Re: Keeping NSTimeInterval updated with current time
Re: Keeping NSTimeInterval updated with current time
- Subject: Re: Keeping NSTimeInterval updated with current time
- From: "Sean McBride" <email@hidden>
- Date: Mon, 2 Nov 2009 18:24:55 -0500
- Organization: Rogue Research Inc.
On 11/2/09 4:10 PM, PCWiz said:
>In my model class I have 2 properties, timeInterval and postedTime.
>postedTime contains a static date. timeInterval uses the
>timeIntervalSinceNow method to find the number of seconds that has
>passed by since the date in postedTime.
What do you mean 'static'? If it never changes, why do you model it?
>What I want to do is around every 5 minutes, update the timeInterval
>to be consistent with the current time. The problem is that I need to
>do this update for a large number of instances of the object. One way
>I could think to do this would be to enumerate through the array
>containing the objects every 5 minutes and just set the timeInterval
>property. But is there a more efficient way to do this?
How many is "large"? If you need to change them all, then you need to
change them all (ie you'll have to enumerate them all). Have you
observed a performance problem because of this?
--
____________________________________________________________
Sean McBride, B. Eng email@hidden
Rogue Research www.rogue-research.com
Mac Software Developer Montréal, Québec, Canada
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