Re: [appengine-java] Best way to dynamic scheduled task

2012-03-05 Thread ale
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

Re: [appengine-java] Best way to dynamic scheduled task

2012-03-05 Thread Jeff Schnitzer
It depends on your data volume and timeline... lots of alarms set out 12 months mean you have a huge churn just to keep state. And you'll have to use the task-name trick to prevent tasks which execute twice (they do sometimes) from re-enlisting a second future task, otherwise you will end up with

[appengine-java] Best way to dynamic scheduled task

2012-03-04 Thread ale
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