[OJB-developers] conditional persistence of objects

[Bastian S. <Ch...@gm...>]

hi you OJB developers,
i've bee working with OJB for a couple of months now and in my opinion you=
 are performing great work.

in my application's datamodel there are many objects (A) that reside in a=
 default, dummy or empty state at runtime and i would like them not being=
 persisted, when all the other objects (B) around them are stored in the=
 database and all references / fks to them stored as SQL NULL values.
on the other hand, on matialization of objects B containing NULL references=
 / fks to A's, these references should be filled with dummy A's.
the A objects have a method that "decides" whether these objects should be=
 persisted or not.
this "mechanism" should also work with collection descriptors.

now, my question is how this behaviour could be realized with OJB and where=
 are the "right" starting points for this.

thanks in advance
bastian schmitz