JAVA-4: renamed to hibernate-annotations, moved couple of articles
This commit is contained in:
sampadawagde
parent
9017080633
commit
d2d2a890fa
|
|
@ -1,10 +1,10 @@
|
|||
## Hibernate 5
|
||||
## Hibernate Annotations
|
||||
|
||||
This module contains articles about Hibernate 5.
|
||||
This module contains articles about Hibernate Annotations.
|
||||
|
||||
### Relevant Articles:
|
||||
- [Custom Types in Hibernate and the @Type Annotation](https://www.baeldung.com/hibernate-custom-types)
|
||||
- [@Immutable in Hibernate](http://www.baeldung.com/hibernate-immutable)
|
||||
- [@JoinColumn Annotation Explained](https://www.baeldung.com/jpa-join-column)
|
||||
- [Difference Between @JoinColumn and mappedBy](https://www.baeldung.com/jpa-joincolumn-vs-mappedby)
|
||||
|
||||
- [Hibernate One to Many Annotation Tutorial](http://www.baeldung.com/hibernate-one-to-many)
|
||||
- [Hibernate @WhereJoinTable Annotation](https://www.baeldung.com/hibernate-wherejointable)
|
||||
|
|
|
|||
|
|
@ -0,0 +1,34 @@
|
|||
package com.baeldung.hibernate.oneToMany.config;
|
||||
|
||||
import org.hibernate.SessionFactory;
|
||||
import org.hibernate.boot.Metadata;
|
||||
import org.hibernate.boot.MetadataSources;
|
||||
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
|
||||
import org.hibernate.service.ServiceRegistry;
|
||||
|
||||
public class HibernateAnnotationUtil {
|
||||
|
||||
private static SessionFactory sessionFactory;
|
||||
|
||||
private static SessionFactory buildSessionFactory() {
|
||||
try {
|
||||
// Create the SessionFactory from hibernate-annotation.cfg.xml
|
||||
ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder().configure("hibernate-annotation.cfg.xml").build();
|
||||
Metadata metadata = new MetadataSources(serviceRegistry).getMetadataBuilder().build();
|
||||
SessionFactory sessionFactory = metadata.getSessionFactoryBuilder().build();
|
||||
|
||||
return sessionFactory;
|
||||
|
||||
} catch (Throwable ex) {
|
||||
System.err.println("Initial SessionFactory creation failed." + ex);
|
||||
ex.printStackTrace();
|
||||
throw new ExceptionInInitializerError(ex);
|
||||
}
|
||||
}
|
||||
|
||||
public static SessionFactory getSessionFactory() {
|
||||
if (sessionFactory == null)
|
||||
sessionFactory = buildSessionFactory();
|
||||
return sessionFactory;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,71 @@
|
|||
package com.baeldung.hibernate.oneToMany.main;
|
||||
|
||||
import java.util.HashSet;
|
||||
import java.util.Set;
|
||||
|
||||
import org.hibernate.Session;
|
||||
import org.hibernate.SessionFactory;
|
||||
import org.hibernate.Transaction;
|
||||
|
||||
import com.baeldung.hibernate.oneToMany.config.HibernateAnnotationUtil;
|
||||
import com.baeldung.hibernate.oneToMany.model.Cart;
|
||||
import com.baeldung.hibernate.oneToMany.model.Items;
|
||||
import com.baeldung.hibernate.oneToMany.model.ItemsOIO;
|
||||
|
||||
public class HibernateManyisOwningSide {
|
||||
public static void main(String[] args) {
|
||||
|
||||
Cart cart = new Cart();
|
||||
Cart cart2 = new Cart();
|
||||
|
||||
Items item1 = new Items(cart);
|
||||
Items item2 = new Items(cart2);
|
||||
Set<Items> itemsSet = new HashSet<Items>();
|
||||
itemsSet.add(item1);
|
||||
itemsSet.add(item2);
|
||||
|
||||
cart.setItems(itemsSet);
|
||||
|
||||
|
||||
|
||||
SessionFactory sessionFactory = null;
|
||||
Session session = null;
|
||||
Transaction tx = null;
|
||||
try {
|
||||
// Get Session
|
||||
sessionFactory = HibernateAnnotationUtil.getSessionFactory();
|
||||
session = sessionFactory.getCurrentSession();
