From my experience, you really don't want to put CommitAfter on a generic
method like that.
It really doesn't do what you expect in code like this:
void saveSomeData(List<Widget> widgets) {
for (Widget w: widgets) {
widgetDao.saveWidget(widget);
}
}
In that case, assuming saveWidget is annotated with @CommitAfter, every
iteration of the loop will commit separately, which is likely not what you want.
The @CommitAfter annotation is much better used in your page classes to commit
transactions after a logical unit of work is complete.
Tony
> -----Original Message-----
> From: Eugen [mailto:eugens...@gmail.com]
> Sent: Wednesday, April 30, 2014 4:48 PM
> To: Tapestry users
> Subject: @CommitAfter for GenericDao
>
> Hi,
> I try to use the CommitAfter on a GenericDao, but the method does not
> commit the transaction. Does it exists a worcaround to do that?
>
> This is the code:
>
> public interface GenericDao<T> {
> @CommitAfter
> public void save(T entity);
> }
>
> public abstract class GenericDaoImpl<T> {
> @Override
> public void save(T entity) {
> entityManager.persist(entity);
> }
> }
>
> public interface UserDao extends GenericDao<User> { }
>
> public class UserDaoImpl extends GenericDaoImpl<User> implements
> UserDao { }
>
> and respective advisor in AppModule:
>
> @Match("*Dao")
> public static void adviseTransactions(JpaTransactionAdvisor advisor,
> MethodAdviceReceiver receiver) {
> advisor.addTransactionCommitAdvice(receiver);
> }
>
> if I place the save() function into the UserDao all works fine.
>
> Thanks in advice
> Eugen
>
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