[jboss-jira] [JBoss JIRA] Created: (JBRULES-505) Using a GLOBAL value in predicates in more than one rule - rule fails to evaluate correctly.
Using a GLOBAL value in predicates in more than one rule - rule fails to evaluate
correctly.
--------------------------------------------------------------------------------------------
Key: JBRULES-505
URL: http://jira.jboss.com/jira/browse/JBRULES-505
Project: JBoss Rules
Issue Type: Bug
Security Level: Public (Everyone can see)
Components: All
Affects Versions: 3.0.4
Environment: Windows XP, JBoss 4.0.3SP1, JRules3.0.4,
PackageBuilderConfiguration.JANINO
Reporter: Matt Green
Assigned To: Mark Proctor
SAMPLE CODE:
===============================================
package net.rockshore.rmf.rules
#list any import classes here.
import net.rockshore.rmf.entities.SubscriptionLocal;
import net.rockshore.rmf.entities.EventLocal;
import java.lang.String;
#declare any global variables here
global java.util.Collection resultsCollection;
global java.lang.String eventType;
rule "KeepSubscriptionsToEventType"
when
subscription : SubscriptionLocal (eventTypeDiscriminator == (eventType))
then
resultsCollection.add(subscription);
System.out.println("Keeping Subscription:" + subscription + " is of
type:" + eventType);
end
rule "DiscardSubscriptionsToWrongEventType"
when
wrongSubscription : SubscriptionLocal (eventTypeDiscriminator != (eventType))
then
System.out.println("Discarding Subscription:" + wrongSubscription + " NOT
of type:" + eventType);
retract (wrongSubscription);
end
===============================================
TEST DATA SET:
-------------------------
SubscriptionLocal objects asserted
key
eventTypeDiscriminator
---------------------------------------------------------------------------------------------------------
5c4o12-mexdpy-esmukytr-1-esmx439o-58
net.rockshore.rmf.entities.events.business.TravelAlertEvent
5c4o12-mexdpy-esmukytr-1-esmx438t-57
net.rockshore.rmf.entities.events.business.FlightDelayEvent
5c4o12-mexdpy-esmukytr-1-esmx438t-56
net.rockshore.rmf.entities.events.business.FlightDelayEvent
eventType = "net.rockshore.rmf.entities.events.business.FlightDelayEvent"
PROBLEM DESCRIPTION:
-------------------------------------
When firing the above rules with data shown above, the result shows that
"DiscardSubscriptionsToWrongEventType" rule was fired for Subscriptions with
keys ending 57 and 56. This is the wrong way round as that rule should have fired only
with Subscription 58.
Further, rule "KeepSubscriptionsToEventType" did not fire.
FURTHER ANALYSIS:
-------------------------------
If one rule OR the other is deleted then the remaining rule fires correctly.
If both rules have the predicate replaced with a String literal
"net.rockshore.rmf.entities.events.business.FlightDelayEvent" then both rules
fire correctly.
The problem still occurs when eventType predicate is replaced with eventType.toString()
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