Re: [OJB-developers] Problems with "non-decomposed m:n-mappings"/ extents - has it been fixed?

[Jakob B. <jbr...@ho...>]

hi kim,

i made a quick fix for m:n with extents on May 3. and a fix for m:n path
expressions on May 8 but i think they are not in .400.

jakob

----- Original Message -----
From: "Kim Altintop" <ki...@de...>
To: <obj...@li...>
Sent: Thursday, May 16, 2002 3:02 PM
Subject: [OJB-developers] Problems with "non-decomposed m:n-mappings"/
extents - has it been fixed?


> Hi all,
>
> while porting my app over to work with OJB I ran into the following
problem:
> if I got a CollectionDescriptor like this one
>
>  <CollectionDescriptor id="2">
>    <cdfield.name>foos</cdfield.name>
>    <items.class>MyFooInterface</items.class>
>    <inverse_fk_descriptor_ids>666</inverse_fk_descriptor_ids>
>    <indirection_table>aggregate2interface</indirection_table>
>    <fks_pointing_to_this_class>aggregate_id</fks_pointing_to_this_class>
>    <fks_pointing_to_items_class>foo_id</fks_pointing_to_items_class>
>  </CollectionDescriptor>
>
> where - as you can see - the items.class is pointing to an interface
(could
> as well be an abstract class), that is, a class is not itself mapped to a
> table but solely consists of extent classes, OJB seems to have problems
> finding the correct table(s) for the extent classes (yes it DOES realize
> that is has to look for extents). I believe that the problem is similar to
> the one described here:
>
> http://sourceforge.net/mailarchive/message.php?msg_id=1502546
>
> One reply to this post says that a "quick fix" has been submitted.
However,
> I couldn't get the .400 release to work ("[DEFAULT] ERROR:
FIELDDESCRIPTOR:
> Can't find member dMapId in ojb.odmg.collections.DMapEntry")...
>
> I'm now wondering if I should a) wait for the next release, b) pull my
hair
> out on getting .400 to work or c) fiddle around with a CVS version because
> the "quick fix" isn't applicable to my problem...?
>
> Thanks in advance for any directions!
>
> Kim
>
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