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From Rick Curtis <curti...@gmail.com>
Subject Re: javax.persistence.EntityListeners is never called
Date Wed, 15 Oct 2014 15:24:37 GMT
Yes, there are numerous unit tests, please take a look at the one that I've
noted below.

https://svn.apache.org/repos/asf/openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/callbacks/TestEntityListeners.java

On Wed, Oct 15, 2014 at 10:00 AM, <gouessej@orange.fr> wrote:

> Are there any unit tests that I can run and modify to reproduce my
> problem? This is typically what I do with JogAmp.
>
> > Message du 15/10/14 16:42
> > De : "Rick Curtis"
> > A : "users" , gouessej@orange.fr
> > Copie à :
> > Objet : Re: javax.persistence.EntityListeners is never called
> >
> > >Getting rid of this property doesn't solve my problem.
> > Sorry about muddying the waters. As I stated, that suggestion isn't
> related
> > to the current problem... it is a best practice. That property is busted
> > and you can fairly easily get into deadlocks.
> >
> > I am still confused The reason @PostLoad isn't called is because your
> > snippets look good. Can I have you put together some sort of a
> recreatable
> > test? That will help speed up diagnosis.
> >
> > Thanks,
> > Rick
> >
> > On Wed, Oct 15, 2014 at 4:35 AM,  wrote:
> >
> > > Getting rid of this property doesn't solve my problem.
> > >
> > > My listener:
> > >
> > > @Singleton
> > > public class MultiLangStringEntityListener {
> > >
> > > @PostLoad
> > > @SuppressWarnings("UseSpecificCatch")
> > > public void postLoad(Object entity) {
> > >
> > >
> > > An entity:
> > > @Entity
> > > @EntityListeners({MultiLangStringEntityListener.class})
> > > @Table(name = "THEME")
> > > @XmlRootElement(name = "Theme")
> > > @NamedQueries({
> > > @NamedQuery(name = "DmTheme.findAll", query = "SELECT d FROM DmTheme
> d")})
> > > public class Theme implements Serializable {
> > > private static final long serialVersionUID = 1L;
> > > // @Max(value=?) @Min(value=?)//if you know range of your decimal
> fields
> > > consider using these annotations to enforce field validation
> > > @Id
> > > @Basic(optional = false)
> > > @GeneratedValue(strategy = GenerationType.SEQUENCE, generator =
> > > "SEQ_THEME")
> > > @SequenceGenerator(name = "SEQ_THEME", sequenceName = "SEQ_THEME",
> > > allocationSize = 1)
> > > @Column(name = "ID")
> > > private BigInteger id;
> > > @Embedded
> > > @AttributeOverrides({
> > > @AttributeOverride(name = "id", column = @Column(name = "DESCR",
> > > nullable=false)),
> > > @AttributeOverride(name = "lang", column = @Column(insertable = false,
> > > updatable = false, name = "DESCR")),
> > > @AttributeOverride(name = "text", column = @Column(insertable = false,
> > > updatable = false, name = "DESCR"))
> > > })
> > > private MultiLangString descr;
> > >
> > >
> > > The embeddable class:
> > >
> > > @Embeddable
> > > public class MultiLangString implements Serializable {
> > >
> > > private static final long serialVersionUID = 1L;
> > > private String id;
> > > private String lang;
> > > private String text;
> > >
> > > public MultiLangString() {
> > > }
> > >
> > >
> > > Some of my entity classes use both @Embedded and @EmbeddedId but not on
> > > the same field. I don't know what is wrong as it still works with
> Hibernate
> > > whereas I try to stay far from its specific features as you can see in
> this
> > > bug report:
> > > https://hibernate.atlassian.net/browse/HHH-9437
> > >
> > >
> > > > Message du 14/10/14 17:45
> > > > De : "Rick Curtis"
> > > > A : "users" , gouessej@orange.fr
> > > > Copie à :
> > > > Objet : Re: javax.persistence.EntityListeners is never called
> > > >
> > > > One thing that jumps out of your p.xml is the openjpa.Multithreaded
> > > > property. I suggest you get rid of that property and ensure that you
> > > aren't
> > > > sharing EntityManager's across threads... but I don't think that is
> > > related
> > > > to the problem you are currently having.
> > > >
> > > > Can you post relevant snippets of your Entity?
> > > >
> > > > On Tue, Oct 14, 2014 at 10:39 AM, wrote:
> > > >
> > > > > Sorry for the confusion. No I'm not using those callbacks on an
> > > Embeddable
> > > > > but when I switched to OpenJPA, I remember that I had to add the
> > > classes
> > > > > with @Embeddable into persistence.xml whereas it wasn't necessary
> with
> > > > > Hibernate.
> > > > >
> > > > > The class that uses those callbacks uses the annotation @Singleton,
