I am building my app's rules from decision tables using Drools 4.0.7.
At one point, I expect a particular rule to fire but it never does. The rule
originally was constrained to the presence of a POJO to store the results of
the rule's evaluation that is as yet not evaluated and a POJO that containing
the data to be evaluated. While trying to diagnose why it never fires, I have
reduced the constraints to the presence of the POJO results container. It still
doesn't fire.
Excerpts from the initialization and evaluation decision tables (compiled to
DRL):
# Construct DecisionPoint container to hold results of evaluation
#From row number: 53
rule "Init Plus 5V PS Overtemp"
salience 65484
no-loop true
ruleflow-group "Initialize Testpoint Groups"
when
then
subtestName = "Fault Sum";
ruleName = "Plus 5V PS Overtemp";
serviceProvider.create("DecisionPoint",ruleName);
dsl.addDebugString("row called " + "IN_52");
end
# Record that +5V PS Overtemp condition exists in DecisionPoint object
#From row number: 26
rule "Plus 5V PS Overtemp Set"
salience 65510
no-loop true
ruleflow-group "PS Overtemp"
when
outputDecision: DecisionPoint(name == "Plus 5V PS Overtemp")
then
subtestName = "Fault Sum";
ruleName = "Plus 5V PS Overtemp";
ID = "PASSED";
modifyRetract(outputDecision);
outputDecision.setEvaluation(ruleName, ID);
modifyInsert(outputDecision);
dsl.addDebugString("row called " + "DE_26");
end
Enabling listeners for working memory updates and ruleflow transitions, I see
that the container is built and added to memory but is not found when the PS
Overtemp ruleflow group is activated.
Sep 28, 2009 1:52:49 PM
com.lmco.orts.equipmentFDFI.controller.rules.engine.RulesHelper
contineStatefulRunWithMoreInputs
INFO: in continue stateful run (obj). class
com.lmco.orts.equipmentFDFI.controller.rules.data.DecisionPoint Plus 5V PS
Overtemp EV_NOT_EVAL
Sep 28, 2009 1:52:49 PM
com.lmco.orts.equipmentFDFI.controller.rules.data.DecisionPoint getPassed
INFO: [Plus 5V PS Overtemp] passed == false
Sep 28, 2009 1:52:49 PM
com.lmco.orts.equipmentFDFI.controller.rules.engine.RulesHelper$2 objectInserted
INFO: ~~~~~~~~~~~~~workingmemory Inserted: DecisionPoint: [Plus 5V PS
Overtemp] EV_NOT_EVAL
row called IN_52
...
Sep 28, 2009 1:52:57 PM
com.lmco.orts.equipmentFDFI.controller.rules.engine.RulesHelper$1
ruleFlowGroupActivated
INFO: RFG Activated: PS Overtemp
Sep 28, 2009 1:52:57 PM
com.lmco.orts.equipmentFDFI.controller.rules.engine.RulesHelper$1
ruleFlowGroupDeactivated
INFO: RFG Deactivated: OT Fault Sum
Sep 28, 2009 1:52:57 PM
com.lmco.orts.equipmentFDFI.controller.rules.engine.RulesHelper$1
ruleFlowGroupActivated
INFO: RFG Activated: Report Fault Sum Faults
Sep 28, 2009 1:52:57 PM
com.lmco.orts.equipmentFDFI.controller.rules.engine.RulesHelper$1
ruleFlowGroupDeactivated
INFO: RFG Deactivated: PS Overtemp
It is probably something obvious, but I am so close to it that I can't see the
forest for the trees.
J. Matthew Wicks
(856) 359-1115
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