Yeah, that sounds right to me too.  Throw a date/time stamp on there &
then you can batch up your transaction records as-of-time-x, anytime
after time-x has passed.

-Roy

-----Original Message-----
From: Discussion of advanced .NET topics.
[mailto:[EMAIL PROTECTED] On Behalf Of gregory young
Sent: Wednesday, September 27, 2006 2:49 PM
To: [email protected]
Subject: Re: [ADVANCED-DOTNET] Triggering events at precise moments of
the day

You beat me to it John ..

What I would do here is keep the transactions in a database ... and have
a seperate application close the batch by being run at a given time
(updating the database).

Cheers,

Greg

On 9/27/06, John Bergman <[EMAIL PROTECTED]> wrote:
> Is your app runing in the foreground, or as a windows service?
>
> > All those totals and counts are maintained in the memory
>
> What do you do if the power goes out?
>
> -----Original Message-----
> From: Discussion of advanced .NET topics.
> [mailto:[EMAIL PROTECTED] On Behalf Of Eddie Lascu
> Sent: Wednesday, September 27, 2006 4:44 PM
> To: [email protected]
> Subject: Re: [ADVANCED-DOTNET] Triggering events at precise moments of

> the day
>
> Ok, my bad, I didn't fully describe my application. It has to run 100%

> of the time as it does a lot of stuff. It is a router for 
> Point-of-Sale transactions. It routes POS requests between multiple 
> POS stations and the clearing operator that performs all the
credit/debit card payments.
> This application of mine keeps track of all the transactions that are 
> performed and at precise moments most close some batches and reconcile

> all the transactions with the clearing operator. All those totals and 
> counts are maintained in the memory and I need something to trigger 
> batch close operations at precise moments of the day.
> So, it doesn't do only the events I was talking about but lots of 
> other stuff.
>
> -----Original Message-----
> From: Discussion of advanced .NET topics.
> [mailto:[EMAIL PROTECTED] Behalf Of John Bergman
> Sent: Wednesday, September 27, 2006 5:35 PM
> To: [email protected]
> Subject: Re: [ADVANCED-DOTNET] Triggering events at precise moments of

> the day
>
>
> It really depends on what you need to do.
>
> You could write a C# program that manipulates the other objects and 
> structures anyway you want.  You could schedule that using the at 
> command (windows task scheduler) and even include a set of command 
> line parameters for it to run and decide what to do internally.
>
> -----Original Message-----
> From: Discussion of advanced .NET topics.
> [mailto:[EMAIL PROTECTED] On Behalf Of Eddie Lascu
> Sent: Wednesday, September 27, 2006 4:34 PM
> To: [email protected]
> Subject: Re: [ADVANCED-DOTNET] Triggering events at precise moments of

> the day
>
> They don't have COM Interfaces (my app is a plain C# win service). 
> Could you elaborate on your second solution?
> Thanks.
>
> -----Original Message-----
> From: Discussion of advanced .NET topics.
> [mailto:[EMAIL PROTECTED] Behalf Of John Bergman
> Sent: Wednesday, September 27, 2006 5:30 PM
> To: [email protected]
> Subject: Re: [ADVANCED-DOTNET] Triggering events at precise moments of

> the day
>
>
> You could use VBScript to interact with them if they have COM 
> interfaces, or you can start an Executable with the scheduler itself.
>
> -----Original Message-----
> From: Discussion of advanced .NET topics.
> [mailto:[EMAIL PROTECTED] On Behalf Of Eddie Lascu
> Sent: Wednesday, September 27, 2006 4:28 PM
> To: [email protected]
> Subject: Re: [ADVANCED-DOTNET] Triggering events at precise moments of

> the day
>
> How would that interact with all the structures and objects that are 
> created in my app?
>
> -----Original Message-----
> From: Discussion of advanced .NET topics.
> [mailto:[EMAIL PROTECTED] Behalf Of gregory young
> Sent: Wednesday, September 27, 2006 5:25 PM
> To: [email protected]
> Subject: Re: [ADVANCED-DOTNET] Triggering events at precise moments of

> the day
>
>
> Well depending what you are doing I would prbably just use windows 
> scheduler.
>
> On 9/27/06, Eddie Lascu <[EMAIL PROTECTED]> wrote:
> > Hello experts,
> >
> > I need to call a method in my console app/win service at precise 
> > moments
> of
> > the day. When I say precise I mean +/- a few seconds. The number of 
> > events triggered and the time of the day when they should be 
> > triggered
>
> > is
> variable.
> > If only one method call must be performed, then it should always be 
> > approximately at the same time of the day, say midnight. If two 
> > events
>
> > are to be fired, they should be say 12 hours apart, noon and 
> > midnight,
>
> > and so on. The configuration part I can handle. I need some ideas on

> > how to
> trigger
> > the events.
> > I thought about having a dedicated thread where I would have lots of

> > sleep periods in an infinite loop. After each sleep period, I could 
> > compare the current time with the time of the next event that must 
> > be fired. The event would have to be fired in X seconds and I would 
> > enter
>
> > in a new sleep
> period
> > for X/2 seconds. Eventually, the difference between the current time

> > and
> the
> > time of the next event would become smaller that an acceptable 
> > delta, at which moment I would fire the event and would enter in a 
> > new sleep
> period.
> > This way the events would always be fired at approximately the same 
> > times
> of
> > the day, and I wouldn't have to worry about the moment when the 
> > application/win service was started.
> > I am not particularly proud of this solution as it seems kind of 
> > empiric, but I just couldn't think of anything else.
> > Can you gals and guys come up with a more elegant and reliable
> approach?
> >
> > TIA,
> > Eddie
> >
> > ===================================
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>
> --
> If knowledge can create problems, it is not through ignorance that we 
> can solve them.
>
> Isaac Asimov
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