* create empty knowledge base
*/
private KnowledgeBase getKbase() {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(ResourceFactory.newClassPathResource("getOlder.drl", getClass()), ResourceType.DRL);
return kbuilder.newKnowledgeBase();
}
/**
* insert 2 facts into session, then launch query command with one argument
*/