|
||||
System.out.println("Session created");
|
||||
// start transaction
|
||||
tx = session.beginTransaction();
|
||||
// Save the Model object
|
||||
session.save(cart);
|
||||
session.save(cart2);
|
||||
session.save(item1);
|
||||
session.save(item2);
|
||||
// Commit transaction
|
||||
tx.commit();
|
||||
session = sessionFactory.getCurrentSession();
|
||||
tx = session.beginTransaction();
|
||||
|
||||
item1 = (Items) session.get(Items.class, new Long(1));
|
||||
item2 = (Items) session.get(Items.class, new Long(2));
|
||||
tx.commit();
|
||||
|
||||
|
||||
System.out.println("item1 ID=" + item1.getId() + ", Foreign Key CartOIO ID=" + item1.getCart()
|
||||
.getId());
|
||||
System.out.println("item2 ID=" + item2.getId() + ", Foreign Key CartOIO ID=" + item2.getCart()
|
||||
.getId());
|
||||
|
||||
} catch (Exception e) {
|
||||
System.out.println("Exception occured. " + e.getMessage());
|
||||
e.printStackTrace();
|
||||
} finally {
|
||||
if (!sessionFactory.isClosed()) {
|
||||
System.out.println("Closing SessionFactory");
|
||||
sessionFactory.close();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,60 @@
|
|||
package com.baeldung.hibernate.oneToMany.main;
|
||||
|
||||
import java.util.HashSet;
|
||||
import java.util.Set;
|
||||
|
||||
import org.hibernate.Session;
|
||||
import org.hibernate.SessionFactory;
|
||||
import org.hibernate.Transaction;
|
||||
|
||||
import com.baeldung.hibernate.oneToMany.config.HibernateAnnotationUtil;
|
||||
import com.baeldung.hibernate.oneToMany.model.Cart;
|
||||
import com.baeldung.hibernate.oneToMany.model.Items;
|
||||
|
||||
public class HibernateOneToManyAnnotationMain {
|
||||
|
||||
public static void main(String[] args) {
|
||||
|
||||
Cart cart = new Cart();
|
||||
|
||||
Items item1 = new Items(cart);
|
||||
Items item2 = new Items(cart);
|
||||
Set<Items> itemsSet = new HashSet<Items>();
|
||||
itemsSet.add(item1);
|
||||
itemsSet.add(item2);
|
||||
|
||||
cart.setItems(itemsSet);
|
||||
|
||||
|
||||
SessionFactory sessionFactory = null;
|
||||
Session session = null;
|
||||
Transaction tx = null;
|
||||
try {
|
||||
// Get Session
|
||||
sessionFactory = HibernateAnnotationUtil.getSessionFactory();
|
||||
session = sessionFactory.getCurrentSession();
|
||||
System.out.println("Session created");
|
||||
// start transaction
|
||||
tx = session.beginTransaction();
|
||||
// Save the Model object
|
||||
session.save(cart);
|
||||
session.save(item1);
|
||||
session.save(item2);
|
||||
// Commit transaction
|
||||
tx.commit();
|
||||
System.out.println("Cart ID=" + cart.getId());
|
||||
System.out.println("item1 ID=" + item1.getId() + ", Foreign Key Cart ID=" + item1.getCart().getId());
|
||||
System.out.println("item2 ID=" + item2.getId() + ", Foreign Key Cart ID=" + item1.getCart().getId());
|
||||
|
||||
} catch (Exception e) {
|
||||
System.out.println("Exception occured. " + e.getMessage());
|
||||
e.printStackTrace();
|
||||
} finally {
|
||||
if (!sessionFactory.isClosed()) {
|
||||
System.out.println("Closing SessionFactory");
|
||||
sessionFactory.close();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,67 @@
|
|||
package com.baeldung.hibernate.oneToMany.main;
|
||||
|
||||
import java.util.HashSet;
|
||||
import java.util.Set;
|
||||
|
||||
import org.hibernate.Session;
|
||||
import org.hibernate.SessionFactory;
|
||||
import org.hibernate.Transaction;
|
||||
|
||||
import com.baeldung.hibernate.oneToMany.config.HibernateAnnotationUtil;
|
||||
import com.baeldung.hibernate.oneToMany.model.CartOIO;
|
||||
