Yes it is detachable. So you need to detach & re-attach the object using the code samples in http://www.jpox.org/docs/1_2/jdo/attach_detach.html
On Mon, Jan 3, 2011 at 5:44 AM, lisandrodc <[email protected]> wrote: > Hi Stevko! The class "Torneo", it's definite: > > > @PersistenceCapable(identityType=IdentityType.APPLICATION,detachable="true") > public class Torneo implements Serializable { > /* > * @author Lisandro della Croce > */ > @PrimaryKey > @Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY) > > private Key id; > @Persistent > private String nombre; > ...... > @Persistent(defaultFetchGroup = "true") > private List<Equipo> equiposTorneo; > > > Is correct? > > Regards > > On Jan 3, 9:06 am, "A. Stevko" <[email protected]> wrote: > > I think the inconsistent saving that you are experiencing has to do with > how > > the parent object, Torneo, is being accessed. > > You are passing an database object reference into a transaction. > > Is that object "detachable" ? > > > > If not, then you should be retrieving it and updating it within the same > > transaction. > > See Updating an Object inhttp:// > code.google.com/appengine/docs/java/datastore/creatinggettinga... > > > > If so, then you should re-attach it prior to updating it. > http://www.jpox.org/docs/1_2/jdo/attach_detach.html > > > > Hope this helps. > > --Andy > > > > > > > > > > > > On Mon, Jan 3, 2011 at 3:47 AM, lisandrodc <[email protected]> wrote: > > > Hi! I have a problem with the persistence of an existing object > > > "Torneo" (with a empty collection of objects "Equipo"). > > > When I add elements to the collection and want to persist, > > > sometimes persist and sometimes not persist in the > > > datastore(Restarting the server of the application). The code of > > > example: > > > public void agregarEquipoConTorneo(Torneo unTorneo, Equipo unEquipo) > > > { > > > /*add Equipo with a existing "Torneo" in the > > > datastore, the "unTorneo"(param) class obtain with: > > > Torneo b = > > > pm.getObjectById(model.Torneo.class, idTorneo);*/ > > > Transaction tx = pm.currentTransaction(); > > > try { > > > tx.begin(); > > > unTorneo.agregarEquipo(unEquipo); > > > //add unEquipo to collection "equipos" > > > pm.makePersistentAll(unTorneo); > > > tx.commit(); > > > System.out.println("persistioTorneoConEquipo"); > > > } finally { > > > pm.close(); > > > if (tx.isActive()) { > > > tx.rollback(); > > > } > > > } > > > Does it design someone of what this one happening? > > > Thanks! > > > Regards > > > Lisandro > > > > > -- > > > You received this message because you are subscribed to the Google > Groups > > > "Google App Engine for Java" group. > > > To post to this group, send email to > > > [email protected]. > > > To unsubscribe from this group, send email to > > > [email protected]<google-appengine-java%[email protected]><google-appengine-java%2B > [email protected]> > > > . > > > For more options, visit this group at > > >http://groups.google.com/group/google-appengine-java?hl=en. > > > > -- > > -- A. Stevko > > =========== > > "If everything seems under control, you're just not going fast enough." > M. > > Andretti > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine for Java" group. > To post to this group, send email to > [email protected]. > To unsubscribe from this group, send email to > [email protected]<google-appengine-java%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/google-appengine-java?hl=en. > > -- -- A. Stevko =========== "If everything seems under control, you're just not going fast enough." M. Andretti -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
