Re: Using Script to Drive Software Operation
From: Charles Law (blank_at_nowhere.com)
Date: 08/01/04
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Date: Sun, 1 Aug 2004 23:26:02 +0100
Yes, indeed helpful. Along with the Command pattern suggestion I think this
could be a good way to go.
Charles
[One instinctively knows when a thing is right]
"One Handed Man ( OHM - Terry Burns )" <news.microsoft.com> wrote in message
news:ewKGCo$dEHA.2608@TK2MSFTNGP09.phx.gbl...
> I see; providing the control is only in one direction then using XML is an
> excellent way to do it. Each node could be a scheduled event which could
be
> repeating or single instance with the attributes to the node providing the
> target and the command verb and parameters. You then write a windows
service
> which creates the event objects as windows processes. The service keeps
> check on the status of the XML file and checks to see if the parameters
and
> lifetime of the process has been altered, is in service etc and makes
> appropriate changes.
>
> However, if there are dependencies between control process event, these
need
> to be synchronised somehow.
>
> Just my thoughts, hope they may help in some small way.
>
> --
>
> OHM ( Terry Burns )
> . . . One-Handed-Man . . .
>
> Time flies when you don't know what you're doing
>
> "Charles Law" <blank@nowhere.com> wrote in message
> news:eteZZ9%23dEHA.2608@TK2MSFTNGP09.phx.gbl...
> > Hi Terry
> >
> > It is more the general technique I am after, rather than specifics.
> >
> > I don't think I can easily be less vague, although I can provide further
> > details and answer specific questions if it helps.
> >
> > The requirement, if you like, is to automate control of the external
> > equipment in a runtime configurable way. I already have a set of classes
> > that can be used to control the equipment. Now, I am looking for an
> elegant
> > way to automate that control from [perhaps] a script file, probably
using
> > xml.
> >
> > The sticky part is translating something I de-serialize from the file
into
> a
> > series of 'instructions' that my classes can understand as commands for
> the
> > external equipment, including timing and scheduling.
> >
> > I just occurs to me that perhaps what I am after is a pattern. A
suitable
> > pattern for this scenario might set me on the right road.
> >
> > Charles
> >
> >
> > "One Handed Man ( OHM - Terry Burns )" <news.microsoft.com> wrote in
> message
> > news:eIcmWZ%23dEHA.3212@TK2MSFTNGP10.phx.gbl...
> > > It is too vaugue, you need to have a more defined requirement.
> > >
> > > --
> > >
> > > OHM ( Terry Burns )
> > > . . . One-Handed-Man . . .
> > >
> > > Time flies when you don't know what you're doing
> > >
> > > "Charles Law" <blank@nowhere.com> wrote in message
> > > news:uB8LFv7dEHA.3964@TK2MSFTNGP10.phx.gbl...
> > > > This is a bit of a vague question, but I am just starting on this,
and
> > > > wonder if anyone has ideas of where to start.
> > > >
> > > > I have a program that controls some external equipment. It sends
> > messages
> > > in
> > > > various flavours to cause the equipment to turn signals on and off,
> and
> > > > change voltages and such like.
> > > >
> > > > Attached to this external equipment, is another piece of equipment
> that
> > > > responds to these changes in signals and voltages.
> > > >
> > > > What I need to do is automate the way in which my program turns
these
> > > > signals on and off, and changes voltages in the external equipment.
I
> > also
> > > > need to do it in such a way that it is configurable without changes
to
> > > > source code.
> > > >
> > > > My first thoughts are towards some kind of script that I interpret
and
> > use
> > > > to determine what actions my program must take. The script would
need
> to
> > > be
> > > > flexible enough to allow me to specify what signals are controlled,
in
> > > real
> > > > time, and what voltages are set and over what time period they
should
> > > > change. It would also need to allow me to monitor status from the
> > external
> > > > equipment in a given time frame to determine if actions had been
> > > successful
> > > > or not.
> > > >
> > > > That is as far as I have got. Is this type of application familiar
to
> > > > anyone, and does anyone have any suggestions regarding how to go
about
> > > this?
> > > > Some examples of scripts that make this type of operation possible?
> > > >
> > > > As I say, it is a bit vague at this stage, and this is probably not
> the
> > > very
> > > > best place to be asking, so if anyone knows where I would be better
> > asking
> > > > that would be helpful too. Otherwise, any pointers welcome.
> > > >
> > > > TIA
> > > >
> > > > Charles
> > > >
> > > >
> > >
> > >
> >
> >
>
>
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