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[JAVA-11226] Fix and update Hibernate OneToMany code (#12031)

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This commit is contained in:
Haroon Khan 2022-04-11 15:55:30 +01:00 committed by GitHub
parent 813b27588e
commit 4ad546c702
15 changed files with 243 additions and 182 deletions
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2
persistence-modules/hibernate-annotations/pom.xml
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@ -82,7 +82,7 @@
<!-- Spring --> <!-- Spring -->
<org.springframework.version>5.0.2.RELEASE</org.springframework.version> <org.springframework.version>5.0.2.RELEASE</org.springframework.version>
<org.springframework.data.version>1.10.6.RELEASE</org.springframework.data.version> <org.springframework.data.version>1.10.6.RELEASE</org.springframework.data.version>
<hibernate-core.version>5.4.7.Final</hibernate-core.version> <hibernate-core.version>5.6.7.Final</hibernate-core.version>
<maven.deploy.skip>true</maven.deploy.skip> <maven.deploy.skip>true</maven.deploy.skip>
<spring-boot.version>2.1.7.RELEASE</spring-boot.version> <spring-boot.version>2.1.7.RELEASE</spring-boot.version>
<h2.version>1.4.200</h2.version> <h2.version>1.4.200</h2.version>

43
persistence-modules/hibernate-annotations/src/main/java/com/baeldung/hibernate/oneToMany/config/HibernateAnnotationUtil.java
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@ -1,34 +1,51 @@
package com.baeldung.hibernate.oneToMany.config; package com.baeldung.hibernate.oneToMany.config;
import com.baeldung.hibernate.oneToMany.model.Cart;
import com.baeldung.hibernate.oneToMany.model.CartOIO;
import com.baeldung.hibernate.oneToMany.model.Item;
import com.baeldung.hibernate.oneToMany.model.ItemOIO;
import org.hibernate.SessionFactory; import org.hibernate.SessionFactory;
import org.hibernate.boot.Metadata; import org.hibernate.boot.Metadata;
import org.hibernate.boot.MetadataSources; import org.hibernate.boot.MetadataSources;
import org.hibernate.boot.model.naming.ImplicitNamingStrategyJpaCompliantImpl;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder; import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.service.ServiceRegistry; import org.hibernate.service.ServiceRegistry;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class HibernateAnnotationUtil { public class HibernateAnnotationUtil {
private static final Logger LOGGER = LoggerFactory.getLogger(HibernateAnnotationUtil.class);
private static SessionFactory sessionFactory; private static SessionFactory sessionFactory;
public static SessionFactory getSessionFactory() {
if (sessionFactory == null) {
sessionFactory = buildSessionFactory();
}
return sessionFactory;
}
private static SessionFactory buildSessionFactory() { private static SessionFactory buildSessionFactory() {
try { try {
// Create the SessionFactory from hibernate-annotation.cfg.xml ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder()
ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder().configure("hibernate-annotation.cfg.xml").build(); .configure("hibernate-annotation.cfg.xml")
Metadata metadata = new MetadataSources(serviceRegistry).getMetadataBuilder().build(); .build();
SessionFactory sessionFactory = metadata.getSessionFactoryBuilder().build();
return sessionFactory; Metadata metadata = new MetadataSources(serviceRegistry)
.addAnnotatedClass(Cart.class)
.addAnnotatedClass(CartOIO.class)
.addAnnotatedClass(Item.class)
.addAnnotatedClass(ItemOIO.class)
.getMetadataBuilder()
.applyImplicitNamingStrategy(ImplicitNamingStrategyJpaCompliantImpl.INSTANCE)
.build();
return metadata.getSessionFactoryBuilder().build();
} catch (Throwable ex) { } catch (Throwable ex) {
System.err.println("Initial SessionFactory creation failed." + ex); LOGGER.error("Initial SessionFactory creation failed.", ex);
ex.printStackTrace();
throw new ExceptionInInitializerError(ex); throw new ExceptionInInitializerError(ex);
} }
} }
public static SessionFactory getSessionFactory() {
if (sessionFactory == null)
sessionFactory = buildSessionFactory();
return sessionFactory;
}
} }

