private List loadFenixExecutionCourses() {
private List loadFenixExecutionCourses(PersistenceBroker broker) {
	private List loadFenixExecutionCourses() {		List fenixExecutionCourses = null;		PersistenceBroker broker = null;		Query query = new QueryByCriteria(DisciplinaExecucao.class, null);		try {			broker = PersistenceBrokerFactory.defaultPersistenceBroker();			// ask the broker to retrieve the Extent collection			fenixExecutionCourses = (List) broker.getCollectionByQuery(query);			broker.close();		} catch (Throwable t) {			t.printStackTrace();		}		return fenixExecutionCourses;	}