kbuilder.add( ResourceFactory.newReaderResource( source ),
ResourceType.DRF );
Collection<KnowledgePackage> kpkgs = kbuilder.getKnowledgePackages();
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages( kpkgs );
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
setExec( ksession );
TestWorkItemHandler handler = new TestWorkItemHandler();
ksession.getWorkItemManager().registerWorkItemHandler( "Human Task",