Re: [rules-users] Drools Bug: Custom Operator with Maps results in Mvel Error

Edison, Thanks for your prompt reply! I'm trying to incorporate the workaround that you've suggested but I keep getting an error with the use of the from clause. I based this off of the documentation provided on drools.org for drools expert on how to use the from clause. So I declared a custom type called FreqValue, who has an attribute called freqCount that is an in. I store that FreqValue type in my hashMap and set it's value to 2 in my TestDriver. The following is my rule: --- declare FreqValue freqCount: int end rule "Testing out UdayCompare Operator" ruleflow-group "udaytesting" when profile : Profile() FreqValue( freqCount udaycompare[gt] 1 ) from profile.pageFreq["internet"] then System.out.println("Yippie it works!!"); end Note that the profile.pageFreq["internet"] value contains an instance of the FreqValue object. So, the types match. I was hoping that I didn't have to create a separate type, since the hashMap pageFreq just contains Integers. But I can't say Integer( "internal attribute for Integer to store value?" udaycompare[gt] 1)... Anyways, when running this I get the following error about an error in the from clause: Unable to build expression for 'from' : 1 'profile.pageFreq["internet"]' : [Rule name='Testing out UdayCompare Operator'] Any idea what is wrong? It's a pretty ambiguous error message... -- View this message in context: http://drools-java-rules-engine.46999.n3.nabble.com/Drools-Bug-Custom-Ope... Sent from the Drools - User mailing list archive at Nabble.com.