http://in.relation.to/Bloggers/Pete