What do you mean by << improved cache for the ODMG and JDO layer >>,
Le lun 14/10/2002 � 21:36, Thomas Mahler a �crit : > Hi Kevin, > > Kevin Viet wrote: > > When I query an OJB API (ODMG or PersistentBroker) for a persistent > > object, the API returns the object I want. > > > > If two threads query the API for this object, they share the same > > reference on this object. > > correct. > > > > > So if a thread change a value (without update the object through the > > API) of the object, the other thread will see this change (even for the > > object cache) > > correct for PB API. For ODMG we have a pessimistic locking that will > protect against such conflicts. > > > > > Won't any problem arise if thread1 change some values and thread2 is > > commiting the update. > > correct > > > Why don't APIS returns value objects and not object referenced by the > > cache ... > > > > We have decided to change this behaviour! We will have caches per broker > and an improved cache for the ODMG and JDO layers. > > cheers, > Thomas > > > > > > > > > > -- > To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> > For additional commands, e-mail: <mailto:[EMAIL PROTECTED]> -- Kevin Viet <[EMAIL PROTECTED]> ActiVia Networks -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
