My super-class is annotated with #Inheritance(strategy = InheritanceType.SINGLE_TABLE) and my sub-class is inheriting from it, that means when i try to get data in Postman it retrieve also the superclass fields which I don't that to happen, any help please
#Table(name = "SUPER_CLASS-TABLE")
#Entity
#Getter
#Setter
#AllArgsConstructor
#NoArgsConstructor(force = true)
#Inheritance(strategy = InheritanceType.SINGLE_TABLE)
public class SUPERCLASSTABLE implements Serializable{
#Id
#GeneratedValue(strategy = GenerationType.AUTO)
#Column(nullable = false, updatable = false)
private Long tblId;
#CreatedDate
#CreationTimestamp
private Date publishingDate;
private String name;
}
#Getter
#Setter
#Entity
#AllArgsConstructor
#NoArgsConstructor
#DiscriminatorValue("sub-class")
public class SUBCLASSTABLE extends SUPERCLASSTABLE {
private String cin;
private String firstNname;
private String lastName;
#OneToOne(cascade = CascadeType.ALL, optional = false)
#JsonIgnore
private SUPERCLASSTABLE superclasstable;
This is my response request:
{
"tblId": 1,
"publishingDate" : "2022-03-13",
"name" : "SomeName"
"sub-classtable"{
"tblId": null,
"publishingDate" : null,
"name" : null
"cin": "somedata",
"firstName": "somedata",
"lastName": "somedata"
}
}
So what I want is just the data of subclass
Related
I'm working on an exercise where i have to create CRUD operations.
I have a User table, a Role table and a UserRole table where i have the primary keys of those two entities.
I also have a RoleEnum with roles that have to be assigned to the User.
The problem that i'm gettin is that every time I insert a new user is a 200ok response but the role returns null and so it doesn't add it to the UserRole table as well.
I need help in solving the problem.
User Entity
#Data
#Entity
#NoArgsConstructor
#AllArgsConstructor
#Table(name = "utente")
public class Utente implements Serializable {
#Id
#GeneratedValue(strategy = GenerationType.IDENTITY)
private long matricola;
#Column(nullable = false)
private String nome;
#Column(nullable = false)
private String cognome;
#Column(nullable = false)
private String email;
#Column(name = "ruoloUtente", nullable = false)
#OneToMany(mappedBy = "matricolaUtente")
#JsonIgnore
private List<UtenteRuolo> ruoloUtente;
}
Role Entity
#Data
#Entity
#NoArgsConstructor
#AllArgsConstructor
#Table(name = "ruolo")
public class Ruolo implements Serializable {
#Id
#GeneratedValue(strategy = GenerationType.IDENTITY)
private long id;
#Column(name = "tipo_ruolo")
private String nome;
#Column(name = "utente_ruolo")
#OneToMany(mappedBy = "nomeRuolo")
private Set<UtenteRuolo> utenteRuolo;
}
UserRole class
#Data
#NoArgsConstructor
#AllArgsConstructor
#Entity
#Table(name = "utente_ruolo")
public class UtenteRuolo implements Serializable {
#EmbeddedId
private UtenteRuoloId utenteRuoloId;
#ManyToOne
#MapsId("matricola")
#JoinColumn(name = "matricola_utente", nullable = false)
private Utente matricolaUtente;
#ManyToOne
#MapsId("id")
#JoinColumn(name = "nome_ruolo", nullable = false)
private Ruolo nomeRuolo;
}
UserRoleId class
#Embeddable
#Data
#EqualsAndHashCode
#AllArgsConstructor
#NoArgsConstructor
public class UtenteRuoloId implements Serializable {
#Column(name = "matricola")
private Long matricola;
#Column(name = "id")
private Long id;
}
RoleEnum class
public enum RuoliEnum {
#JsonProperty
REFERENTE("REFERENTE"),
CONSULTATORE("CONSULTATORE"),
APPROVATORE("APPROVATORE");
#JsonProperty
private String value;
RuoliEnum(String value) { this.value = value; }
#JsonCreator
public static RuoliEnum fromValue(String text) {
for (RuoliEnum ruoli: RuoliEnum.values()) {
if (String.valueOf(ruoli.value).equalsIgnoreCase(text.trim())) {
return ruoli;
}
}
return null;
}
}
I also have all DTO's and the UserDTO has the RoleEnum instead of the List of class UserRole.
