private IEmployeeHistoric getEmployee(ITeacher teacher) throws ExcepcaoPersistencia {
private IEmployee getEmployee(ITeacher teacher) throws ExcepcaoPersistencia {
    private IEmployeeHistoric getEmployee(ITeacher teacher) throws ExcepcaoPersistencia {        IPersistentEmployee employeeDAO = new EmployeeOJB();        IEmployee employee = employeeDAO.readByNumber(teacher.getTeacherNumber());        employee.getHistoricList().clear();        employee.getHistoricList().addAll(employeeDAO.readHistoricByKeyEmployee(employee.getIdInternal()                .intValue()));        employee.fillEmployeeHistoric();        return employee.getEmployeeHistoric();    }