Hi Roger, > I meant using locking as demonstrated in 'OptimisticLockingTest' junit > testclass... (maybe you meant the same)
I will check in new version of default sequence manager (SequenceManagerHighLowImpl)using optimistic locking shortly. Thanks! regards, Armin ----- Original Message ----- From: "Janssen, Roger" <[EMAIL PROTECTED]> To: "'OJB Users List'" <[EMAIL PROTECTED]> Sent: Wednesday, March 26, 2003 2:07 PM Subject: RE: SequenceGenerator might generate incorrect sequence (duplicates) > Hi. > > >Currently locking is a ODMG-api feature, thus it does not help. Further > >on to make 'safe locks with different JVM' you have to use the > >persistent locking mode, this will slow down performance. > > I meant using locking as demonstrated in 'OptimisticLockingTest' junit > testclass... (maybe you meant the same) > > >Which database do you use? > > > >regards, > >Armin > > currently we use HSQL as an embedded database, but upscaling is very well > possible, depending on customer demands. > > Using the embedded database (one webapp/one database), the problem does not > occur. I stumbled on this problem looking at the sequencemanager code > because i 'loose' numbers upon shutdown/restart of ojb (even with grabsize > to 1 .... hey.. i now realize i should put the grabsize to zero)! > > Roger janssen > > > ************************************************************************ * > The information contained in this communication is confidential and is > intended solely for the use of the individual or entity to whom it is > addressed.You should not copy, disclose or distribute this communication > without the authority of iBanx bv. iBanx bv is neither liable for > the proper and complete transmission of the information has been maintained > nor that the communication is free of viruses, interceptions or interference. > > If you are not the intended recipient of this communication please return > the communication to the sender and delete and destroy all copies. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