import com.baeldung.hibernate.oneToMany.model.ItemsOIO;
|
||||
|
||||
public class HibernateOneisOwningSide {
|
||||
public static void main(String[] args) {
|
||||
|
||||
CartOIO cart = new CartOIO();
|
||||
CartOIO cart2 = new CartOIO();
|
||||
|
||||
ItemsOIO item1 = new ItemsOIO(cart);
|
||||
ItemsOIO item2 = new ItemsOIO(cart2);
|
||||
Set<ItemsOIO> itemsSet = new HashSet<ItemsOIO>();
|
||||
itemsSet.add(item1);
|
||||
itemsSet.add(item2);
|
||||
|
||||
cart.setItems(itemsSet);
|
||||
|
||||
SessionFactory sessionFactory = null;
|
||||
Session session = null;
|
||||
Transaction tx = null;
|
||||
try {
|
||||
// Get Session
|
||||
sessionFactory = HibernateAnnotationUtil.getSessionFactory();
|
||||
session = sessionFactory.getCurrentSession();
|
||||
System.out.println("Session created");
|
||||
// start transaction
|
||||
tx = session.beginTransaction();
|
||||
// Save the Model object
|
||||
session.save(cart);
|
||||
session.save(cart2);
|
||||
session.save(item1);
|
||||
session.save(item2);
|
||||
// Commit transaction
|
||||
tx.commit();
|
||||
|
||||
session = sessionFactory.getCurrentSession();
|
||||
tx = session.beginTransaction();
|
||||
item1 = (ItemsOIO) session.get(ItemsOIO.class, new Long(1));
|
||||
item2 = (ItemsOIO) session.get(ItemsOIO.class, new Long(2));
|
||||
tx.commit();
|
||||
|
||||
System.out.println("item1 ID=" + item1.getId() + ", Foreign Key CartOIO ID=" + item1.getCartOIO()
|
||||
.getId());
|
||||
System.out.println("item2 ID=" + item2.getId() + ", Foreign Key CartOIO ID=" + item2.getCartOIO()
|
||||
.getId());
|
||||
|
||||
} catch (Exception e) {
|
||||
System.out.println("Exception occured. " + e.getMessage());
|
||||
e.printStackTrace();
|
||||
} finally {
|
||||
if (!sessionFactory.isClosed()) {
|
||||
System.out.println("Closing SessionFactory");
|
||||
sessionFactory.close();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,43 @@
|
|||
package com.baeldung.hibernate.oneToMany.model;
|
||||
|
||||
import java.util.Set;
|
||||
|
||||
import javax.persistence.Column;
|
||||
import javax.persistence.Entity;
|
||||
import javax.persistence.GeneratedValue;
|
||||
import javax.persistence.GenerationType;
|
||||
import javax.persistence.Id;
|
||||
import javax.persistence.OneToMany;
|
||||
import javax.persistence.Table;
|
||||
|
||||
@Entity
|
||||
@Table(name = "CART")
|
||||
public class Cart {
|
||||
|
||||
@Id
|
||||
@GeneratedValue(strategy = GenerationType.IDENTITY)
|
||||
@Column(name = "cart_id")
|
||||
private long id;
|
||||
|
||||
|
||||
@OneToMany(mappedBy = "cart")
|
||||
private Set<Items> items;
|
||||
|
||||
public long getId() {
|
||||
return id;
|
||||
}
|
||||
|
||||
public void setId(long id) {
|
||||
this.id = id;
|
||||
}
|
||||
|
||||
|
||||
public Set<Items> getItems() {
|
||||
return items;
|
||||
}
|
||||
|
||||
public void setItems(Set<Items> items) {
|
||||
this.items = items;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,42 @@
|
|||
package com.baeldung.hibernate.oneToMany.model;
|
||||
|
||||
import java.util.Set;
|
||||
import javax.persistence.Entity;
|
||||
import javax.persistence.GeneratedValue;
|
||||
import javax.persistence.GenerationType;
|
||||
import javax.persistence.Id;
|
||||
import javax.persistence.JoinColumn;
|
||||
import javax.persistence.OneToMany;
|
||||
import javax.persistence.Table;
|
||||
|
||||
|
||||
|
||||
@Entity
|
||||
@Table(name = "CARTOIO")
|
||||
public class CartOIO {
|
||||
|
||||
@Id
|
||||
@GeneratedValue(strategy = GenerationType.IDENTITY)
|
||||
private long id;
|
||||
|
||||
@OneToMany
|
||||
