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[aspectj-users] Re: aspectj-users digest, Vol 1 #22 - 4 msgs
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Excellent example. In fact, applying a "loyatly discount" was a busniess
requirement I implemented for a client recently and I can see how this would
have helped. Unfortunately the application was written in such a way that
it would require a big overhaul of code to apply this type of aspect
(promotions were handled my adding expiration dates to offers). In any
case, it should make a good starting point for a discussion with my
colleagues.
-jr
One possible business "aspect".
I have a Point Of Sale software which allows for many ways of making sales.
If I wish to introduce
a discount or a discount scheme, I could define an aspect which captures
all sales-making calls
and applies this discount scheme. I could vary the discount, or the
discount scheme itself, based
on the customer (loyalty programs), total sales, marked items in the sale
etc.
Modeling discount schemes as an aspect allows me to vary the scheme at
runtime, transparently and
uniformly apply it across all sales, and make it effective even on
yet-to-be-defined sales.
-Balaji
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