There must already be an array for the table, so just iterate the array
every minute or whatever (single repeating timer), compare the times to
[NSDate date} and start or shut down whatever has not been started or shut
down.  Much easier than trying to manage timers.


On 9/29/11 8:06 PM, "cocoa-dev-requ...@lists.apple.com"
<cocoa-dev-requ...@lists.apple.com> wrote:

>> > Perhaps, instead of timers, you use objects that represent one of these
>> set-top boxes and the time at which they should be shutdown.  And instead of
>> scheduling and managing timer, you manage the domain objects instead.  Then,
>> you have one timer, that checks all of your objects and sees if they should
>> be shut down.
> 
> 
> But when re-reading the thread I see this is exactly what John suggested:
> 
>> > Could you use a single, repeating timer with sufficient resolution for your
>> purposes and an array or dictionary storing the needed timing state?  Then
>> update state appropriately at each fire of the single timer?"


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