@JoinColumn(name = "cart_id") // we need to duplicate the physical information
|
||||
private Set<ItemsOIO> items;
|
||||
|
||||
public long getId() {
|
||||
return id;
|
||||
}
|
||||
|
||||
public void setId(long id) {
|
||||
this.id = id;
|
||||
}
|
||||
|
||||
public Set<ItemsOIO> getItems() {
|
||||
return items;
|
||||
}
|
||||
|
||||
public void setItems(Set<ItemsOIO> items) {
|
||||
this.items = items;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,50 @@
|
|||
package com.baeldung.hibernate.oneToMany.model;
|
||||
|
||||
import javax.persistence.Column;
|
||||
import javax.persistence.Entity;
|
||||
import javax.persistence.GeneratedValue;
|
||||
import javax.persistence.GenerationType;
|
||||
import javax.persistence.Id;
|
||||
import javax.persistence.JoinColumn;
|
||||
import javax.persistence.ManyToOne;
|
||||
import javax.persistence.Table;
|
||||
|
||||
@Entity
|
||||
@Table(name = "ITEMS")
|
||||
public class Items {
|
||||
|
||||
@Id
|
||||
@GeneratedValue(strategy = GenerationType.IDENTITY)
|
||||
@Column(name = "id")
|
||||
private long id;
|
||||
|
||||
|
||||
@ManyToOne
|
||||
@JoinColumn(name = "cart_id", nullable = false)
|
||||
private Cart cart;
|
||||
|
||||
// Hibernate requires no-args constructor
|
||||
public Items() {
|
||||
}
|
||||
|
||||
public Items(Cart c) {
|
||||
this.cart = c;
|
||||
}
|
||||
|
||||
public Cart getCart() {
|
||||
return cart;
|
||||
}
|
||||
|
||||
public void setCart(Cart cart) {
|
||||
this.cart = cart;
|
||||
}
|
||||
|
||||
public long getId() {
|
||||
return id;
|
||||
}
|
||||
|
||||
public void setId(long id) {
|
||||
this.id = id;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,47 @@
|
|||
package com.baeldung.hibernate.oneToMany.model;
|
||||
|
||||
import javax.persistence.Entity;
|
||||
import javax.persistence.GeneratedValue;
|
||||
import javax.persistence.GenerationType;
|
||||
import javax.persistence.Id;
|
||||
import javax.persistence.JoinColumn;
|
||||
import javax.persistence.ManyToOne;
|
||||
import javax.persistence.Table;
|
||||
|
||||
@Entity
|
||||
@Table(name = "ITEMSOIO")
|
||||
public class ItemsOIO {
|
||||
|
||||
@Id
|
||||
@GeneratedValue(strategy = GenerationType.IDENTITY)
|
||||
private long id;
|
||||
|
||||
@ManyToOne
|
||||
@JoinColumn(name = "cart_id", insertable = false, updatable = false)
|
||||
private CartOIO cart;
|
||||
|
||||
// Hibernate requires no-args constructor
|
||||
public ItemsOIO() {
|
||||
}
|
||||
|
||||
public ItemsOIO(CartOIO c) {
|
||||
this.cart = c;
|
||||
}
|
||||
|
||||
public CartOIO getCartOIO() {
|
||||
return cart;
|
||||
}
|
||||
|
||||
public void setCartOIO(CartOIO cart) {
|
||||
this.cart = cart;
|
||||
}
|
||||
|
||||
public long getId() {
|
||||
return id;
|
||||
}
|
||||
|
||||
public void setId(long id) {
|
||||
this.id = id;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,56 @@
|
|||
package com.baeldung.hibernate.wherejointable;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
import javax.persistence.Entity;
|
||||
import javax.persistence.GeneratedValue;
|
||||
import javax.persistence.Id;
|
||||
import javax.persistence.ManyToMany;
|
||||
|
||||
@Entity(name = "e_group")
|
||||
public class Group {
|
||||
|
||||
@Id
|
||||
@GeneratedValue
|
||||
private Long id;
|
||||
|
||||
private String name;
|
||||
|
||||
@ManyToMany(mappedBy = "groups")
|
||||
private List<User> users = new ArrayList<>();
|
||||
|
||||
public Group(String name) {
|
||||
this.name = name;
|
||||
}
|
||||
|
||||
public Long getId() {
|
||||
return id;
|
||||
}
|
||||
|
||||
public void setId(Long id) {
|
||||
