for (ExecutionPeriod executionPeriod : executionYear.getExecutionPeriods()) { results.addAll(getActiveEnrollments(executionPeriod));
if (filters) { results.add(enrollment); }
    public List<Enrolment> getActiveEnrollments(ExecutionYear executionYear) {	List<Enrolment> results = new ArrayList<Enrolment>();	for (ExecutionPeriod executionPeriod : executionYear.getExecutionPeriods()) {	    results.addAll(getActiveEnrollments(executionPeriod));	}	return results;    }