[jboss-jira] [JBoss JIRA] Closed: (JBRULES-1457) please support containment test for map keys

please support containment test for map keys -------------------------------------------- Key: JBRULES-1457 URL: https://issues.jboss.org/browse/JBRULES-1457 Project: Drools Issue Type: Feature Request Security Level: Public(Everyone can see) Components: drools-compiler Affects Versions: 4.0.4 Environment: any Reporter: Godmar Back Assignee: Edson Tirelli Fix For: 5.2.0.CR1 Using MVEL as the language for clauses, there is no way to test whether a map's key contain a value. For instance: rule "number 1" when e : S(map.keySet() contains "x") then System.out.println("rule number 1"); end leads to a syntax error because Drool's parser does not allow function calls ("keySet())" in clauses. On the other hand, MVEL (according to Mike Brocks, please read http://jira.codehaus.org/browse/MVEL-53 ) does not provide an operator to test containment in a map's set (or values). He said he's considering adding a shortcut such as .keys and .values in 2.0 and recommended I open a Drools JIRA issue. Please provide a way to test for membership in a map's key and value set.