Hi guys,

 

I want to work out a one to many relationship in my rules

 

I have 2 classes:

A{

ArrayList<B>blist;

status

}

B{

Status}

If A points to {B1,B2,B3}

If B1 exists in A then B1 status = on and A status is on

And B2, B3 status is updated to on as it is also associated with A

 

I am unable to depict this in my rules.

How can I traverse through lists in my rules.

 

I tried this::

when

    $a : A()

    $b : bList from $A.ipList

    exists (B( status == "on") from $b)

then

    modify ($a) {setStatus("on")};

end

 

But above doesn’t work. I guess its because $b is just a variable and I am passing a list.

But not knowing how to do it.

 

Please help!!! Or is there any other way to go about it???

 

Thank you.

 

M




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