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I have an application where I have a listing screen
I’m doing a GET method on my Spring Boot API
Controller class
@RequestMapping(method = RequestMethod.GET, value = "/distritos", produces = MediaType.APPLICATION_JSON_VALUE)
public ResponseEntity<Collection<Distritos>> buscarTodosDistritos() {
Collection<Distritos> distritosBuscados = distritosService.buscarTodos();
return new ResponseEntity<>(distritosBuscados, HttpStatus.OK);
}
Service class
public Collection<Distritos> buscarTodos(){
return distritosRepository.findAll();
}
Repository class
@Repository
public interface DistritosRepository extends JpaRepository<Distritos, Integer> {
}
class Entity
@Entity
@Table(name = "distritos", schema="glb")
@XmlRootElement
@NamedQueries({
@NamedQuery(name = "Distritos.findAll", query = "SELECT d FROM Distritos d"),
@NamedQuery(name = "Distritos.findByIdDistrito", query = "SELECT d FROM Distritos d WHERE d.idDistrito = :idDistrito"),
@NamedQuery(name = "Distritos.findByNome", query = "SELECT d FROM Distritos d WHERE d.nome = :nome"),
@NamedQuery(name = "Distritos.findByCodigoDne", query = "SELECT d FROM Distritos d WHERE d.codigoDne = :codigoDne"),
@NamedQuery(name = "Distritos.findByFlagAtivo", query = "SELECT d FROM Distritos d WHERE d.flagAtivo = :flagAtivo")})
@JsonIdentityInfo(generator = ObjectIdGenerators.PropertyGenerator.class, property = "idDistrito", scope= Distritos.class)
public class Distritos implements Serializable {
private static final long serialVersionUID = 1L;
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
@Basic(optional = false)
@Column(name = "id_distrito")
private int idDistrito;
@Basic(optional = false)
@NotNull
@Size(min = 1, max = 70)
@Column(name = "nome")
private String nome;
@Size(max = 8)
@Column(name = "codigo_dne")
private String codigoDne;
@Column(name = "flag_ativo")
private Integer flagAtivo;
@JoinColumn(name="idEntidade")
@ManyToOne
private Entidades entidade;
@JoinColumn(name="idMunicipio")
@ManyToOne(optional = false)
private Municipios municipio;
@JoinColumn(name="idUf")
@ManyToOne(optional = false)
private Ufs uf;
public Distritos() {
}
gets and sets....
}
and in my front end JS I have
carregarDados = function() {
token = localStorage.getItem("userToken");
$http({
method : 'GET',
url : 'http://localhost:8080/user/distritos'
}).then(function(response) {
$scope.distritos = response.data;
}, function(response) {
console.log(response.data);
console.log(response.status);
});
};
the problem is that the return of the method GET brings all relations, causing an excessive delay, and its subrelations, and I need only the name of the State, name of the Municipality and name of the Entity.
The strange thing is that the result of the second array listing brings exactly the information I need without the subrelations.
See in the image.
How can I resolve this issue by bringing on the screen only the information I want ?