[jboss-jira] [JBoss JIRA] (DROOLS-5645) Cannot use functions within collects
Ciprian Chiru created DROOLS-5645:
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Summary: Cannot use functions within collects
Key: DROOLS-5645
URL: https://issues.redhat.com/browse/DROOLS-5645
Project: Drools
Issue Type: Bug
Components: executable model
Affects Versions: 7.43.1.Final
Reporter: Ciprian Chiru
Assignee: Luca Molteni
Give the following example rule:
{code:java}
import java.util.*;
global java.util.Set controlSet;
global org.example.drools.service.DummyService dummyService;
function String defaultIfBlank(String input, String default){
return "";
}
rule "will execute per each Measurement having ID color"
no-loop
when
Measurement( id == "color", $colorVal : val )
List(size() > 0) from accumulate(String($s: this) from dummyService.dummy($colorVal),
collectList(defaultIfBlank($s, "test")))
then
controlSet.add($colorVal);
end{code}
It fails with:
{code:java}
[ERROR] Message [id=1, kieBase=defaultKieBase, level=ERROR, path=rules/dummy-rule.drl,
line=-1, column=0
[ERROR] text=Root node of expression should be a declaration]{code}
Can be reproduced with _7.44.0-SNAPSHOT_ .
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