I'm not sure, but maybe you could have a 3rd servlet which could implement the singleThreadModel, and have the responsibility of synchronizing acces to the database. Just an idea.
--Monte Glenn Gardner On Tue, 2 Oct 2001, Nguyen Van Hoang wrote: > Tks Richard, but I must have a synchronized func. because each servlet > must know the "current" value of that field before deciding whether update > that field or not. So the point is: is that value reached bound value ??? > Maybe when servlet A read that value X, X is under bound value and A > decide to increase X and do some actions with our virtual machine. But, at > the same time, servlet B is reading X and also try to increase X and do some > other actions with our machine. X is not important, but if A and B try to do > many actions in our machine (at the same time), our machine will die ... > That's why I need a synchronized function (or object) between 2 (or > more) servlets to ensure that our simulated machine does not have to receive > many requests at the same time. > Tks for reading my mail > Eric > > --------------------------------------------------------------- > Nguyen Van Hoang > R&D Engineer > Arawana Project > MIS Team > SSL Viet Nam Ltd. > ----- Original Message ----- > From: "Richard Yee" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Tuesday, October 02, 2001 12:22 PM > Subject: Re: Fw: Synchronized classes ... > > > > Nguyen, > > You do not need to synchronize any of the methods in the servlets. > > If you are only reading the database, there is no need to synchronize any > > of the methods because the data is not changing. > > If you are reading and then updating the database, you would want to begin > > a transaction before you read and update. > > > > Regards, > > > > Richard > > ___________________________________________________________________________ > To unsubscribe, send email to [EMAIL PROTECTED] and include in the body > of the message "signoff SERVLET-INTEREST". > > Archives: http://archives.java.sun.com/archives/servlet-interest.html > Resources: http://java.sun.com/products/servlet/external-resources.html > LISTSERV Help: http://www.lsoft.com/manuals/user/user.html > > ___________________________________________________________________________ To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "signoff SERVLET-INTEREST". Archives: http://archives.java.sun.com/archives/servlet-interest.html Resources: http://java.sun.com/products/servlet/external-resources.html LISTSERV Help: http://www.lsoft.com/manuals/user/user.html
