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Refactor services and controllers to use ID for updates and standardize DAO method names

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This commit is contained in:
Vincent Guillet
2025-05-23 14:50:27 +02:00
parent c1617cbd38
commit dc73603cda
13 changed files with 123 additions and 55 deletions
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15
hibernate-project/pom.xml
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@@ -69,6 +69,11 @@
<artifactId>jakarta.validation-api</artifactId>
<version>3.1.0</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-simple</artifactId>
<version>2.0.17</version>
</dependency>
<dependency>
<groupId>com.mysql</groupId>
<artifactId>mysql-connector-j</artifactId>
@@ -79,16 +84,6 @@
<artifactId>reflections</artifactId>
<version>0.10.2</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-simple</artifactId>
<version>2.0.17</version>
</dependency>
<dependency>
<groupId>org.mockito</groupId>
<artifactId>mockito-core</artifactId>
<version>5.17.0</version>
</dependency>
<!-- JAX-RS (Jersey) -->
<dependency>

14
hibernate-project/src/main/java/com/humanbooster/controller/ArticleController.java Normal file
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@@ -0,0 +1,14 @@
package com.humanbooster.controller;
import com.humanbooster.dao.GenericDao;
import com.humanbooster.model.Article;
import jakarta.ws.rs.Path;
import org.hibernate.SessionFactory;
@Path("/articles")
public class ArticleController extends GenericControllerImpl<Article, Long> {
public ArticleController(SessionFactory sessionFactory, GenericDao<Article, Long> dao) {
super(sessionFactory,dao);
}
}

11
hibernate-project/src/main/java/com/humanbooster/controller/GenericController.java Normal file
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@@ -0,0 +1,11 @@
package com.humanbooster.controller;
import java.util.List;
public interface GenericController<T, ID> {
void create(T entity);
T read(ID id);
void update(ID id);
void delete(ID id);
List<T> getAll();
}

54
hibernate-project/src/main/java/com/humanbooster/controller/GenericControllerImpl.java Normal file
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@@ -0,0 +1,54 @@
package com.humanbooster.controller;
import com.humanbooster.dao.GenericDao;
import jakarta.ws.rs.*;
import jakarta.ws.rs.core.MediaType;
import org.hibernate.SessionFactory;
import java.util.List;
@Produces(MediaType.APPLICATION_JSON)
@Consumes(MediaType.APPLICATION_JSON)
public abstract class GenericControllerImpl<T, ID> implements GenericController<T, ID>, GenericDao<T, ID> {
protected final SessionFactory sessionFactory;
private final GenericDao<T, ID> dao;
public GenericControllerImpl(SessionFactory sessionFactory, GenericDao<T, ID> dao) {
this.sessionFactory = sessionFactory;
this.dao = dao;
}
@POST
@Override
public void create(T entity) {
dao.create(entity);
}
@GET
@Path("/{id}")
@Override
public T read(@PathParam("id") ID id) {
return dao.read(id);
}
@PUT
@Path("/{id}")
@Override
public void update(@PathParam("id") ID id) {
dao.update(id);
}
@DELETE
@Path("/{id}")
@Override
public void delete(@PathParam("id") ID id) {
dao.delete(id);
}
@GET
@Override
public List<T> getAll() {
return dao.getAll();
}
}

39
hibernate-project/src/main/java/com/humanbooster/controller/UserController.java
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@@ -1,50 +1,25 @@
package com.humanbooster.controller;
import com.humanbooster.config.HibernateConfig;
import com.humanbooster.dao.GenericDao;
import com.humanbooster.dao.UserDao;
import com.humanbooster.model.User;
import jakarta.inject.Inject;
import jakarta.ws.rs.*;
import jakarta.ws.rs.core.MediaType;
import org.hibernate.SessionFactory;
import java.util.List;
@Path("/users")
@Produces(MediaType.APPLICATION_JSON)
@Consumes(MediaType.APPLICATION_JSON)
public class UserController {
public class UserController extends GenericControllerImpl<User, Long> {
SessionFactory sessionFactory = HibernateConfig.getSessionFactory();
private final UserDao dao = new UserDao(sessionFactory);
@GET
public List<User> getAll() {
return dao.findAll();
public UserController() {
this(HibernateConfig.getSessionFactory(), new UserDao(HibernateConfig.getSessionFactory()));
}
@GET
@Path("/{id}")
public User getById(@PathParam("id") Long id) {
return dao.read(id);
}
@POST
public void create(User person) {
dao.create(person);
}
@PUT
@Path("/{id}")
public void update(@PathParam("id") Long id, User user) {
user.setId(id);
dao.update(user);
}
@DELETE
@Path("/{id}")
public void delete(@PathParam("id") Long id) {
System.out.println();
dao.delete(id);
public UserController(SessionFactory sessionFactory, UserDao userDao) {
super(sessionFactory, userDao);
}
}

