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.

On Mon, May 19, 2008 at 1:58 PM, Michael Katai <mk.others@gmx.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)
{
func2(data1, data2);
}

function void func2(MyClass1 data1, MyClass2 data2)
{
}

When I do so, i get the error message:

func1 : Function Compilation error
func1 (line:x): The method func2(MyClass1, MyClass2) is undefined for the
type Func1

Any suggestions?
michael

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