in 4.0 MR2 you have access to the "this" object, which makes thins a bit more declarative:

when

$obj1:object();

$obj2:object( this != $obj1 )

then

Also don't use ; after each pattern, Im surprised that even works.

Mark

Chris Woodrow wrote:

Hi,
You can use eval();

when

    $obj1:object();

    $obj2:object();
    eval ($obj1!=$obj2);

then
    System.out.println("Fired");

Hope this helps
Chris

2007/5/18, Sikkandar Nawabjan <Sikkandar.Nawabjan@ustri.com >:

Hi,

we are using drools version 3.0.6. I want to check the object references of t inserted objects in working memory.

How to check the condition in LHS?

right now am doing the following way

when

    $obj1:object()

    $obj2:object()

then

   if($obj1!=$obj2)

         System.out.println("Fired");

how to move the if(if($obj1!=$obj2)) statement to LHS? am not able to use this operator in version 3.0.6

Thanks and Regs.

Basha

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