Here is what I would like to do:
This is my bussiness interface:
package pl.com.filmservice.ejb;
|
| import java.sql.Date;
| import java.util.List;
| import pl.com.filmservice.par.*;
|
| public interface FilmService
| {
| ...
| public void createUser(User user);
| ...
| }
and the implementing bean:
package pl.com.filmservice.ejb;
|
| import java.sql.Date;
| import java.util.List;
| import java.util.ArrayList;
| import javax.ejb.*;
| import javax.persistence.*;
| import pl.com.filmservice.par.*;
|
| @Stateless
| public class FilmServiceBean implements FilmService
| {
| @PersistenceContext(unitName="FSWise")
| EntityManager em;
| ...
| public void createUser(User user)
| {
| em.persist(user);
| }
| ...
| }
What I would like to do is to check if the em.persist(user) threw a pk
constraint violation exception, catch it and throw my own exception class so
that I can cathc it later on in the application.
The problem is that the transaction ends when the createUser method ends and
then the exception is thrown. I would like to catch it just after persist()
invocation.
I've tried to use EntityManager.createTransaction(), begin the transaction and
commit it just after the persist, but then i get the illegalStateException (i
can't call beginTransaction on the managed, injected EntityManager).
Any ideas about how to solve the problem?
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