Experimental Physics and
Industrial Control System

"J. Frederick Bartlett" <[email protected]> · Thu, 08 Apr 2004 14:51:34 -0500

  I had thought that he was asking the more restricted question. I had not
considered the question of a record that was invoked (processes) as a result
of a forward link.

										Fritz

> -----Original Message-----
> From: Marty Kraimer [mailto:[email protected]]
> Sent: Thursday, April 08, 2004 2:28 PM
> To: [email protected]
> Cc: Peregrine M. McGehee; [email protected]
> Subject: Re: Record processing knowledge of dbAccess context
>
>
> I think he is asking a more generic question but maybe I am wrong.
>
> PUTF only determines is a record is being processed becaise a dbPutField
> was directed to the record which has PUTF true.
>
> If the dbPutField causes a set of records to be processed the other
> records will not have PUTF true.
>
> A record can be processed for many reasons:
>
> An input link in another record has PP true.
> Another record has a forward link to the record.
> An ouput link in another record has PP true.
> A dbPutField occurs in this record.
>
> PUTF was invented for reprocessing a record if a dbPutField is directed
> to a record while it is active so that it can be reprocessed when the
> record completes processing.
>
> Marty
>
> J. Frederick Bartlett wrote:
>
> >Marty,
> >
> >  I am somewhat confused by your answer to Peregrine. I had
> thought the PUTF
> >field of a record, which is described in the "Record Reference Manual" as
> >"Did dbPutField cause the current record processing", is exactly what
> >Peregrine is looking for.
> >
> >
> Fritz
> >
> >
> >
> >>-----Original Message-----
> >>From: Marty Kraimer [mailto:[email protected]]
> >>Sent: Thursday, April 08, 2004 1:07 PM
> >>To: Peregrine M. McGehee
> >>Cc: [email protected]
> >>Subject: Re: Record processing knowledge of dbAccess context
> >>
> >>
> >>
> >>
> >>Peregrine M. McGehee wrote:
> >>
> >>
> >>
> >>>Dear all,
> >>>
> >>>Is there any mechanism by which a record can determine the
> >>>reason for it being processed, i.e. can it distinguish between
> >>>a dbGet and dbPut to the same field?
> >>>
> >>>A look into the code suggests the answer is "No", but I'd
> >>>thought I'd ask.
> >>>
> >>>Best regards,
> >>>    Peregrine
> >>>
> >>>
> >>No.
> >>
> >>
> >>
> >>
> >
> >
> >
>
>
>

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System