this.id = id;
|
||||
}
|
||||
|
||||
public String getName() {
|
||||
return name;
|
||||
}
|
||||
|
||||
public void setName(String name) {
|
||||
this.name = name;
|
||||
}
|
||||
|
||||
public List<User> getUsers() {
|
||||
return users;
|
||||
}
|
||||
|
||||
public void setUsers(List<User> users) {
|
||||
this.users = users;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return "Group [name=" + name + "]";
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,74 @@
|
|||
package com.baeldung.hibernate.wherejointable;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
import javax.persistence.Entity;
|
||||
import javax.persistence.GeneratedValue;
|
||||
import javax.persistence.Id;
|
||||
import javax.persistence.JoinColumn;
|
||||
import javax.persistence.JoinTable;
|
||||
import javax.persistence.ManyToMany;
|
||||
|
||||
import org.hibernate.annotations.WhereJoinTable;
|
||||
|
||||
@Entity
|
||||
public class User {
|
||||
|
||||
@Id
|
||||
@GeneratedValue
|
||||
private Long id;
|
||||
|
||||
private String name;
|
||||
|
||||
@ManyToMany
|
||||
@JoinTable(name = "r_user_group", joinColumns = @JoinColumn(name = "user_id"), inverseJoinColumns = @JoinColumn(name = "group_id"))
|
||||
private List<Group> groups = new ArrayList<>();
|
||||
|
||||
@WhereJoinTable(clause = "role='MODERATOR'")
|
||||
@ManyToMany
|
||||
@JoinTable(name = "r_user_group", joinColumns = @JoinColumn(name = "user_id"), inverseJoinColumns = @JoinColumn(name = "group_id"))
|
||||
private List<Group> moderatorGroups = new ArrayList<>();
|
||||
|
||||
public User(String name) {
|
||||
this.name = name;
|
||||
}
|
||||
|
||||
public Long getId() {
|
||||
return id;
|
||||
}
|
||||
|
||||
public void setId(Long id) {
|
||||
this.id = id;
|
||||
}
|
||||
|
||||
public String getName() {
|
||||
return name;
|
||||
}
|
||||
|
||||
public void setName(String name) {
|
||||
this.name = name;
|
||||
}
|
||||
|
||||
public List<Group> getGroups() {
|
||||
return groups;
|
||||
}
|
||||
|
||||
public void setGroups(List<Group> groups) {
|
||||
this.groups = groups;
|
||||
}
|
||||
|
||||
public void setModeratorGroups(List<Group> moderatorGroups) {
|
||||
this.moderatorGroups = moderatorGroups;
|
||||
}
|
||||
|
||||
public List<Group> getModeratorGroups() {
|
||||
return moderatorGroups;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return "User [name=" + name + "]";
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,31 @@
|
|||
package com.baeldung.hibernate.wherejointable;
|
||||
|
||||
import java.io.Serializable;
|
||||
|
||||
import javax.persistence.Column;
|
||||
import javax.persistence.Entity;
|
||||
import javax.persistence.EnumType;
|
||||
import javax.persistence.Enumerated;
|
||||
import javax.persistence.Id;
|
||||
|
||||
@Entity(name = "r_user_group")
|
||||
public class UserGroupRelation implements Serializable {
|
||||
|
||||
@Id
|
||||
@Column(name = "user_id", insertable = false, updatable = false)
|
||||
private final Long userId;
|
||||
|
||||
@Id
|
||||
@Column(name = "group_id", insertable = false, updatable = false)
|
||||
private final Long groupId;
|
||||
|
||||
@Enumerated(EnumType.STRING)
|
||||
private final UserGroupRole role;
|
||||
|
||||
public UserGroupRelation(Long userId, Long groupId, UserGroupRole role) {
|
||||
this.userId = userId;
|
||||
this.groupId = groupId;
|
||||
this.role = role;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,7 @@
|
|||
package com.baeldung.hibernate.wherejointable;
|
||||
|
||||
public enum UserGroupRole {
|
||||
|
||||
MEMBER, MODERATOR
