[hibernate-dev] cacheable files

[Steve Ebersole]

we are using stax now under the covers as well.

These are just different models of jaxp parsing: dom, sax, stax.


On 04/15/2011 10:57 AM, Max Rydahl Andersen wrote:
>
> On Apr 15, 2011, at 17:49, Steve Ebersole wrote:
>
>> What causes the bad performance?  You do realize there are 3 aspects to performing jaxb right?  You have the actual jaxp parsing, the validation and then finally the binding.
>>
>> Conversely, with DOM you have jaxp parsing, validation and DOM model binding.
>>
>> So what is the big difference?
>
> I'm not an expert on it but what I understood from Jason on why they (as I understood it) removed all JAXB parsing was that
> a) it was too slow b) not flexible c) the code got very messy to support multiple versions/variations (probably related to b)
>
> This was in comparison to the stax(?) parsers they moved to as far as I understood it.
>
> /max
>
>>
>> On 04/15/2011 10:45 AM, Max Rydahl Andersen wrote:
>>> im confused - are we seriously looking at using jaxb for parsing the xml configurations even though
>>> they are doing what they can to remove any jaxb stuff from AS7 codebase because of the bad performance
>>> and maintenance overhead (especially when its part of the server) ?
>>>
>>> /max
>>>
>>> On Apr 13, 2011, at 11:15, Hardy Ferentschik wrote:
>>>
>>>> On Tue, 12 Apr 2011 21:26:01 +0200, Steve Ebersole<steve at hibernate.org>
>>>> wrote:
>>>>
>>>>> Do we want to make caching of files a flag for processing all of the xml
>>>>> files?
>>>>>
>>>>> Currently we have methods:
>>>>> addFile(String path)
>>>>> addFile(File file)
>>>>> addCacheableFile(String path)
>>>>> addCacheableFile(File file)
>>>>>
>>>>> Could we instead condense these and allow configuration of whether to
>>>>> try and cache xml files?
>>>>
>>>> Besides my other comments regarding low priority and xml maybe not being
>>>> the right
>>>> level of caching, I would also prefer a configuration approach.
>>>>
>>>> --Hardy
>>>> _______________________________________________
>>>> hibernate-dev mailing list
>>>> hibernate-dev at lists.jboss.org
>>>> https://lists.jboss.org/mailman/listinfo/hibernate-dev
>>>
>>> /max
>>> http://about.me/maxandersen
>>>
>>>
>>>
>>
>> --
>> Steve Ebersole<steve at hibernate.org>
>> http://hibernate.org
>
> /max
> http://about.me/maxandersen
>
>
>

-- 
Steve Ebersole <steve at hibernate.org>
http://hibernate.org