Strange MVEL error
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Malay Shah
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Some javascript/style in this post has been disabled (why?)
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
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Edson Tirelli-4
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Drools explicitly disables control statements in MVEL consequences, at it is usually not a good sign. I.e., you should probably encapsulate that check you are doing in a LHS condition (even if you have to wrap it up in an eval()), so that the rule will not be activated and fired when it shouldn't. Edson 2009/11/3 Shah, Malay <[hidden email]>
-- Edson Tirelli JBoss Drools Core Development JBoss by Red Hat @ www.jboss.com _______________________________________________ rules-users mailing list [hidden email] https://lists.jboss.org/mailman/listinfo/rules-users |
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