10:49 a.m.
[
https://issues.jboss.org/browse/DROOLS-173?page=com.atlassian.jira.plugin...
]
Massinissa BOUZIAD edited comment on DROOLS-173 at 12/22/15 11:48 AM:
----------------------------------------------------------------------
Hi guys,
Anyone can help is welcome.
I try to use the collect funtion within a rules like that :
$combinedParts : List(size >= 2) // >= not work
from collect(CombinedPart(
/* here my eligibility checks */
)
)
The operator ">=" seems to not work whereas "==" work and
">" work also.
I got this stack trace wich make me confused :
java.lang.NoSuchMethodError:
org.mvel2.compiler.BlankLiteral.<init>(Ljava/lang/String;)V
at ConditionEvaluatore065b53056eb4e34a7d0e895676d67a1.evaluate(Unknown Source)
at org.drools.core.rule.constraint.MvelConstraint.evaluate(MvelConstraint.java:248)
at org.drools.core.rule.constraint.MvelConstraint.isAllowed(MvelConstraint.java:204)
at org.drools.core.reteoo.AlphaNode.assertObject(AlphaNode.java:141)
at
org.drools.core.reteoo.CompositeObjectSinkAdapter.doPropagateAssertObject(CompositeObjectSinkAdapter.java:494)
at
org.drools.core.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:384)
at org.drools.core.reteoo.ObjectTypeNode.propagateAssert(ObjectTypeNode.java:298)
at org.drools.core.phreak.PropagationEntry$Insert.execute(PropagationEntry.java:93)
at
org.drools.core.phreak.SynchronizedPropagationList.flush(SynchronizedPropagationList.java:96)
at
org.drools.core.phreak.SynchronizedPropagationList.flush(SynchronizedPropagationList.java:69)
at
org.drools.core.impl.StatefulKnowledgeSessionImpl.flushPropagations(StatefulKnowledgeSessionImpl.java:1993)
at org.drools.core.phreak.RuleExecutor.fire(RuleExecutor.java:128)
at org.drools.core.phreak.RuleExecutor.evaluateNetworkAndFire(RuleExecutor.java:74)
at org.drools.core.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:978)
at org.drools.core.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1292)
at
org.drools.core.impl.StatefulKnowledgeSessionImpl.internalFireAllRules(StatefulKnowledgeSessionImpl.java:1294)
at
org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1281)
at
org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1260)
Thank you
was (Author: massinissa):
Hi guys,
Anyone can help is welcome.
I try to use the collect funtion within a rules like that :
$combinedParts : List(size >= 2) // >= not work
from collect(CombinedPart(
/* here my eligibility checks */
)
)
The operator ">=" seems to not work whereas "==" work and
">" work also.
I got this stack trace wich make me confused :
java.lang.NoSuchMethodError:
org.mvel2.compiler.BlankLiteral.<init>(Ljava/lang/String;)V
at ConditionEvaluatore065b53056eb4e34a7d0e895676d67a1.evaluate(Unknown Source)
at org.drools.core.rule.constraint.MvelConstraint.evaluate(MvelConstraint.java:248)
at org.drools.core.rule.constraint.MvelConstraint.isAllowed(MvelConstraint.java:204)
at org.drools.core.reteoo.AlphaNode.assertObject(AlphaNode.java:141)
at
org.drools.core.reteoo.CompositeObjectSinkAdapter.doPropagateAssertObject(CompositeObjectSinkAdapter.java:494)
at
org.drools.core.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:384)
at org.drools.core.reteoo.ObjectTypeNode.propagateAssert(ObjectTypeNode.java:298)
at org.drools.core.phreak.PropagationEntry$Insert.execute(PropagationEntry.java:93)
at
org.drools.core.phreak.SynchronizedPropagationList.flush(SynchronizedPropagationList.java:96)
at
org.drools.core.phreak.SynchronizedPropagationList.flush(SynchronizedPropagationList.java:69)
at
org.drools.core.impl.StatefulKnowledgeSessionImpl.flushPropagations(StatefulKnowledgeSessionImpl.java:1993)
at org.drools.core.phreak.RuleExecutor.fire(RuleExecutor.java:128)
at org.drools.core.phreak.RuleExecutor.evaluateNetworkAndFire(RuleExecutor.java:74)
at org.drools.core.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:978)
at org.drools.core.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1292)
at
org.drools.core.impl.StatefulKnowledgeSessionImpl.internalFireAllRules(StatefulKnowledgeSessionImpl.java:1294)
at
org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1281)
at
org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1260)
Collect and accumulate conditions not working together
------------------------------------------------------
Key: DROOLS-173
URL: https://issues.jboss.org/browse/DROOLS-173
Project: Drools
Issue Type: Bug
Affects Versions: 6.0.0.Beta3
Reporter: Alvaro Pantoja
Assignee: Mario Fusco
Fix For: 6.0.0.Final
Attachments: rule-test.log
Running this example:
{code}
import java.util.ArrayList
declare Item
code: int
price: int
present: boolean
end
rule "Init"
when
then
insert(new Item(1,40,false));
insert(new Item(2,40,false));
insert(new Item(3,40,false));
insert(new Item(4,40,false));
end
rule "CollectAndAccumulateRule"
when
//At least two items that aren't presents
objList: ArrayList(size>=2) from collect( Item(present==false))
//Total price bigger than 100
price: Number(intValue>=100) from accumulate( Item($w:price, present==false),
sum($w))
then
System.out.println("Sum: "+price);
System.out.println("Items size: "+objList.size());
//Look for the minor price item
Item min = null;
for(Object obj: objList){
if (min!=null){
min = (min.getPrice()>((Item)obj).getPrice())?(Item)obj:min;
}
else {
min = (Item)obj;
}
}
//And make it a present
if (min!=null){
modify(min){setPresent(true)};
}
end
{code}
Leads to an extra activacion and execution of rule "CollectAndAccumulateRule".
It doesn't matter wich order conditions are, as long as there are both
"accumulate" and a "collect".
Expected output would be:
{quote}
Sum: 160.0
Items size: 4
Sum: 120.0
Items size: 3
{quote}
But is:
{quote}
Sum: 160.0
Items size: 4
Sum: 120.0
Items size: 4
Sum: 120.0
Items size: 3
{quote}
Find attached agenda and working memory log snapshot
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