Do you use transactions?
Instead of your
PersistenceManager pm = PMF.get().getPersistenceManager();
Recipe r = pm.getObjectById(Recipe.class, recKey);
try
{
r.setImage(newImage);
}
finally
{
pm.close();
}
have you tried
PersistenceManager pm = PMF.get().getPersistenceManager();
Transaction tx = pm.currentTransaction();
try
{
tx.begin();
Recipe r = pm.getObjectById(Recipe.class, recKey);
r.setImage(newImage);
tx.commit();
}
finally
{
try
{
if (tx.isActive()) // Because of an exception, say
tx.rollback();
}
finally
{
pm.close();
}
}
On Apr 7, 3:03 pm, Luca Matteis <[email protected]> wrote:
> This is really weird. I cannot find anything on the internet that
> could help me. It seems such a simple thing to be editing child
> objects and I find it ridiculous that I can't find a solution.
>
> please help
>
> On Thu, Apr 7, 2011 at 11:53 AM, Luca Matteis <[email protected]> wrote:
> > Well, I would think the Key has relationship information. The thing is
> > that I'm able to fetch the image for the recipe, so the relationship
> > is there somehow. It seems as if setImage() isn't enough for the
> > linkage to update to the latest image.
>
> > On Thu, Apr 7, 2011 at 11:29 AM, Simon Knott <[email protected]> wrote:
> >> Yes, that's what I would have expected - how else would a recipe ever
> >> retain
> >> which image it is related to? Is the relationship purely stored within the
> >> key of the Image?
>
> >> I must admit that without any knowledge of JDO and its relationship
> >> management, I'm just making wild guesses!
>
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