[Zope] Re: DBTAB mounting ZCLASS as container

[Arenz, Ralph]

-----Ursprüngliche Nachricht-----
Von: Dieter Maurer [mailto:dieter at handshake.de]
Gesendet: Mittwoch, 15. September 2004 21:22
An: Arenz, Ralph
Cc: 'zope at zope.org'
Betreff: Re: [Zope] Re: DBTAB mounting ZCLASS as container


Arenz, Ralph wrote at 2004-9-15 17:33 +0200:
> ...
[DM]
>>This will not be possible without major work:
>
>>  You would need to implement a new type of mount point.
>> Its class key would allow a ZClass reference.
>>  The corresponding datatype would be a factory that
>>  later instantiates the ZClass.
> ...

[RA]
>can you be a little more concrete. I spent a look over the sources from
>dbtab and found some fragments which gives a hint that dbtab can work with
>ZKlasses, but i
>can't figure out how do arrange this. Do i really have to implement a new
>mount point although i
>need a  ZClass as a container for it?

>[DM]
>I do not know but I fear it.

>  The current schema uses a "python_dotted_path" to specify
>  the "container-class".
>  I may be wrong, but I doubt that you can access a ZClass
>  via a "python_dotted_path".

>  If I am right, you would need to change at least
>  the datatype for your "ZClass" container-class.

>You might get away with just changing the datatype.

>It is your problem. You must investigate further...

>-- 
>Dieter

The only thing to do is defining the container_class
entry in dbtab.conf as follow:

container_class=*[class_id_of_desired_zclass].id_of_zclass 
e.g.  container_class=*LHUIGUGZ436536==.MyZClassId