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Thread: RE: Call a function from a function?
RE: Call a function from a function?
country flaguser name
Austria		 2008-05-19 12:19:29 

  


  

    





Hello
Shahad!



 



Now,
i216;ve a solution for my problem and it looks like a Bug. First, the order
of the functions isn’t important, but I think it’s a very strange
problem with the name of my functions.



 



Here
my concrete values:



 



 
rule



   
when




   
then




     
checkHierachyInstance(...)



 
end



 



 
function void checkHierachyInstance(...)




 
{



   
checkHierachyInstanceRecursive(...);



 
}



 



 
function void checkHierachyInstanceRecursive(...)




 
{



 
}



 



As
far as i have found out, the error occurs ONLY if I append anything to the
functionname “checkHierachyInstanceR21;, in my case the word “Recursive̶1;.
It works if I use a completely different name instead of “checkHierachyInstanceRecursive”;
or exchange a character in “checkHierachyInstanceRecursive”;. For
example i can use “function void myFunc(...)” or “function
void checkHierachyInstancRecursive(...)”.



 



The
only combination of function names i’m not allowed to use is checkHierachyInstance
and checkHierachyInstanceXXXXX




 



I’ve
never seen such a curiosity before.



Best
regards, michael



 



 



 












From:
rules-users-bounceslists.jboss.org
[mailto:rules-users-bounceslists.jboss.org] On
Behalf Of Michael Katai

Sent: Monday, May 19, 2008 6:00 PM

To: 'Rules Users List'

Subject: RE: [rules-users] Call a
function from a function?









 



Thank
you Shahad for your advise, but i doesn̵7;t help. I get still the error.



 



regards,



 
michael




 



 












From:
rules-users-bounceslists.jboss.org
[mailto:rules-users-bounceslists.jboss.org] On
Behalf Of Shahad Ahmed

Sent: Monday, May 19, 2008 3:57 PM

To: Rules Users List

Subject: Re: [rules-users] Call a
function from a function?









 






Hi Michael,










 









I had a similar problem, but found that if I declared func2 before
func1 (i.e. func2 appears above func1 in a drl file) then you can call func2 in
func1. I'm not sure if this is a bug in drools or a limitation of the parser. 









 









Regards









Shahad









On Mon, May 19, 2008 at 1:58 PM, Michael Katai <gmx.at">mk.othersgmx.at>; wrote:



Hello!



Is it possible to call a Function in a Function?



For example:




 rule

 ;  when

   then

     func1(data1, data2);

 end




 function void func1(MyClass1 data1, MyClass2 data2)

&nbsp;{

&nbsp;  func2(data1, data2);

 }



 function void func2(MyClass1 data1, MyClass2 data2)

&nbsp;{

&nbsp;}



When I do so, i get the error message:




func1 : Function Compilation error

func1 (line): The method func2(MyClass1, MyClass2) is undefined for the

type Func1




Any suggestions?

michael



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