Thanks! This is definitely a more elegant way to handle it. But one question... do I really have to lock the reads? ...kidding! Just kidding... ;-)
--Jeff On 5/9/2005 3:13 PM, Matt Robertson wrote: > I do what Adam does. Application scope array, all reads and writes > properly locked :-). A user tries to hit an edit page. The requested > record ID is compared to a list of reserved IDs and, if the record is > not in the array, it is added in along with user ID and 'last > accessed' time. Every time the user hits that page (which could be a > form post or a link get -- i.e. they moved to a subsidiary screen > controlling something for that page) the 'last accessed' value is > updated. > > Before any user executes the above the system first loops over the > records in the array and determines if any of the 'last accessed' > values have expired -- where expiration is determined as a time > interval longer than the allowed session expiry of the application. > Any lock fitting this criterion is released. > > Also a separate admin app allows superadmins to manually break locks, > so if a user exits the record improperly (for example closing the > browser) there exists a method to break the lock before it expires. > > I keep meaning to write up a paper on this. Its really cool, and a > fairly common question. > -- ________________________________________________________ Jeff Langevin Web Programmer Appalachian Mountain Club [EMAIL PROTECTED] 5 Joy Street, Boston, MA 02108 617-523-0655 x302 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Logware (www.logware.us): a new and convenient web-based time tracking application. Start tracking and documenting hours spent on a project or with a client with Logware today. Try it for free with a 15 day trial account. http://www.houseoffusion.com/banners/view.cfm?bannerid=67 Message: http://www.houseoffusion.com/lists.cfm/link=i:4:206106 Archives: http://www.houseoffusion.com/cf_lists/threads.cfm/4 Subscription: http://www.houseoffusion.com/lists.cfm/link=s:4 Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=11502.10531.4 Donations & Support: http://www.houseoffusion.com/tiny.cfm/54
