This was like my first idea, and I think that will work. My doubt was about the use of the resource... I think that using task queue (as suggested by Ian Marshall) is less expansive than a cron job... Are you agree?
Thanks Alessandro On Monday, March 5, 2012 4:19:04 PM UTC+1, Jeff Schnitzer wrote: > > When you set the alarm you want to create an Alarm object in the datastore > somewhere. Have a cron that queries this table by date every minute. When > it finds an entity, send the email and delete the Alarm. > > You need to record some way of recognizing when specific Alarms have been > sent; you can't always guarantee that cron executes on schedule or that > clocks are not skewed by some random number of minutes. The natural way to > do this is by creating/deleting an object. > > Jeff > > On Sun, Mar 4, 2012 at 9:10 AM, ale <ale.....@gmail.com> wrote: > >> Hi everybody,Hello >> I'm writing an application that works as a calendar online (like google >> calendar). >> My question is: if a user sets an event to an hour, and I wanted to put an >> alarm to alert him (eg an email), how can I do ? >> I save the date of the event in a table, then >> I put up a task that checks every minute, and if the corret hour and send >> him the mail? There are better ways? >> >> thanks a lot! >> Alessandro >> >> -- >> >> > -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-appengine-java/-/k0jLG8FQL8QJ. To post to this group, send email to google-appengine-java@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
