Ok, now I got it. This is a bug - RelationshipQuery was incorrectly
intercepted by the client CayenneContext. I opened a bug report:
http://objectstyle.org/jira/browse/CAY-500
and actually already checked in the fix, so it should be available in
04/11 nightly build.
Thanks
Andrus
On Apr 11, 2006, at 4:58 AM, Marcin Skladaniec wrote:
> Hi
> Sorry to bother you once again, it looks so simple that I have no
> idea what I'm doing wrong.
> I have ported this small example to 1.2B1 and removed "Client
> Superclass" (but we are using it in our project). I tested it on os
> x and linux.
> The problem persists.
>
> I get two objects room and site to the same context :
> Expression expression = ExpressionFactory.matchExp
> (CSite.NAME_PROPERTY, "test site");
> SelectQuery query = new SelectQuery(CSite.class, expression);
> Expression expression2 = ExpressionFactory.matchExp
> (CRoom.NAME_PROPERTY, "test room");
> SelectQuery query2 = new SelectQuery(CRoom.class, expression2);
>
> List list = context.performQuery(query);
> List list2 = context.performQuery(query2);
>
> CSite site = (CSite)list.get(0);
> CRoom room = (CRoom)list2.get(0);
>
>
> I set relationship:
> room.setSite(site);
>
> I save the context:
> context.commitChanges();
>
> At this point everything looks good. The relationship is set,
> foreign key in database is set.
> Than in separate context I fetch the room again:
> List list2 = context2.performQuery(query2);
> CRoom room = (CRoom)list2.get(0);
>
> And hit the problem ...
> room.getSite() is null
>
> I updated the zipped example to work with 1.2B1 (http://
> smokidwa.freeshell.org/work/test.zip).
>
> Marcin
>
>
> On 08/04/2006, at 8:34 PM, Andrus Adamchik wrote:
>
>> Marcin,
>>
>> I ported your test to B1 and ran it on my machine - it works
>> without any errors. Can you confirm whether this is still a problem?
>>
>> BTW, I noticed one minor thing in the mapping - you should not
>> populate "Client Superclass" field. This field is for the "wedge"
>> class that may optionally be inserted in the inheritance hierarchy
>> between cayenne.Persistent and _MyObject.
>>
>> Andrus
>>
>>
>> On Mar 28, 2006, at 2:49 AM, Marcin Skladaniec wrote:
>>
>>> Hello
>>> I tried with cayenne 1.2M12 but have the same problem.
>>> Here is a small project based on the 3t example from sandbox
>>> reproducing the malfunction I'm seeing. (http://
>>> smokidwa.freeshell.org/work/test.zip)
>>> all jars needed to run project are on http://
>>> smokidwa.freeshell.org/work/
>>> Marcin
>>>
>>> On 27/03/2006, at 5:56 PM, Tore Halset wrote:
>>>
>>>> On Mar 19, 2006, at 23:48, Marcin Skladaniec wrote:
>>>>
>>>>> I created a brand new project and I'm still having this
>>>>> problem. Double-checked out the relations, the data types are
>>>>> matching.
>>>>> I have done some more testing and found that one-to-many and
>>>>> many-to-many flattened relations work. That is only many-to-one
>>>>> that not works.
>>>>> What else can be wrong ?
>>>>
>>>> Can you create a small test-project to reproduce this behaviour?
>>>> It will make it easier for us to help out.
>>>>
>>>> - Tore.
>>>
>>> -------------------------->
>>> ish
>>> http://www.ish.com.au
>>> Level 1, 30 Wilson Street Newtown 2042 Australia
>>> phone +61 2 9550 5001 fax +61 2 9550 4001
>>>
>>>
>>>
>>
>
> -------------------------->
> ish
> http://www.ish.com.au
> Level 1, 30 Wilson Street Newtown 2042 Australia
> phone +61 2 9550 5001 fax +61 2 9550 4001
>
>
>
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