> So, in continuation of the main subject of the email. Unfortunately, I
> cannot use activation group because that will only allow me to execute one
> rule out of many children. I want all eligible children to execute, without
> the parent. And, if none of the children execute, then execute the parent
> (obviously providing that all conditions are true). Sort of like how
> overriding works in OOP. Unless the child has an overriding method, the one
> from the super class will execute. Otherwise, the one from the child will
> execute. I said sort of like OOP, because here I want when ANY child
> execute, the parent is not eligible to evaluate anymore, and if NONE of the
> children rules execute (evaluate to false) then evaluate the parent rule.
>
> So, here is what I am exploring but I don't know how to do in Drools, and
> whether there is a support for it:
>
> I was hoping that I can use salience to make all child rules evaluation
> first. If a child rule executes, I want to listen to that event, and query
> this rule to see whether it has a parent rule or not. If it does, then
> deactivate that parent rule right in the event handler. I couldn't see
> anything in the API on finding the parent of a given rule. Would this be a
> meta data item or something? Is there a clever way to find out what the
> parent rule is without introducing a custom method to have the child rule
> registers itself?
>
> My second question is, I am feeding only one fact to the entire rule engine
> instance. I am using the following syntax to define the input object:
>
> mpr : MPRFacade()
>
> I am declaring that in all my rules. Now, that I am using the "extends"
> syntax, I cannot declare the same variable in both parent and child rules.
> How can I use the mpr declared in the parent right from within the child
> rule? I tried this, super, etc. with no success. If it is inaccessible, then
> why the heck it is telling me it is a duplicate when I try to declare it? :)
>
> Thanks guys and gals!
>
> 2010/3/8 Edson Tirelli <
ed.tirelli@gmail.com>
>>
>> Thanks for letting us know. Good luck!
>>
>> Edson
>>
>> 2010/3/8 Moe Alkhafaji <
moe.alkhafaji@medcpu.com>
>>>
>>> I just want to report that using Eclipse 3.5.2, inheritance worked
>>> beautifully! Thanks. Now, I am going to get to the actual problem at hand
>>> and try to find a solution. Thanks Edson for all your help in this.
>>>
>>> 2010/3/8 Edson Tirelli <
ed.tirelli@gmail.com>
>>>>
>>>> Yes, probably so. Eclipse 3.4 and 3.5 should be fine.
>>>>
>>
>>
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>
>
>
> --
> Moe Alkhafaji
> Chief Technology Officer, MedCPU
> Phone: (630) 290-1113
> Email:
cto@medcpu.com
>
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