]
Mario Fusco reassigned DROOLS-173:
----------------------------------
Assignee: Mario Fusco (was: Mark Proctor)
Collect and accumulate conditions not working together
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Key: DROOLS-173
URL:
https://issues.jboss.org/browse/DROOLS-173
Project: Drools
Issue Type: Bug
Security Level: Public(Everyone can see)
Affects Versions: 6.0.0.Beta3
Reporter: Alvaro Pantoja
Assignee: Mario Fusco
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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