import org.mvel2.compiler.ExpressionCompiler;
public class DemoTaskService {
  
    public static void main(String[] args) {
        EntityManagerFactory emf = Persistence.createEntityManagerFactory("org.jbpm.task");
        TaskService taskService = new TaskService(emf, SystemEventListenerFactory.getSystemEventListener());
        TaskServiceSession taskSession = taskService.createSession();
        // Add users
        Map vars = new HashMap();
        Reader reader = new InputStreamReader( DemoTaskService.class.getResourceAsStream( "LoadUsers.mvel" ) );