UserService
#Service
public class UtenteService {
#Autowired
private UtenteRepository utenteRepository;
#Autowired
private UtenteMap utenteMap;
public UtenteDto addUtente(UtenteDto utente) {
Utente u = utenteMap.fromDtoToModel(utente);
if(u != null) {
return utenteMap.fromModelToDto(utenteRepository.save(u));
}
return null;
}
UserController
#RestController
#RequestMapping("utente")
public class UtenteController {
#Autowired
private UtenteService utenteService;
#PostMapping("/addUtente")
public ResponseEntity addUtente(#Nullable #RequestBody UtenteDto utente) {
if(utente != null) {
return ResponseEntity.ok(utenteService.addUtente(utente));
} else {
return ResponseEntity.badRequest().body("utente non inserito correttamente");
}
}
this is a postman insert example:
{
"matricola" : 11,
"nome" : "aaa",
"cognome" : "bb",
"email" : "eee#mail.com",
"ruolo" : "APPROVATORE"
}
and this is the postman response with 200ok status:
{
"matricola": 11,
"nome": "aaa",
"cognome": "bb",
"email": "eee#mail.com",
"ruolo": null
}
the code doesn't tell me about any kind of error and i need to keep the UserRole table because it's required for this kind of exercise.
I tried everything I could but since I never worked like this with enums and this kind of table relations I don't know what's missing to complete it.
i want to implement a many to many association with quantity information in it . like this :
#Entity
#Table(name = "reserves")
#Getter #Setter #NoArgsConstructor
public class Reserve {
#Id
#ManyToOne(cascade = CascadeType.ALL,fetch = FetchType.EAGER)
#JoinColumn(name = "groupe_id")
private GroupeSanguin bloodGroup;
#Id
#ManyToOne(cascade = CascadeType.ALL,fetch = FetchType.EAGER)
private Banque banque;
private int quantity;
}
the GroupSanguin and the Banque are two class stored in the database two . here is the code for the two if you need :
#Entity
#Table(name = "groupe_sanguins")
public class GroupeSanguin {
#Id
private String groupe;
#OneToMany(mappedBy = "groupeSanguin")
private List<Donneur> donneurs;
}
#Entity #Getter #Setter #NoArgsConstructor
public class Banque {
#Id
#GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
#Column(unique = true,nullable = false)
private String nom;
private String adresse;
#Column(unique = true)
private String telephone;
private String localisation;
}
so my i want to know how to annotate the JpaRepository to take the two as primary key like this and is my annotation good for it to work ?
public interface ReserveRepository extends JpaRepository<
Reserve,
//what to put here ?
>
This isn't a JPA question in fact, it's a relationnal database conception.
If Reserve has is own data and links with other entity it has it own Id
You can add unicity constraint
#Entity
#Table(name = "reserves", uniqueConstraints={
#UniqueConstraint(columnNames = {"banque_id", "groupe_id"})
#Getter #Setter #NoArgsConstructor
public class Reserve {
#Id
#GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
#ManyToOne(cascade = CascadeType.ALL,fetch = FetchType.EAGER)
#JoinColumn(name = "groupe_id")
private GroupeSanguin bloodGroup;
#ManyToOne(cascade = CascadeType.ALL,fetch = FetchType.EAGER)
#JoinColumn(name = "banque_id")
private Banque banque;
private int quantity;
}
i've found this solutions too.
#Entity
#Table(name = "reserves")
#Getter #Setter #NoArgsConstructor
#IdClass(ReserveId.class) //this annotation will tell that id that the
// the id will be represented by a class
public class Reserve {
#Id
#ManyToOne(cascade = CascadeType.ALL,fetch = FetchType.EAGER)
#JoinColumn(name = "groupe_id")
private GroupeSanguin groupeSanguin;
#Id
#ManyToOne(cascade = CascadeType.ALL,fetch = FetchType.EAGER)
#JoinColumn(name = "banque_id")
private Banque banque;
private int quantity;
}
and the id class should implements Serializable like this :
#Getter #Setter
public class ReserveId implements Serializable {
private Banque banque;
private GroupeSanguin groupeSanguin;
}
and finally the repository will be like that :
#Repository
public interface ReserveRepo extends JpaRepository<Reserve, ReserveId>{}
See your Reserve class has nowhere mentioned composite primary key. First you need to fix the model, You can refer to the solution here How to create and handle composite primary key in JPA
I'm developing an application that queries a database.
There are a few issues right now.
history.isPresent() == false when calling Optional<History> findByKeyEquals() intermittently. but value is exist on database
This is the information I got while tracking the issue.
All child entities are non-null.
In most cases, if the same function is re-executed, it is searched.
But sometimes it doesn't happen intermittently.
i think that i use incorrectly table relationship annotation (#OneToMany,#ManyToOne options..)
