2009/11/3 Shah, Malay <Malay.Shah@morganstanley.com>

Hi All,

 

I am trying to compile a drool rule using MVEL dialect and getting the following weird error.

 

Unable to determine the used declarations.

unbalanced braces (near code: << ... core1_entityOID); ...>>) (position: 33) : [Rule name=Legacy ETSDB Rule, agendaGroup=MAIN, salience=0, no-loop=false]

org.mvel.ParseException

: unbalanced braces (near code: << ... core1_entityOID); ...>>) (position: 33)Unable to build expression for 'consequence'

 

The code I am trying to compile is:

 

package S_124
import com.ms.ieddata.dataQuality.violation.Violation;
import com.ms.ieddata.etsdb.model.EtsExecution_core;
import com.ms.ieddata.etsdb.model.EtsExecutionOrder_core;
global java.util.HashSet violations;
global java.util.HashSet violationKeys;

dialect "mvel"

rule "Legacy ETSDB Rule"

when
EtsExecution_core1:EtsExecution_core(crossInd == "1" , lastCapacity != "3" , lastDestinationID not in ("EUREX","IDEM","MEFF","LIFFE"))
EtsExecutionOrder_core1:EtsExecutionOrder_core(entityOID == EtsExecution_core1.parentOID , exDestination in ("I","L") , swapComponentType != "swaps" , orderCapacity not in ("D","R","X","L","E","T","C","O","P","S"),EtsExecutionOrder_core1_entityOID:entityOID,EtsExecutionOrder_core1_application:application,EtsExecutionOrder_core1_entityVID:entityVID)

then

String key="S-124_EtsExecution_core" + "_entityVID_" + "EtsExecutionOrder_core1_entityVID" + "_application_" + "EtsExecutionOrder_core1_application" + "_entityOID_" +

"EtsExecutionOrder_core1_entityOID";

vPresent = violationKeys.contains(key);

if (!vPresent)
{
     violation = new Violation();
     violation.putRuleActionAttribute("ruleId","S-124");
     violation.putRuleActionAttribute("ruleName","Legacy ETSDB Rule");
     violation.putRuleActionAttribute("legacyRuleType","1");
     violation.putRuleActionAttribute("entityName","EtsExecution_core");
     violation.putRuleActionAttribute("fieldName","Field");
     violation.putRuleActionAttribute("entityVID",EtsExecutionOrder_core1_entityVID);
     violation.putRuleActionAttribute("application",EtsExecutionOrder_core1_application);
     violation.putRuleActionAttribute("entityOID",EtsExecutionOrder_core1_entityOID);
}

 

end

 

The code works fine when I use java dialect. Also, if I remove the if statement from consequence, the code get compiled in mvel and java dialects. Am I missing something obvious here? I am using drools 4.0.1.

 

Thanks

 

Malay Shah
Morgan Stanley | IDEAS Practice Areas
750 Seventh Avenue, 6th Floor | New York, NY  10019
Phone: +1 212 762-4495
Malay.Shah@morganstanley.com

 

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