Hi Didier,
with Objectify is possible to create a Entity with two distinct
childrens?
example:
class A {
@Id Long Id;
}
class B {
@Id Long Id;
}
class C {
@Id Long Id;
@Parent Key<A> a;
@Parent Key<B> b;
}
regards,
vanio.
On 20 nov, 14:41, Didier Durand <[email protected]> wrote:
> Hi,
>
> I would recommend Objectify (which I use heavily): seems to match your
> need.
>
> regards
> didier
>
> On Nov 20, 1:20 pm, Roberto Saccon <[email protected]> wrote:
>
> > maybe a good place to start is sourcecode of lowlevel-based frameworks
> > like slim3 or objectify
> > --
> > Roberto
>
> > On Nov 20, 8:13 am, Tom <[email protected]> wrote:
>
> > > Hi there,
>
> > > I'm searching for information of entity relation ships in appengine.
> > > JPA for example supports relations between entites (one-to-one,
> > > ont-to-many, many-to-many). As far as I know by know the underlying
> > > datastore doesn't direktly support this and not join queries (different
> > > entities).
>
> > > How do you store Customer -> Orders in the datastore? Is there low
> > > level API example code?
> > > Would I store an entity "Customer" with attributes and a list of order
> > > ids?
>
> > > Any help highly appreciated.
> > > Thanks
> > > Tom
>
>
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