On Thu, Apr 1, 2010 at 10:56 AM, sapatel [via OpenJPA] <
[email protected]<ml-node%[email protected]>
> wrote:
> What I want to do is I want all my JPA entities to extend some BaseEntity
> class where can I define some properites (which are not table columns) to
> use/share.
Just do it:
public class A {
// no matter what you put in here it won't be mapped to the database,
// even if you use JPA annotations.
}
@Entity
public class B extends A {
// All state and behavior is available from A. Only fields defined in B
that are
// annotated with JPA annotations will get mapped to the database.
}
(If you want some of A's state to be mapped, then you want to look at the
@MappedSuperclass annotation, but that is not what you are claiming you want
from your question.)
Best,
Laird
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