@Entity
@Table(name = "employees")
public class Employee {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
private String name;
private String designation;
}
@Repository
public interface EmployeeRepository extends CrudRepository<Employee, Long> {
}
@Service
public class EmployeeService {
@Autowired
private EmployeeRepository employeeRepository;
public List<Employee> getAllEmployees() {
return employeeRepository.findAll();
}
public Employee getEmployeeById(Long id) {
Optional<Employee> employee = employeeRepository.findById(id);
if (employee.isPresent()) {
return employee.get();
} else {
throw new EmployeeNotFoundException("Employee not found with id: " + id);
}
}
}
@RestController
@RequestMapping("/api/employees")
public class EmployeeController {
@Autowired
private EmployeeService employeeService;
@GetMapping
public List<Employee> getAllEmployees() {
return employeeService.getAllEmployees();
}
@GetMapping("/{id}")
public Employee getEmployeeById(@PathVariable Long id) {
return employeeService.getEmployeeById(id);
}
}
