public void update(){
        if(alunoTurma != null){
            Turma t = this.alunoTurma.getTurma();
            if(t != null){
                this.lblNumTurma.setText(Integer.toString(t.getNumeroTurma()));
                this.lblPeriodo.setText(t.getPeriodoLetivo());
                this.lblDisciplina.setText(
                        (t.getDisciplina() != null ? t.getDisciplina().getNome() : "") );
                
            }
            this.lblSituacaoTurma.setText(alunoTurma.getSituacao());
        }
    }