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,95 @@
|
|||
package com.baeldung.hibernate.oneToMany.main;
|
||||
|
||||
import static org.junit.Assert.assertNotNull;
|
||||
import static org.junit.Assert.assertNull;
|
||||
|
||||
import java.util.HashSet;
|
||||
import java.util.Set;
|
||||
|
||||
import org.hibernate.Session;
|
||||
import org.hibernate.SessionFactory;
|
||||
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
|
||||
import org.hibernate.cfg.Configuration;
|
||||
import org.hibernate.dialect.H2Dialect;
|
||||
import org.hibernate.service.ServiceRegistry;
|
||||
import org.junit.After;
|
||||
import org.junit.AfterClass;
|
||||
import org.junit.Assert;
|
||||
import org.junit.Before;
|
||||
import org.junit.BeforeClass;
|
||||
import org.junit.Test;
|
||||
|
||||
import com.baeldung.hibernate.oneToMany.model.Cart;
|
||||
import com.baeldung.hibernate.oneToMany.model.Items;
|
||||
|
||||
public class HibernateOneToManyAnnotationMainIntegrationTest {
|
||||
|
||||
private static SessionFactory sessionFactory;
|
||||
|
||||
private Session session;
|
||||
|
||||
public HibernateOneToManyAnnotationMainIntegrationTest() {
|
||||
}
|
||||
|
||||
@BeforeClass
|
||||
public static void beforeTests() {
|
||||
Configuration configuration = new Configuration().addAnnotatedClass(Cart.class).addAnnotatedClass(Items.class)
|
||||
.setProperty("hibernate.dialect", H2Dialect.class.getName())
|
||||
.setProperty("hibernate.connection.driver_class", org.h2.Driver.class.getName())
|
||||
.setProperty("hibernate.connection.url", "jdbc:h2:mem:test")
|
||||
.setProperty("hibernate.connection.username", "sa").setProperty("hibernate.connection.password", "")
|
||||
.setProperty("hibernate.hbm2ddl.auto", "update");
|
||||
ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder()
|
||||
.applySettings(configuration.getProperties()).build();
|
||||
sessionFactory = configuration.buildSessionFactory(serviceRegistry);
|
||||
}
|
||||
|
||||
@Before
|
||||
public void setUp() {
|
||||
session = sessionFactory.openSession();
|
||||
session.beginTransaction();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenSession_checkIfDatabaseIsEmpty() {
|
||||
Cart cart = (Cart) session.get(Cart.class, new Long(1));
|
||||
assertNull(cart);
|
||||
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenSession_checkIfDatabaseIsPopulated_afterCommit() {
|
||||
Cart cart = new Cart();
|
||||
Set<Items> cartItems = new HashSet<>();
|
||||
cartItems = cart.getItems();
|
||||
Assert.assertNull(cartItems);
|
||||
Items item1 = new Items();
|
||||
item1.setCart(cart);
|
||||
assertNotNull(item1);
|
||||
Set<Items> itemsSet = new HashSet<Items>();
|
||||
itemsSet.add(item1);
|
||||
assertNotNull(itemsSet);
|
||||
cart.setItems(itemsSet);
|
||||
assertNotNull(cart);
|
||||
session.persist(cart);
|
||||
session.getTransaction().commit();
|
||||
session.close();
|
||||
|
||||
session = sessionFactory.openSession();
|
||||
session.beginTransaction();
|
||||
cart = (Cart) session.get(Cart.class, new Long(1));
|
||||
assertNotNull(cart);
|
||||
}
|
||||
|
||||
@After
|
||||
public void tearDown() {
|
||||
session.getTransaction().commit();
|
||||
session.close();
|
||||
}
|
||||
|
||||
@AfterClass
|
||||
public static void afterTests() {
|
||||
sessionFactory.close();
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,118 @@
|
|||
package com.baeldung.hibernate.wherejointable;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
import static org.junit.Assert.assertTrue;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
import org.hibernate.Session;
