@Entity
@Table(name="MY_ENTITY_1")
public class MyEntity {

    @Id
    @GeneratedValue
    @Column(name="P_ID")
    private Integer id;

    @Column(name = "F_CODEBRANCHE")
    private Integer codeBranche;

    // ...
}

@Repository
public interface MyEntityRepository extends JpaRepository<MyEntity, Integer> {
}

@Service
@Transactional
public class MyServiceImpl implements MyService {
    @Autowired
    private MyEntityRepository myEntityRepository;

    @Override
    public Page<MyEntity> getEntities(Pageable pageable) {
        return myEntityRepository.findAll(pageable);
    }
}

@RestController
@RequestMapping("/")
public class MyResource {
    @Autowired
    private MyService myService;

    @GetMapping(path = "/myentity")
    public Page<MyEntity> getEntities(Pageable pageable) {
        return myService.getEntities(pageable);
    }
}