hi david.

thanks for this response also.  sorry that i didn't reply sooner on this one.

do you know if this behavior is standard across all app servers?

thank you.




At 23:11 02/12/05 -0500, you wrote:
At the moment jboss figures the BASE and EXTENDED entity beans are
unrelated and is happy if they have the same id.  I've been trying to get
some discussion going about how to support polymorphic entity beans in
jboss, but so far haven't had much response.

JBoss 4 will be able to map an entity to more than one table, so the
vertical partitioning (and presumably the typed scheme) will be possible.

you are pretty much on your own for generateing pk values anyway, so you
can choose a scheme whereby BASE and EXTENDED don't share numbers.

david jencks


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