You are binding the result of the 'or' to EtsExecutionOrderXref_core00 as the second part is a 'not' which returns nothing, how would it be bound to?

Shah, Malay wrote:
Hi All,
 
I have the following drool rule that has "or not" under Entity Block. Basically, the rule tries to check if there either exists an entity object EtsExecutionOrderXref_core00 with the given conditions, or the entity does not exist at all with some other conditions. 
 
dialect "mvel"
rule "Legacy ETSDB Rule"
when
EtsExecutionOrderHist_core0:EtsExecutionOrderHist_core(customerOrFirm != "0")
EtsExecutionOrderXref_core00:
(
 EtsExecutionOrderXref_core
 (
  entityOID == EtsExecutionOrderHist_core0.entityOID , entityRID == EtsExecutionOrderHist_core0.entityRID , entityVID == EtsExecutionOrderHist_core0.entityVID , referenceID != "2" && referenceIDType == "orderSubCapacity"
 )
 or not(EtsExecutionOrderXref_core
 (
  entityOID == EtsExecutionOrderHist_core0.entityOID , entityRID == EtsExecutionOrderHist_core0.entityRID , entityVID == EtsExecutionOrderHist_core0.entityVID , referenceIDType == "orderSubCapacity"
 ))
)
then
end
 
But, while compiling the rule, I am getting the following errors:
 
org.drools.compiler.DroolsParserException: [ERR 101] Line 22:16 no viable alternative at input 'entityOID' in rule "Legacy ETSDB Rule" in pattern not,

org.drools.compiler.DroolsParserException: [ERR 102] Line 22:68 mismatched input ',' expecting '(' in rule "Legacy ETSDB Rule" in pattern EtsExecutionOrderHist_core0.entityOID,

org.drools.compiler.DroolsParserException: [ERR 102] Line 22:122 mismatched input ',' expecting '(' in rule "Legacy ETSDB Rule" in pattern EtsExecutionOrderHist_core0.entityOID in pattern EtsExecutionOrderHist_core0.entityRID,

org.drools.compiler.DroolsParserException: [ERR 102] Line 22:176 mismatched input ',' expecting '(' in rule "Legacy ETSDB Rule" in pattern EtsExecutionOrderHist_core0.entityOID in pattern EtsExecutionOrderHist_core0.entityRID in pattern EtsExecutionOrderHist_core0.entityVID]

I think the rule is correct, but am not able to figure out these compilation errors. Could anybody please comment on why this would happen?
 
Thanks
 
Malay Shah

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