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Re: [eclipselink-users] cascade=refresh does not work like expected

Hi Tom,

sorry, I've forgotten the attached jars.

-Michael

-----UrsprÃngliche Nachricht-----
Von: eclipselink-users-bounces@xxxxxxxxxxx [mailto:eclipselink-users-bounces@xxxxxxxxxxx] Im Auftrag von Tom Ware
Gesendet: Freitag, 31. Dezember 2010 16:40
An: EclipseLink User Discussions
Betreff: Re: [eclipselink-users] cascade=refresh does not work like expected

Hi Michael,

   I am missing IGeoPoint, so I get a compile error in printStop() because 
stop.getOrders (null,null) indirectly references it.

-Tom

Michael Simons wrote:
> Hi Tom,
> 
> The following might help determining the reason:
> After I removed the line @JoinFetch(value=JoinFetchType.OUTER) for Tour.positions
> the test was successful, the stops were refreshed correctly (see test2.log).
> So it seems that when a JoinFetch is specified for a collection, EL refreshes the collection but "forgets" to refresh the members of it.
> 
> -Michael
> 
> 
> -----UrsprÃngliche Nachricht-----
> Von: eclipselink-users-bounces@xxxxxxxxxxx [mailto:eclipselink-users-bounces@xxxxxxxxxxx] Im Auftrag von Tom Ware
> Gesendet: Dienstag, 28. Dezember 2010 14:57
> An: EclipseLink User Discussions
> Cc: EclipseLink User Discussions
> Betreff: Re: [eclipselink-users] cascade=refresh does not work like expected
> 
> Hi Michael,
> 
>   My mappings used the same annotations as in the example you provided - including the JoinFetch.
> 
> -Tom
> 
> On Dec 27, 2010, at 4:30 AM, Michael Simons <Michael.Simons@xxxxxxxxxxx> wrote:
> 
>> Hi Tom,
>>
>> Is there also a combination with the @JoinFetch annotation in your test-case?
>>
>> Kind Regards, Michael
>>
>>
>> -----UrsprÃngliche Nachricht-----
>> Von: eclipselink-users-bounces@xxxxxxxxxxx [mailto:eclipselink-users-bounces@xxxxxxxxxxx] Im Auftrag von Tom Ware
>> Gesendet: Freitag, 24. Dezember 2010 17:10
>> An: EclipseLink User Discussions
>> Betreff: Re: [eclipselink-users] cascade=refresh does not work like expected
>>
>> Hi Michael,
>>
>>   I cannot reproduce the problem on the object model I have that has similar 
>> mappings.  I see similar SQL, but the refresh itself works.  Can you provide 
>> some code you can be run to see the issue?
>>
>> -Tom
>>
>> Michael Simons wrote:
>>> Hi Tom,
>>>
>>> the data in the application is not refreshed. That's the problem. I did the SQL examination just to find the reason.
>>>
>>> Kind Regards, Michael
>>>
>>> -----UrsprÃngliche Nachricht-----
>>> Von: eclipselink-users-bounces@xxxxxxxxxxx [mailto:eclipselink-users-bounces@xxxxxxxxxxx] Im Auftrag von Tom Ware
>>> Gesendet: Donnerstag, 23. Dezember 2010 20:40
>>> An: EclipseLink User Discussions
>>> Betreff: Re: [eclipselink-users] cascade=refresh does not work like expected
>>>
>>> Are you actually seeing that the data is not refreshed in your application, or 
>>> are you just examining the SQL? (i.e. is the app not refreshing, or just not 
>>> JOIN FETCHING on the refresh?)
>>>
>>> -Tom
>>>
>>> Michael Simons wrote:
>>>> Hello,
>>>>
>>>>
>>>>
>>>> [EL 2.1.1]
>>>>
>>>> We've got three classes Vehicle, Tour and TourPosition. A Vehicle has 
>>>> zero, one or more Tours. A Tour has one none, one or more TourPositions 
>>>> (the stops)
>>>>
>>>>
>>>>
>>>> So we declared
>>>>
>>>> Class Vehicle {
>>>>
>>>>  @OneToMany(cascade={CascadeType./MERGE/, CascadeType./REFRESH/, 
>>>> CascadeType./REMOVE/}, fetch=FetchType./LAZY/, mappedBy="leadTruck")
>>>>
>>>>  @JoinFetch(value=JoinFetchType./OUTER/) *// Never remove this, or you 
>>>> will regret it - believe me you will.*
>>>>
>>>> *  private* List<Tour> tours = *new* ArrayList<Tour>(113);
>>>>
>>>>  .
>>>>
>>>> }
>>>>
>>>>
>>>>
>>>> Class Tour {
>>>>
>>>>  @OneToMany(cascade = CascadeType./ALL/, fetch = FetchType./LAZY/, 
>>>> mappedBy = "tour")
>>>>
>>>>  @JoinFetch(value=JoinFetchType./OUTER/)
>>>>
>>>>  *private* List<TourPosition> positions = *new* ArrayList<TourPosition> 
>>>> (113);
>>>>
>>>>  .
>>>>
>>>> }
>>>>
>>>>
>>>>
>>>> When I call em.refresh (vehicle) I would have expected that the tours 
>>>> and their positions are also refreshed, but they are not. The only 
>>>> SQL-Statement that I get is:
>>>>
>>>> SELECT DISTINCT t1.vehicle_id, t1.measure_id, t1.jdo_version, ., 
>>>> t0.tour_id, t0.filled_up, t0.tour_text, .
>>>>
>>>> FROM vehicle t1
>>>>
>>>> LEFT OUTER JOIN tour t0 ON (t0.vehicle_id = t1.vehicle_id)
>>>>
>>>> WHERE (t1.vehicle_id = ?)
>>>>
>>>>
>>>>
>>>> So, at least the TourPositions are _/not/_ refreshed.
>>>>
>>>>
>>>>
>>>> Is this a known issue/feature/bug?
>>>>
>>>> Do I miss anything?
>>>>
>>>> If it's a known bug, is it fixed in 2.1.2?
>>>>
>>>>
>>>>
>>>> Kind Regards and happy christmas, Michael
>>>>
>>>>
>>>> ------------------------------------------------------------------------
>>>>
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