So no ideea anyone?
On Feb 25, 11:42 pm, Cosmin Stefan <cosmin.stefandob...@gmail.com>
wrote:
> Hey,
>
> I have an issue while trying to update one object in a collection,
> using JDO.
>
> Here are the facts:
> o i have a class (let's call it BigClass), that has an embedded
> class(SmallClass) containing an ArrayList.
> o I DONT use/need a transaction
> o I query the database to get a List of BigClass items that should
> be modified. I iterate through each of them and I...
> o I remove an element from the list in the SmallClass embedded in
> the current BigClass, the changes are not ALWAYS persisted
> o if I print (log) the object after the change, it looks modified,
> but if i check the DataViewer, the object was not updated
> o i even tried using JDOHelper.makeDirty on the BigClass, with the
> fieldName SmallClass, and it still doesn't work.
>
> Some relevant code:
>
> Query q =
> pm.newQuery(BigClass.class,"id==:ids");
> List<BigClass>
> participatingUsers=(List<BigClass>)
> q.execute(participantIDs);
>
> //Update the participants
> ListIterator<BigClass>
> it=participatingUsers.listIterator();
> BigClass participant;
> boolean modified;
> while(it.hasNext())
> {
> participant=it.next();
> participant.list.remove(smth);
>
> JDOHelper.makeDirty(participant,"collection");
> }
> ....
> modify other objects
> ....
> pm.close()
>
> Another thing is that some of the changes I make after this part are
> persisted...
>
> So, if you have any suggestions, shoot pls!
>
> Cosmin
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