You should be able to use an unowned one-to-many, but you won't be able to
easily change the relationship to owned later.
You can also create a second class of object with the same set of fields as
the parent, but this isn't ideal for large, multi-level (e.g.
parent->child->grandchild->great-grandchild) hierarchies.
- Jason
On Tue, Sep 1, 2009 at 11:04 PM, mar_novice <mariocape1...@gmail.com> wrote:
>
> Since it is not yet supported, what is the possible approache in the
> meantime to solve this? Can i use unowned one-to-many relationship?
> And when the one-to-many same class relationship bug is already fixed,
> is there a way to convert the unowned one-to-many to owned?
>
> On Sep 2, 8:29 am, mar_novice <mariocape1...@gmail.com> wrote:
> > I filed the bug already, thanks.. hope that this bug will be fix
> > immediately and have an update with the sdk. I really need to
> > implement this..
> >
> > On Aug 29, 2:12 am, "Jason (Google)" <apija...@google.com> wrote:
> >
> > > My sample was using JDO. In JDO, this does not work, but I haven't
> tested
> > > with JPA yet.
> > > - Jason
> >
> > > On Thu, Aug 27, 2009 at 1:34 PM, Michael Niu <yong...@gmail.com>
> wrote:
> >
> > > > You can implements self one-to-many relationship the tricky is
> > > > Dont define ManytoOne, for your example your class will look
> > > > like :
> > > > class Mall{
> > > > ...
> > > > id and other properties
> >
> > > > @OneToMany
> > > > List<Mall>subMallList;
> >
> > > > ...
> >
> > > > }
> >
> > > > remenber. dont add parent object to the class!
> >
> > > > cheers
> >
> > > > Michael
> >
> > > > On Aug 25, 11:03 pm, mar_novice <mariocape1...@gmail.com> wrote:
> > > > > Is it possible to implement a parent-child relationship in the same
> > > > > class..
> > > > > for example
> >
> > > > > parent Location has a child Location...
> >
> > > > > for instance Mall class with fields name, longitude, latitude.
> > > > > a big mall name X, lat - 1.1 long- 2.3
> > > > > sub mall name A, lat - 1.01 long -2.1
> > > > > sub mall name B
> > > > > sub mall
> > > > > sub mall
> > > > > submall
> > > > > sub mall
> >
> >
> >
>
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