[infinispan-dev] [jboss-dev] Infinispan configuration - all in one solution

[Vladimir Blagojevic]

We have sucesfully converted to JAXB based configuration reading and 
schema generation.

Along the way I noticed a few things that JAXB 2.x is missing, the most 
important in our case being:
No clear support for custom annotations and hooking up their processing 
into JAXB library
Annotation for xs:documentation i.e ability to generate xs:documentation 
elements in generated schema

Overall it was well worth the switch to JAXB annotations to map 
configuration class hierarchy to XML and thus achieve seamless XML 
configuration files reading into object model as well as automatic XML 
schema generation.


On 7/22/09 2:41 PM, Alexey Loubyansky wrote:
> Sorry for the delayed response.
>
> I quickly looked through the code. From pure Java/XML binding point, now
> that you looked a bit into the JAXB annotations, do you see something
> that you need but missing there?
> JBossXB annotations based binding is based on JAXB2.0, although it has a
> number of its own annotations and features that allow to go a bit beyond
> the standard. But also JBossXB doesn't support everything in JAXB yet.
> Just because no one asked for it.
>
> Another thing, JBossXB doesn't support marshalling for binding based on
> Java annotations. We also don't generate schemas and documentation.
> So, if you decide to switch to JAXB/JBossXB annotations and decide to
> also write some tools like that, it would be great if you contributed
> them to JBossXB.
>
>
> Alexey
>
> Vladimir Blagojevic wrote:
>    
>> On 7/17/09 5:16 PM, Bill Burke wrote:
>>      
>>> Wouldn't it be better to write a javadoc-like generator that
>>> introspected for JAXB and Inifispan annotations instead of writing your
>>> own XML parser and schema generator?  Or maybe I'm misunderstanding your
>>> post.
>>>
>>> In other words, use JAXB for marshalling/unmarshalling/schema
>>> generation.  Use inifinispan javadoc generator for documentation.
>>>
>>>        
>> I looked around a bit more to see that now in JAXB 2.x we have
>> annotations as well :) If we annotate our configuration beans with JAXB
>> annotations I suppose we can do exactly what you suggest - use JAXB for
>> marshalling/unmarshalling/schema generation and at the same time use
>> those annotation in a custom tool that creates reference documentation.
>>      
>>> By creating your own XML parsing you've just complicated the maintenance
>>> problems for future maintainers of infinispan.
>>>
>>>        
>> I agree.
>>
>> Cheers,
>> Vladimir
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>>      
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