Hello, forget date-expires. Just make your WHEN condition to match
date you specify somewhere in your object as date for which to
calculate. Then you will have two rules and each will match different
date.
Pavel
2010/8/2 Minal Sarmokadam <Minal.Sarmokadam(a)lntinfotech.com>:
Hi,
I am evaluating Drool Gunvor for to implement Rules for some finance related
functionality.
I need help from users to implement following scenario is Drools-Guvnor
I have created simple Rule to Calculate House Rent Allowance i.e. HRA as
HRA = 0.12 * Basic salary .(Basic will come as Input Parameter).
This rule is valid from e.g. 01-Jan-2005 to 31-July-2010 as HRA rule is
changed from 1st Aug 2010
I will have to create new Rule for HRA Rule with new formula as
HRA = 0.15 * Basic salary .(Basic will come as Input Parameter).
This rule is valid from 01-Aug-2010 to 01-Aug-2999
From 1st Aug HRA should be calculated using New Rule. But at the same time
if any Arrears to be calculated(back dated calculation) depending on the
date old HRA rule should be applicable.I would need this to calculate
Arrears i.e. doing backdated calculations
Can I achieve this in Gunor Drool. I could achieve first half by specifying
date-expires . But I am not able to achieve second half i.e. referring old
rule depending on the date. I would appreciate help to solve this problem .
Thanks in advance.
Regards
Minal S
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