[rules-users] Checking fact "id"

Massi Gmail mmquelo at gmail.com
Fri Jan 4 17:29:47 EST 2008


Hi guys,

Now I am strugglin' with "fact id checking"  or whatever we can call it.... :D

Let's take into account the followong scenario:

I have class A (it's just a name) javabeans to be inserted into the WM.

I define two objects of class A: A1 and A2.

Somewhere I do "insert(A1)" and "insert(A2)" ( let's say I do it in the same package of R1 and R2..see below...) 

Then I define two different rules R1 and R2 that reason over class "A" facts  (let's say R1 and R2 are in the same package) .

The point is....  I want R1 to fire only on A1 and R2 only on A2.

Is that possible in drools? Is there a sort of "fact id" I can reason over?

I do not think globals will be of any help, cause in the guide i have read that globals should never be used within LHS.
We should never reason over globals. 

Let me know.

Massi

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