public String getRole() {
        String libelle="";
        
        switch(this.type){
            case 1:
                libelle = "administratif";
                break;
            case 2:
                libelle = "etudiant";
                break;
            case 3:
                libelle = "prof";
                break;
            case 4:
                libelle = "intervenant";
                break;
            case 5:
                libelle = "technicien";
                break;
                
            
        }
        return libelle;
    }