[ https://issues.jboss.org/browse/DROOLS-414?page=com.atlassian.jira.plugin... ] Mario Fusco edited comment on DROOLS-414 at 1/23/14 8:56 AM: ------------------------------------------------------------- For what regards queries documentation clearly states that The following is not yet supported: List and Map unification Variables for the fields of facts Expression unification - pred( X, X + 1, X * Y / 7 ) For this reason I changed this ticket from bug to feature request. Moreover I developed a test case reproducing this issue. {code} @Test public void testQueryWithAccessorAsArgument() throws Exception { String str = "import org.drools.compiler.Person\n" + "global java.util.List persons;\n" + "\n" + "query contains(String $s, String $c)\n" + " $s := String( this.contains( $c ) )\n" + "end\n" + "\n" + "rule R when\n" + " $p : Person()\n" + " contains( $p.name, \"a\"; )\n" + "then\n" + " persons.add( $p );\n" + "end\n"; KnowledgeBase kbase = loadKnowledgeBaseFromString(str); StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession(); List<Person> personsWithA = new ArrayList<Person>(); ksession.setGlobal("persons", personsWithA); ksession.insert("Mark"); ksession.insert("Edson"); ksession.insert("Mario"); ksession.insert(new Person("Mark")); ksession.insert(new Person("Edson")); ksession.insert(new Person("Mario")); ksession.fireAllRules(); assertEquals(2, personsWithA.size()); } {code} was (Author: mfusco): For what regards queries documentation clearly states that The following is not yet supported: List and Map unification Variables for the fields of facts Expression unification - pred( X, X + 1, X * Y / 7 ) For this reason I changed this ticket from bug to feature request. Moreover I developed a test case reproducing this issue. {source} @Test public void testQueryWithAccessorAsArgument() throws Exception { String str = "import org.drools.compiler.Person\n" + "global java.util.List persons;\n" + "\n" + "query contains(String $s, String $c)\n" + " $s := String( this.contains( $c ) )\n" + "end\n" + "\n" + "rule R when\n" + " $p : Person()\n" + " contains( $p.name, \"a\"; )\n" + "then\n" + " persons.add( $p );\n" + "end\n"; KnowledgeBase kbase = loadKnowledgeBaseFromString(str); StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession(); List<Person> personsWithA = new ArrayList<Person>(); ksession.setGlobal("persons", personsWithA); ksession.insert("Mark"); ksession.insert("Edson"); ksession.insert("Mario"); ksession.insert(new Person("Mark")); ksession.insert(new Person("Edson")); ksession.insert(new Person("Mario")); ksession.fireAllRules(); assertEquals(2, personsWithA.size()); } {source} -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira