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From Marcin Skladaniec <mar...@ish.com.au>
Subject Re: problems in setting reverse relationship
Date Mon, 11 May 2009 07:08:06 GMT
I'm using quite recent build, svn 762177
Marcin

On 11/05/2009, at 4:41 PM, Andrey Razumovsky wrote:

> I think I've seen something similiar. Is this the latest Cayenne  
> build?
> Could you open a JIRA bug (and possibly provide a JUnit test)?
>
> 2009/5/11 Marcin Skladaniec <marcin.skladaniec@jcu.edu.au>
>
>> Hello
>>
>> I have noticed a problem in ROP cayenne. It seems like the reverse
>> relationship is not set until the actual relation is faulted.
>> Simple example:
>>
>> this works correctly:
>> logger.warn(artist.getPaintings().size()); -> prints 0
>> painting.setArtist(artist);
>> logger.warn(artist.getPaintings().size()); -> prints 1
>>
>> this does not work correctly:
>> //logger.warn(artist.getPaintings().size()); -> commented out, no  
>> output
>> painting.setArtist(artist);
>> logger.warn(artist.getPaintings().size()); -> prints 0
>>
>> Regardless of which of the examples are the objects are committed  
>> to db in
>> both cases, and all seems well after a new select query.
>>
>>
>> additionally for this setup I found another issue which might be  
>> related.
>> when calling artist.addToPaintings(painting) on client I get  
>> following
>> exception on server:
>>
>> [java] Caused by: java.lang.Exception: [v.3.0-SNAPSHOT
>> ${project.build.date} ${project.build.time}] Can't build a query for
>> relationship 'artist' for temporary id: <ObjectId:Painting,
>> TEMP:0000023B1C5C0005>
>> is that related?
>>
>> does anyone have any clues on what might be wrong?
>> I'm baffled with this one...
>>
>> Best regards
>> Marcin
>>
>>
>>


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