4
hibernate-project/src/main/java/com/humanbooster/dao/GenericDao.java
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@@ -5,7 +5,7 @@ import java.util.List;
public interface GenericDao<T, ID> {
void create(T entity);
T read(ID id);
void update(T entity);
void update(ID id);
void delete(ID id);
List<T> findAll();
List<T> getAll();
}

5
hibernate-project/src/main/java/com/humanbooster/dao/GenericDaoImpl.java
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@@ -35,9 +35,10 @@ public abstract class GenericDaoImpl<T, ID> implements GenericDao<T, ID> {
}
@Override
public void update(T entity) {
public void update(ID id) {
try (Session session = sessionFactory.openSession()) {
session.beginTransaction();
T entity = session.get(entityClass, id);
session.merge(entity);
session.getTransaction().commit();
}
@@ -54,7 +55,7 @@ public abstract class GenericDaoImpl<T, ID> implements GenericDao<T, ID> {
}
@Override
public List<T> findAll() {
public List<T> getAll() {
try (Session session = sessionFactory.openSession()) {
session.beginTransaction();
List<T> entities = session.createQuery("from " + entityClass.getName(), entityClass).list();

2
hibernate-project/src/main/java/com/humanbooster/model/Article.java
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@@ -1,5 +1,6 @@
package com.humanbooster.model;
import com.fasterxml.jackson.annotation.JsonBackReference;
import jakarta.persistence.*;
import java.time.LocalDate;
@@ -9,6 +10,7 @@ public class Article extends Publication {
@ManyToOne
@JoinColumn(name="author_id", nullable = false)
@JsonBackReference
private User author;
private int views = 0;

2
hibernate-project/src/main/java/com/humanbooster/model/User.java
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@@ -1,5 +1,6 @@
package com.humanbooster.model;
import com.fasterxml.jackson.annotation.JsonManagedReference;
import jakarta.persistence.*;
import jakarta.validation.constraints.NotNull;
@@ -19,6 +20,7 @@ public class User {
private String email;
@OneToMany(mappedBy="author", cascade = CascadeType.ALL, orphanRemoval = true, fetch = FetchType.EAGER)
@JsonManagedReference
private List<Article> articles;
public User() {}

6
hibernate-project/src/main/java/com/humanbooster/service/AdService.java
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@@ -15,8 +15,8 @@ public record AdService (AdDao adDao) {
return adDao.read(id);
}
public void updateAd(Ad ad) {
adDao.update(ad);
public void updateAd(Long id) {
adDao.update(id);
}
public void deleteAd(Long id) {
@@ -24,6 +24,6 @@ public record AdService (AdDao adDao) {
}
public List<Ad> getAllAds() {
return adDao.findAll();
return adDao.getAll();
}
}

6
hibernate-project/src/main/java/com/humanbooster/service/ArticleService.java
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@@ -15,8 +15,8 @@ public record ArticleService(ArticleDao articleDao) {
articleDao.read(id);
}
public void updateArticle(Article article) {
articleDao.update(article);
public void updateArticle(Long id) {
articleDao.update(id);
}
public void deleteArticle(Long id) {
@@ -24,7 +24,7 @@ public record ArticleService(ArticleDao articleDao) {
}
public List<Article> getAllArticles() {
return articleDao.findAll();
return articleDao.getAll();
}
public Article findArticleByAuthor(String author) {

6
hibernate-project/src/main/java/com/humanbooster/service/UserService.java
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@@ -15,8 +15,8 @@ public record UserService (UserDao userDao) {
userDao.read(id);
}
public void updateUser(User user) {
userDao.update(user);
public void updateUser(Long id) {
userDao.update(id);
}
public void deleteUser(Long id) {
@@ -24,7 +24,7 @@ public record UserService (UserDao userDao) {
}
public List<User> getAllUsers() {
return userDao.findAll();
return userDao.getAll();
}
public User findUserByEmail(String email) {

14
hibernate-project/test.http Normal file
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@@ -0,0 +1,14 @@
### GET request to example server
GET http://localhost/users
###
POST http://localhost/users/
Content-Type: application/json
{
"name": "John Doe",
"email": "john.doe@example.com"
}
###
DELETE http://localhost/articles/13