if (executionCourse.getExecutionPeriod().getState().equals(PeriodState.CURRENT)) { result.addAll(getSchoolClassesToEnrolBy(executionCourse)); } } return result;
if (executionCourse.getExecutionPeriod().getState().equals(PeriodState.CURRENT)) { result.addAll(getSchoolClassesToEnrolBy(executionCourse)); }
	public Set<SchoolClass> getSchoolClassesToEnrol() {		final Set<SchoolClass> result = new HashSet<SchoolClass>();		for (final Attends attends : getAssociatedAttendsSet()) {			final ExecutionCourse executionCourse = attends.getDisciplinaExecucao();			if (executionCourse.getExecutionPeriod().getState().equals(PeriodState.CURRENT)) {				result.addAll(getSchoolClassesToEnrolBy(executionCourse));			}		}		return result;	}