Gene De Lisa wrote:
> Since you asked, you get off track right there. :)
Thank you for putting me back on track! :-)
> for bmp the container calls ejbFind... to match the find... in the
> home. The ejbFind returns the pks to the container. The container
> then creates (or gets from a cache) ejbobjects and shoves the pk
> into them. that is for each pk there will be one ejbobject with the
> pk inside it. references to the ejbobjects are then returned.
Aha, I see. So what gets returned to the client is an Enumeration of
remote references to <SOMETHING>, where that something need contain
only the primary key of the desired object, as the loading of the rest
of the entity info can be deferred. However, as Rickard pointed out,
the container may choose to eagerly load the entity info. Assaf
pointed out that there will at least n+1 SQL SELECTs if the client
examines n of the findBySomeField matches. Okay, I think I get it
now. Thanks.
Just out of curiosity, what, typically, is the <SOMETHING> I referred
to above? I guess it's a container-generated implementation of the
Person (or whatever) public interface, with all this magic heuristic
loading capabilities embedded in it?
- Rujith.
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