How would you do it in a non-servlet environment? Exactly the same works here too.
regards Leon On Tue, Nov 17, 2009 at 4:43 PM, David Balažic <[email protected]> wrote: > Hi! > > Does tomcat offer any mechanism for locking servlet executions? > > So if one servlet does: > - get 10 EUR from account 1 (read account 1 balance; substract 10; > store new balance) > - add 10 EUR to account 2 (...) > > How can I make sure no other servlet does (read account 1 balance; > sustract 10; store new balance) at the same > time and cause lost account money? > > The account data is in a database, accessed over hibernate (or > directly, if needed). > > Regards, > David > > --------------------------------------------------------------------- > 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]
