TaminoDB in Cocoon

[Robert <rj...@inf.tu-dresden.de>]

hello,

anyone has some information, a link or a introducing example on how I 
can query a Tamino - DB with XQuery in my Sitemap.

If tried with the XML:DB API from Tamino. I copied the tamino-xmldb.jar 
in the cocoon web-inf and add

<init-param>
   <param-name>load-class</param-name>
   <param-value>
    com.softwareag.tamino.xmldb.api.base.TDatabase
   </param-value>
</init-param>

to cocoons web.xml. Is there a way to find out whether the class is 
loaded or no? And how is it possible to use the class in the sitemap for 
an XQuery.

Thanks in advance

Robert

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Re: TaminoDB in Cocoon

[Joerg Heinicke <jo...@gmx.de>]

On 13.06.2004 02:19, Robert wrote:

> hello,
> 
> anyone has some information, a link or a introducing example on how I 
> can query a Tamino - DB with XQuery in my Sitemap.
> 
> If tried with the XML:DB API from Tamino. I copied the tamino-xmldb.jar 
> in the cocoon web-inf and add
> 
> <init-param>
>   <param-name>load-class</param-name>
>   <param-value>
>    com.softwareag.tamino.xmldb.api.base.TDatabase
>   </param-value>
> </init-param>
> 
> to cocoons web.xml. Is there a way to find out whether the class is 
> loaded or no?

You should get a ClassNotFoundException for the case this class is tried 
to accessed. If I interpret 
http://cvs.apache.org/viewcvs.cgi/cocoon-2.1/src/java/org/apache/cocoon/servlet/CocoonServlet.java?rev=1.30&view=markup 
correctly this is done on start up. Search for "forceLoadParameter" in 
the file (the javadoc speaks about force-load, but this seems to be 
outdated).

> And how is it possible to use the class in the sitemap for 
> an XQuery.

I fear there is no native support for it at the moment. Probably you 
have to write your own XQuery component (generator, transformer or 
source). But I would search for already existing code first in both list 
archives and on the wiki.

Joerg

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