> > > > > removing it doesn't solve my problem.
> > > > >
> > > > > Please find enclosed the file.
> > > > >
> > > > >
> > > > > > Message du 14/10/14 17:31
> > > > > > De : "Rick Curtis"
> > > > > > A : "users" , gouessej@orange.fr
> > > > > > Copie à :
> > > > > > Objet : Re: javax.persistence.EntityListeners is never called
> > > > > >
> > > > > >
> > > > > 2.4.x is the latest.
> > > > >
> > > > > >
> > > > > If I understand your previous posts, are you using
> callbacks(@Preload,
> > > > > @Postload, etc, etc) on an Embeddable? If that is the case, I'm not
> > > sure if
> > > > > it is suppose to work? Can I have you post some Entity/embeddable
> > > snippets
> > > > > so we can better understand what you want to do?
> > > > >
> > > > > >
> > > > > Thanks,
> > > > > Rick
> > > > > >
> > > > >
> > > > > >
> > > > >
> > > > > >
> > > > >
> > > > >
> > > > >
> > > > > >
> > > > > On Tue, Oct 14, 2014 at 8:20 AM, wrote:
> > > > > >
> > > > > I use OpenJPA 2.4.0. I'm going to try with a more recent version
if
> > > any.
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > > Message du 14/10/14 00:14
> > > > > > > De : "Kevin Sutter"
> > > > > > > A : users@openjpa.apache.org, gouessej@orange.fr
> > > > > > > Copie à :
> > > > > > > Objet : Re: javax.persistence.EntityListeners is never
called
> > > > > > >
> > > > > > > Hi,
> > > > > > > The complete trace can be turned on via this property in
your
> > > p.xml:
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > Good luck,
> > > > > > > Kevin
> > > > > >
> > > > >
> > > > > >
> > > > > > > On Mon, Oct 13, 2014 at 1:01 PM, wrote:
> > > > > > >
> > > > > > > > Hi
> > > > > > > >
> > > > > > > > I use Apache OpenEJB 4.7.1 (probably OpenJPA 2.2 or
2.3). I
> have
> > > > > looked at
> > > > > > > > the logs and I have already done my best to force
the
> > > persistence of
> > > > > all
> > > > > > > > entity classes including those Hibernate was able
to discover
> > > alone,
> > > > > for
> > > > > > > > example the class using @Embeddable. As I'm currently
not at
> > > work, I
> > > > > can't
> > > > > > > > post the persistence.xml but I'll do it tomorrow.
What
> should I
> > > turn
> > > > > on to
> > > > > > > > get some more trace? Thank you for your help.
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > > > Message du 13/10/14 19:07
> > > > > > > > > De : "Kevin Sutter"
> > > > > > > > > A : users@openjpa.apache.org, gouessej@orange.fr
> > > > > > > > > Copie à :
> > > > > > > > > Objet : Re: javax.persistence.EntityListeners
is never
> called
> > > > > > > > >
> > > > > > > > > Hi,
> > > > > > > > > EntityListeners should work just fine with OpenJPA.
What
> > > version of
> > > > > > > > > OpenJPA are you using? The basic support is documented
> here:
> > > > > > > > >
> > > > > > > >
> > > > >
> > >
> http://ci.apache.org/projects/openjpa/trunk/docbook/manual.html#jpa_overview_pc_callbacks
> > > > > > > > >
> > > > > > > > > Are there any other messages in the logs that
indicate an
> > > issue?
> > > > > Have you
> > > > > > > > > tried turning on Trace to ensure that normal
persistence
> > > > > processing is
> > > > > > > > > happening? Can you post your p.xml? Like I mentioned,
this
> > > should
> > > > > all
> > > > > > > > > just work. We'll need a bit more context to help
figure
> out the
> > > > > problem.
> > > > > > > > >
> > > > > > > > > Kevin
> > > > > > > > >
> > > > > > > > > On Mon, Oct 13, 2014 at 10:56 AM, wrote:
> > > > > > > > >
> > > > > > > > > > Hello
> > > > > > > > > >
> > > > > > > > > > I use javax.persistence.EntityListeners.
The persistent
> > > classes
> > > > > of the
> > > > > > > > > > entities are correctly added into persistence.xml.
My
> test
> > > case
> > > > > works
> > > > > > > > > > correctly with Hibernate and OpenJPA except
that the
> > > annotated
> > > > > methods
> > > > > > > > > > (with @PostLoad, @PreUpdate, @PrePersist
and
> @PostRemove) are
> > > > > never
> > > > > > > > called
> > > > > > > > > > by OpenJPA whereas they are called by Hibernate.
Am I
> missing
> > > > > anything
> > > > > > > > > > obvious? Best regards.
> > > > > > > > > >
> > > > > > > > >
> > > > > > > >
> > > > > > >
> > > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > >
> > > > >
> > > > > >
> > > > > --
> > > > > > Rick Curtis
> > > > > >
> > > > >
> > > >
> > > >
> > > >
> > > > --
> > > > *Rick Curtis*
> > > >
> > >
> >
> >
> >
> > --
> > *Rick Curtis*
> >
>



-- 
*Rick Curtis*

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