[Yanel-dev] JCR and Yanel

[Evaldas Taroza]

Michael Wechner wrote:
> Evaldas Taroza wrote:
> 
>>
>> Michael Wechner wrote:
>>
>>> Evaldas Taroza wrote:
>>>
>>>> Hi everyone,
>>>> I am reading now about JCR. Is Yanel JCR compliant, if yes, then 
>>>> which level(1, 2, 3)?
>>>
>>>
>>>
>>> there is JCR-Yarep implementation which is using Apache Jackrabbit, 
>>> which means yes ;-) but
>>
>>
>> Correct me if I am wrong: Yarep is a bit extended Jackrabbit?
> 
> 
> no, "yarep core" is an API
> 
> https://svn.wyona.com/repos/public/yarep/trunk/src/core/java/org/wyona/yarep/core 
> 
> 
> , which is a bit simpler than JCR, which is also an API.
> 
> Jackrabbit is an implementation of JCR.
> 
> There exists a yarep-jcr-impl which is using Jackrabbit
> 
> https://svn.wyona.com/repos/public/yarep/trunk/src/impl/java/org/wyona/yarep/impl/repo/jcr 
> 
> 
>> Hence it looks like JCR API is a subset of Yarep API.
> 
> 
> rather the opposite

Ok, now I understand.

> 
>> So which interface/class I would need to extend to enable my own 
>> storage let's say in eXist.
> 
> 
> I think you have two choices:
> 
> 1) Either find a persistance manager for eXist based on JCR for instance 
> within the Jackrabbit environment, e.g.
> 
> http://yukatan.fi/2007/1.3/org/apache/jackrabbit/core/persistence/xml/XMLPersistenceManager.html 
> 

Maybe an easier way would be to pretend that eXist is a filesystem 
because it supports Webdav?

> 
> and then you only have to change the configuration
> 
> or
> 
> 2) Develop an eXist implementation for Yarep, similar to
> 
> https://svn.wyona.com/repos/public/yarep/trunk/src/impl/java/org/wyona/yarep/impl/repo/xmldb 
> 
> 
> whereas I don't think this got ever finished, but maybe helps as a start
> 
Actually major XML databases support XML:DB (including eXist), I wish 
this part was finished in Yarep :)

Evaldas