public RecordList getUnitRecords() {
   return studentManager_.getStudent(studentId_).getUnitRecords();
 }
 public IRecord getRecordForUnit(String unitCode) {
   return studentManager_.getStudent(studentId_).getRecordForUnit(unitCode);
 }
 public void setLastName(String lastName) {
   studentManager_.getStudent(studentId_).setLastName(lastName);
 }
 public void addRecord(IRecord record) {
   studentManager_.getStudent(studentId_).addRecord(record);
 }
  public void setFirstName(String firstName) {

    studentManager_.getStudent(studentId_).setFirstName(firstName);
  }