if (readAttendByExecutionCourse(executionCourse) == null) { final Attends attends = new Attends(this, executionCourse); findAndSetEnrollmentForAttend(getActiveStudentCurricularPlan(), executionCourse, attends); }
if (readAttendByExecutionCourse(executionCourse) == null) { final Attends attends = new Attends(this, executionCourse); findAndSetEnrollmentForAttend(getActiveStudentCurricularPlan(), executionCourse, attends);
	public void addAttendsTo(final ExecutionCourse executionCourse) {		checkIfReachedAttendsLimit();		if (readAttendByExecutionCourse(executionCourse) == null) {			final Attends attends = new Attends(this, executionCourse);			findAndSetEnrollmentForAttend(getActiveStudentCurricularPlan(), executionCourse, attends);		}	}