tomee-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Romain Manni-Bucau <rmannibu...@gmail.com>
Subject Re: Lazy loading from remote context
Date Fri, 07 Oct 2016 15:19:35 GMT
Hi

not sure I got it all right but the constraint for lazy loading to work is
to have a single transaction so ensure the transactionality of your code is
the one you expect.



Romain Manni-Bucau
@rmannibucau <https://twitter.com/rmannibucau> |  Blog
<https://blog-rmannibucau.rhcloud.com> | Old Wordpress Blog
<http://rmannibucau.wordpress.com> | Github <https://github.com/rmannibucau> |
LinkedIn <https://www.linkedin.com/in/rmannibucau> | Tomitriber
<http://www.tomitribe.com> | JavaEE Factory
<https://javaeefactory-rmannibucau.rhcloud.com>

2016-10-07 17:09 GMT+02:00 ict <ict.management.trexon@gmail.com>:

> Hi, a simple question, how do I make a Lazy loading of a field, a course
> @Entity, after having requested through a remote interface of a session
> bean
> (OpenEjb, Tomee 1.7.4, OpenJPA):
>
> APP_A:
> @Embedd public class EmbeddCustomClass{...}
> @Entity
> public class Person{
> ..
>   //Default Lazy
>   private List<EmbeddCustomClass> surnames;
> ...getters and setters
> }
> @Remote public interface PersonEntityManagerRemote{ public Person
> getPerson(int id);}
> @Stateless public class PersonEntityManager implements
> PersonEntityManagerRemote{
>   @PersistenceContext(unitName="person-pu") private EntityManager
> personPu;
>   @Override public Person getPerson(int id){return
> personPu.find(Person.class, id);}
> }
>
> FROM MANAGED BEAN IN SAME APPCONTEXT LAZY WORK FINE
>
> APP_B:
> FROM REMOTE CONTEXT, BUT IN SAME RUNNING SERVER:
>
> @Stateless public class RemoteBean{
>
>   @EJB private PersonEntityManagerRemote;
>
>   pubic void aMethod(){
>      Person person = PersonEntityManagerRemote.getPerson(12);//THIS WORK
> FINE
>      List<EmbeddCustomClass> surnames = person.getSurnames();//THIS NOT
> LAZY
> LOAD
>   }
> }
>
> Tank!
>
>
>
> --
> View this message in context: http://tomee-openejb.979440.
> n4.nabble.com/Lazy-loading-from-remote-context-tp4680313.html
> Sent from the TomEE Users mailing list archive at Nabble.com.
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message