Since you've done something similar please tell me if this approach is ok: Funny enough the decision is either a yes/no (its to check if a customer qualifies for some products) I am committing to db (no option of configs. Long story) I am thinking of implemented it thus: Cond_Field: Customer_field (From customer database) Cond_operand: eq/ne/etc Cond_Val: So that a user can define conditions: cond_1 Cond_Field: Region Cond_operand: eq Cond_Val: Nairobi cond_2: Cond_Field: Age Cond_operand: <= Cond_Val: 30 cond_3: Cond_Field: Age Cond_operand: > Cond_Val: 30 cond_4: Cond_Field: Salary Cond_operand: <= Cond_Val: 10000 etc and then finally, set the decision that will be made out of these conditions set above. The system must be able to accept multiple conditions (combinations of which determine if the decision is Y/N) Decision: y Conditions: cond_1 and cond_4 Decision y (Another set of conditions for Y) cond_3 Decison n cond_1 and cond_2 I am yet to write a single line of code. Just trying to visualise the implementation On Tue, Jul 17, 2012 at 11:10 AM, Peter Karunyu <pkarunyu@gmail.com> wrote:
My rule of thumb is:
1. If parameter is to be changed by techie people, put it in a config file 2. If parameter is to be changed by lay people, put it in a database table (usually a key-value store) and create a nice GUI for them to use to change the parameters
Has worked pretty well so far.
However, that takes care of where to store the contents of the variables of the condition, you still need to figure out how to actually implement the condition.
On Tue, Jul 17, 2012 at 1:00 PM, Bwana Lawi <mail2lawi@gmail.com> wrote:
Am in trouble. The problem is how to parameterise the conditions. Apparently the client wants them to be maintainable (added/removed at will).
On Tue, Jul 17, 2012 at 10:31 AM, Peter Karunyu <pkarunyu@gmail.com>wrote:
At face value, I would guess there are (2 x 3 x 2 x 2 x 3 x 2) possible scenarios, 144 in total :-)
On Tue, Jul 17, 2012 at 12:19 PM, Bwana Lawi <mail2lawi@gmail.com>wrote:
Couldnt come up with a good subject.
I have to make a decision (well, my program has to) based on 6 variables.
Var 1 has 2 options (boolean) Var 2 has 3 Var 3 has 2 (Boolean) Var 4 has 2 Var 5 has 3 Var 6 has 2
How many possible scenarios am I looking at?
There are some interdependencies, of course, but for now ignore them.
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