[rules-users] Guvnor rule with a not and an ==

[Dean Whisnant]

Hi,

I have a rule where I want to check if an object doesn't exist or it exists and 
a field in it is null or a field in it is D.

Here's .drl code that works

rule "test does not exist is null or is D"
        when
                (not CLM_DET_LOAD_PendCode() ||
                         CLM_DET_LOAD_PendCode(pendCode_29== (null)) || 
                        CLM_DET_LOAD_PendCode(pendCode_29== "D")
                )
        then
                System.out.println("CLM_DET_LOAD_PENDCOE does not exist, is 
null, or is D");
End

Normally in Guvnor to do an Or, I choose "Any of the following are true..." 
from the 'Add a condition to the rule...' dialogue.  But when I choose this and 
then try to do the "not" logic, there is no choice for 'not'.  I can get the 
other two conditions in just fine.  Short of putting freeform DRL language in 
there, do you have any suggestions?  Am I missing an option in guvnor?

Thanks

Dean

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