I want to solve this issue.
this is my code
History (Parent)
#Table(
indexes = {
#Index(columnList = "key", unique = true),
})
#Entity
#Getter
#ToString
#Audited
public class History implements Serializable {
#Id
#GeneratedValue(strategy = GenerationType.IDENTITY)
#Column(updatable = false, nullable = false, columnDefinition = "BIGINT UNSIGNED")
private Long id;
#Setter
#Column(nullable = false, columnDefinition = "CHAR(36)")
private String key = UUID.randomUUID().toString();
#Setter
#Temporal(TemporalType.TIMESTAMP)
#NotAudited
private Date started = new Date();
#Setter
#Temporal(TemporalType.TIMESTAMP)
#NotAudited
private Date finished;
#Setter
#OneToMany(
cascade = CascadeType.ALL,
fetch = FetchType.LAZY,
mappedBy = "history",
orphanRemoval = true)
#NotAudited
private List<Content> contents = new ArrayList<>();
...
}
Content (Child)
#Table
#Entity
#Getter
#Audited
public class Content implements Serializable {
#Id
#GeneratedValue(strategy = GenerationType.IDENTITY)
#Column(updatable = false, nullable = false, columnDefinition = "BIGINT UNSIGNED")
private Long id;
#Setter
#Column(columnDefinition = "LONGTEXT")
#NotAudited
private String content;
#Setter
#ManyToOne(targetEntity = History.class, fetch = FetchType.Lazy, optional = false)
#Audited
private History history;
...
}
Repository
public interface HistoryRepository
extends JpaRepository<History, Long>, RevisionRepository<History, Long, Integer> {
Optional<History> findByKeyEquals(final String key);
}
I want to embed the following
#Embeddable
public class BaseEntity implements Serializable {
#Id
#GeneratedValue
private UUID id;
#CreatedDate
#Column(name = "created_date", updatable = false)
private LocalDateTime createdDate;
}
into my room entity
#Entity
#Data
#NoArgsConstructor
#Table(name = "room")
public class room {
#EmbeddedId
private BaseEntity baseEntity;
#Column(length = 80, nullable = false)
private String name;
}
So that my generated table looks like this
room
id
createdDate
name
But id and createdDate are not getting embedded
Instead of #Embeddable just extend your BaseEntity
#MappedSuperclass
#Getter
#Setter
public class BaseEntity implements Serializable {
#Id
#GeneratedValue
private UUID id;
#CreatedDate
#Column(name = "created_date", updatable = false)
private LocalDateTime createdDate;
}
#Entity
#Data
#NoArgsConstructor
#Table(name = "room")
public class room extends BaseEntity{
#Column(length = 80, nullable = false)
private String name;
}
I am using Java 1.8 & SpringBoot 2.3.4.RELEASE. I am trying to use the AuditingEntityListener and #MappedSuperclass features to populate the created_date and updated_date timestamps.
But I am getting this Exception: java.lang.ClassCastException: Cannot cast java.lang.String to java.time.LocalDateTime
I tried without #MappedSuperclass and it works.....but the created_date and updated_date fields are not getting populated.
Can anyone help me on this?
Here is the code snippet:
#Getter
#Setter
#NoArgsConstructor
#AllArgsConstructor
#MappedSuperclass
#EntityListeners(AuditingEntityListener.class)
public abstract class AuditableEntity implements Serializable {
#CreatedDate
#Column(name = "created_ts",nullable = false, updatable = false)
private LocalDateTime createdDate;
#LastModifiedBy
#Column(name = "updated_ts",nullable = false)
private LocalDateTime updatedDate;
#CreatedBy
#Column(name = "src_sys_cd",length = 15, updatable = false)
private String source;
#Version
#Column(name = "record_version_nb", length = 20, nullable = false)
private Long version;
}
----------------------------------
#Component
public class AuditorAwareImpl implements AuditorAware<String> {
#Value("${customer.service.source.code}")
private String auditor;
#Override
public Optional<String> getCurrentAuditor() {
return Optional.of(auditor);
}
}
----------------------------------
#Entity
#Setter
#Getter
#Builder
#Table(name = "customer_information")
#AllArgsConstructor
#NoArgsConstructor
public class CustomerEntity extends AuditableEntity {
#Id
#Column(name = "id")
#GeneratedValue(strategy=GenerationType.IDENTITY)
private Integer id;
}
#LastModifiedBy is used to set the current user when a modification happens. That is typically a String which can't be converted to anything date/time like and doesn't seem to be what you were looking for.
You should change this to:
#LastModifiedBy
#Column(name = "updated_ts",nullable = false)
private LocalDateTime updatedDate;
#LastModifiedDate
#Column(name = "updated_ts",nullable = false)
private LocalDateTime updatedDate;