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Caching makes the most sense when the data comes from a file....
Reduces the number of I/Os your code needs to perform...
I usually store a time-stamp of when the data was retrieved, after a
set period of say 15 seconds, I'll re-retrieve the data.
This allows for single purpose procedures Customer_isValid(),
Customer_GetName()...without an I/O penalty.
Sure, the data could be stale, but no worse than an old school
monolithic program that read the record at the beginning of the
program without a lock and used the data throughout the program.
Charles
On Fri, Jul 1, 2011 at 10:25 AM, James Horn <jdhorn@xxxxxxxxxxxxxx> wrote:
Hi Pete
The caching seems a little scary to me. I assume you don't do it if the
method gets data from a file (or whatever) which could change between the
calls.
Jim
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