|
||||
import org.hibernate.SessionFactory;
|
||||
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
|
||||
import org.hibernate.cfg.Configuration;
|
||||
import org.hibernate.dialect.H2Dialect;
|
||||
import org.hibernate.service.ServiceRegistry;
|
||||
import org.junit.After;
|
||||
import org.junit.AfterClass;
|
||||
import org.junit.Before;
|
||||
import org.junit.BeforeClass;
|
||||
import org.junit.Test;
|
||||
|
||||
public class HibernateWhereJoinTableIntegrationTest {
|
||||
|
||||
private static SessionFactory sessionFactory;
|
||||
|
||||
private Session session;
|
||||
|
||||
/**
|
||||
* Test data
|
||||
*/
|
||||
private User user1;
|
||||
private User user2;
|
||||
private User user3;
|
||||
private Group group1;
|
||||
private Group group2;
|
||||
|
||||
@BeforeClass
|
||||
public static void beforeTests() {
|
||||
Configuration configuration = new Configuration().addAnnotatedClass(User.class)
|
||||
.addAnnotatedClass(Group.class)
|
||||
.addAnnotatedClass(UserGroupRelation.class)
|
||||
.setProperty("hibernate.dialect", H2Dialect.class.getName())
|
||||
.setProperty("hibernate.connection.driver_class", org.h2.Driver.class.getName())
|
||||
.setProperty("hibernate.connection.url", "jdbc:h2:mem:test")
|
||||
.setProperty("hibernate.connection.username", "sa")
|
||||
.setProperty("hibernate.connection.password", "")
|
||||
.setProperty("hibernate.hbm2ddl.auto", "update");
|
||||
|
||||
ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder()
|
||||
.applySettings(configuration.getProperties())
|
||||
.build();
|
||||
|
||||
sessionFactory = configuration.buildSessionFactory(serviceRegistry);
|
||||
}
|
||||
|
||||
@Before
|
||||
public void setUp() {
|
||||
session = sessionFactory.openSession();
|
||||
session.beginTransaction();
|
||||
|
||||
user1 = new User("user1");
|
||||
user2 = new User("user2");
|
||||
user3 = new User("user3");
|
||||
|
||||
group1 = new Group("group1");
|
||||
group2 = new Group("group2");
|
||||
|
||||
session.save(group1);
|
||||
session.save(group2);
|
||||
|
||||
session.save(user1);
|
||||
session.save(user2);
|
||||
session.save(user3);
|
||||
|
||||
saveRelation(user1, group1, UserGroupRole.MODERATOR);
|
||||
saveRelation(user2, group1, UserGroupRole.MODERATOR);
|
||||
saveRelation(user3, group1, UserGroupRole.MEMBER);
|
||||
|
||||
saveRelation(user1, group2, UserGroupRole.MEMBER);
|
||||
saveRelation(user2, group2, UserGroupRole.MODERATOR);
|
||||
}
|
||||
|
||||
@After
|
||||
public void tearDown() {
|
||||
session.getTransaction().commit();
|
||||
session.close();
|
||||
}
|
||||
|
||||
@AfterClass
|
||||
public static void afterTests() {
|
||||
sessionFactory.close();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenUser1_getGroups_returnsAllGroups() {
|
||||
List<Group> groups = user1.getGroups();
|
||||
assertEquals(2, groups.size());
|
||||
|
||||
assertTrue(groups.contains(group1));
|
||||
assertTrue(groups.contains(group2));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenUser1_getModeratorGroups_returnsOnlyModeratorGroups() {
|
||||
List<Group> groups = user1.getModeratorGroups();
|
||||
assertEquals(1, groups.size());
|
||||
|
||||
assertTrue(groups.contains(group1));
|
||||
}
|
||||
|
||||
private void saveRelation(User user, Group group, UserGroupRole role) {
|
||||
UserGroupRelation relation = new UserGroupRelation(user.getId(), group.getId(), role);
|
||||
|
||||
session.save(relation);
|
||||
session.flush();
|
||||
session.refresh(user);
|
||||
session.refresh(group);
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue