Re: [Hibernate] Selecting rows only from a particular table

[The R. <the...@gm...>]

Thanks to all for your replies. Lazy loading does the trick!



On 4/24/07, Dmitri Colebatch <di...@co...> wrote:
>
> Hi,
>
> I think you'd be better off here: http://forum.hibernate.org/
>
> The answer to your question is lazy loading, see http://www.hibernate.org/hib_docs/v3/reference/en/html/performance.html#performance-fetching-lazy
>
>
> cheers,
> dim
>
>
>  On 4/23/07, The Rhythmic <the...@gm...> wrote:
>
> >  Hi,
> >
> > Am using Hibernate with Java Persistence API.
> >
> > The question, in short is:
> > How do I restrict the Java Persistence API to access rows only from one
> > table & not from any other table i.e. Even though it might require
> > access to other tables, it should access rows only from one particular
> > table. How to enforce this?
> >
> > In detail, this' the problem:
> >
> > We have a data model like this:
> >
> > Level 1 class
> > ......within this there is Level 2 class
> > ............within Level 2, there is Level 3 class
> >
> > it's just like XML data where we have a tag within another tag & so on.
> > The root tag is Level1 & the tags in the next level are Level2, let's
> > assume...and so on.
> >
> > i.e. an instance of Level1 class can contain many objects of Level2
> > within it. And an instance of Level2 class can contain many objects of
> > Level3 within it. Within the Level1 class, we have methods to fetch
> > corresponding objects from Level2. & the same for Level2 class. So, using
> > Java Persistence API, when accessing instances of Level1, they automatically
> > fetch corresponding instances of Level2 & Level3. Level1 has a corresponding
> > table in the database called Level1. & the same with Level2 & Level3. How do
> > I restrict the Java Persistence API to fetch objects only from Level1 table
> > & not from other tables?
> >
> > Thanks.
> >
> >
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