Did you have a suggestion regarding this Pinaki - or does OpenJPA only keep track of changed values - not the whole original object?
/Bengt 2011/7/15 Bengt Rodehav <be...@rodehav.com> > I don't understand Pinaki. > > The "this" pointer is the current version of the object (the one that is > about to be persisted) right? I want the previous version of the object. I > have used your code from the blog (and added some of course) like this: > > * >>> >>> PersistenceCapable currentState = (PersistenceCapable) this; >> >> StateManagerImpl sm = (StateManagerImpl) >>> currentState.pcGetStateManager(); >> >> SaveFieldManager sfm = sm.getSaveFieldManager(); >> >> PersistenceCapable oldState = sfm.getState(); >> >> EntityBase old = (EntityBase) oldState; >> >> old = (EntityBase) oldState; >> >> >>> AuditLogEntry entry = new AuditLogEntry(); >> >> entry.setSerializedState(cAuditLog.serialize(old)); >> >> entry.setEntityId(old.getId()); >> >> entry.setCreatedWhen(old.getCreatedWhen()); >> >> entry.setCreatedBy(old.getCreatedBy()); >> >> entry.setUpdatedWhen(old.getUpdatedWhen()); >> >> entry.setUpdatedBy(old.getUpdatedBy()); >> >> entry.setVersion(old.getVersion()); >> >> >> >> EntityManager em = OpenJPAPersistence.getEntityManager(this); >> >> em.persist(entry); >> >> >> * > > > cAuditLog is an object which uses Gson to serialize the object to a String. > > The problem is that only those fields that I have actually updated are > initialized in the variable "old". The rest of the fields are uninitialized. > In my case I do not only want to save the changed fields but the whole > object. How can I make sure that "old" is fully initialized? > > /Bengt > > 2011/7/15 Pinaki Poddar <ppod...@apache.org> > >> The whole object is *this* pointer on which you received the callback. >> You can safely cast it into PersistenceCapable and get to know all about >> its >> state. >> >> Please see the blog post -- it has some toy code. >> >> ----- >> Pinaki Poddar >> Chair, Apache OpenJPA Project >> -- >> View this message in context: >> http://openjpa.208410.n2.nabble.com/Audit-log-with-OpenJPA-tp6557932p6585154.html >> Sent from the OpenJPA Users mailing list archive at Nabble.com. >> > >
