Hi Jan, When you configured your Data Domain in the Modeler, did you enable Remote Change Notifications under the Cache Configuration?
Thanks, /dev/mrg On 7/28/07, Jan Lendholt <[EMAIL PROTECTED]> wrote: > Hey Folks, > > I'm using Cayenne now for 2 weeks and I'm still in my playground-phase to > check out the whole functionality of this leight-weighted, but yet easy to > use framework. > > Ok, here's my problem: > > I created a table storing a custimer id (KID), a name (name) and a status > (status). > This table has one recordset with kid=2133. > > Now I start up my (Swing) application and create two instances of this > application. > Ok, I have got two buttons - one button is getting the object "Kunde" (Kunde > = Customer, german) and the other button modifies via the setter setName and > send the modification with commitChanges(). > > Well, now I am quite astonished: When I load my object in instance one then > load my object in instance two and afterwards hit den button in instance 1 > to modify & save the changes Cayenne sets an update: > > INFO QueryLogger: UPDATE ACCESS.KUNDE SET NAME = ? WHERE KID = ? AND NAME = > ? > INFO QueryLogger: [bind: 'Test 1', 2133, 'Test'] > > This is correct and works as expected. > > Now I hit the Modify & Save button in stance 2. i would expect that the > statement would look like: > > INFO QueryLogger: UPDATE ACCESS.KUNDE SET NAME = ? WHERE KID = ? AND NAME = > ? > INFO QueryLogger: [bind: 'Test 2', 2133, 'Test'] > > And because no row is affected/the row has been modified in the meantime I > would cayenne expect to raise an exception. > > But instead I get the following queries: > > INFO QueryLogger: UPDATE ACCESS.KUNDE SET NAME = ? WHERE KID = ? AND NAME = > ? > INFO QueryLogger: [bind: 'Test 2', 2133, 'Test 1'] > > Where did cayenne get the new value for name which has been set just a few > seconds before? Shouldn't cayene raise an excepption? > > In the modeler I checked the optimist locking checkbox and checked the > name-attribute to be used for optimistic locking and all references. > > Maybe one could help me, I really do not understand when cayenne is about to > raise an exception for optimist locked tables. > > Thanks in advance & best regards form Hamburg/Germany, > > Jan > > _________________________________________________________________ > Die neue MSN Suche Toolbar mit Windows-Desktopsuche. Suchen Sie gleichzeitig > im Web, Ihren E-Mails und auf Ihrem PC! Jetzt neu! http://desktop.msn.de/ > Jetzt gratis downloaden! > >
