Hi Dalibor,
one more idea, which might prevent you from duplicating the fields:
Instead of an EmbeddedId, use an IdClass (annotate the entity with "IdClass").
This class will have the same fields as the EmbeddedId, but no further
annotations.
All primary key fields are part of your entity. The timestamp property has to
be copied to the subclass, best with an @Override annotation, and getter/setter
just call the base class methods.
Here is a snippet:
| public class MyId implements Serializable
| {
| public TimeStamp getSomething()
| {
| ...
| }
| public Integer getOtherIdFields()
| {
| ...
| }
| }
|
| @IdClass(value=MyId.class)
| public MyEntity extends BaseEntity implements Serializeable
| {
| @Id
| @Override
| public TimeStamp getSomething()
| {
| return super.getSomething();
| }
| ...setter...
|
The ID class is required to make "entityManager.find" work, and inserting of
entities will not work without. So you need the ID class even if your code does
not need it.
Hope this helps (and works ;-) )
Wolfgang
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