71
persistence-modules/hibernate-annotations/src/main/java/com/baeldung/hibernate/oneToMany/main/HibernateManyIsOwningSide.java Normal file
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@ -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.Item;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class HibernateManyIsOwningSide {
private static final Logger LOGGER = LoggerFactory.getLogger(HibernateManyIsOwningSide.class);
public static void main(String[] args) {
Cart cart = new Cart();
Cart cart2 = new Cart();
Item item1 = new Item(cart);
Item item2 = new Item(cart2);
Set<Item> itemsSet = new HashSet<>();
itemsSet.add(item1);
itemsSet.add(item2);
cart.setItems(itemsSet);
// Get Session
SessionFactory sessionFactory = HibernateAnnotationUtil.getSessionFactory();
Session session = sessionFactory.getCurrentSession();
try {
LOGGER.info("Session created");
// start transaction
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 = session.get(Item.class, 1L);
item2 = session.get(Item.class, 2L);
tx.commit();
LOGGER.info("item1 ID={}, Foreign Key CartOIO ID={}", item1.getId(), item1.getCart().getId());
LOGGER.info("item2 ID={}, Foreign Key CartOIO ID={}", item2.getId(), item2.getCart().getId());
} catch (Exception e) {
LOGGER.error("Exception occurred", e);
} finally {
if (!sessionFactory.isClosed()) {
LOGGER.info("Closing SessionFactory");
sessionFactory.close();
}
}
}
}

71
persistence-modules/hibernate-annotations/src/main/java/com/baeldung/hibernate/oneToMany/main/HibernateManyisOwningSide.java
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@ -1,71 +0,0 @@
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();
}
}
}
}

44
persistence-modules/hibernate-annotations/src/main/java/com/baeldung/hibernate/oneToMany/main/HibernateOneisOwningSide.java → persistence-modules/hibernate-annotations/src/main/java/com/baeldung/hibernate/oneToMany/main/HibernateOneIsOwningSide.java
View File

@ -9,57 +9,59 @@ import org.hibernate.Transaction;
import com.baeldung.hibernate.oneToMany.config.HibernateAnnotationUtil; import com.baeldung.hibernate.oneToMany.config.HibernateAnnotationUtil;
import com.baeldung.hibernate.oneToMany.model.CartOIO; import com.baeldung.hibernate.oneToMany.model.CartOIO;
import com.baeldung.hibernate.oneToMany.model.ItemsOIO; import com.baeldung.hibernate.oneToMany.model.ItemOIO;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class HibernateOneIsOwningSide {
private static final Logger LOGGER = LoggerFactory.getLogger(HibernateOneIsOwningSide.class);
public class HibernateOneisOwningSide {
public static void main(String[] args) { public static void main(String[] args) {
CartOIO cart = new CartOIO(); CartOIO cart = new CartOIO();
CartOIO cart2 = new CartOIO(); CartOIO cart2 = new CartOIO();
ItemsOIO item1 = new ItemsOIO(cart); ItemOIO item1 = new ItemOIO(cart);
ItemsOIO item2 = new ItemsOIO(cart2); ItemOIO item2 = new ItemOIO(cart2);
Set<ItemsOIO> itemsSet = new HashSet<ItemsOIO>(); Set<ItemOIO> itemsSet = new HashSet<>();
itemsSet.add(item1); itemsSet.add(item1);
itemsSet.add(item2); itemsSet.add(item2);
cart.setItems(itemsSet); cart.setItems(itemsSet);
SessionFactory sessionFactory = null; SessionFactory sessionFactory = HibernateAnnotationUtil.getSessionFactory();
Session session = null; Session session = sessionFactory.getCurrentSession();
Transaction tx = null; LOGGER.info("Session created");
Transaction tx;
try { try {
// Get Session
sessionFactory = HibernateAnnotationUtil.getSessionFactory();
session = sessionFactory.getCurrentSession();
System.out.println("Session created");
// start transaction // start transaction
tx = session.beginTransaction(); tx = session.beginTransaction();
// Save the Model object // Save the Model object
session.save(cart); session.save(cart);
session.save(cart2); session.save(cart2);
session.save(item1); session.save(item1);
session.save(item2); session.save(item2);
// Commit transaction // Commit transaction
tx.commit(); tx.commit();
session = sessionFactory.getCurrentSession(); session = sessionFactory.getCurrentSession();
tx = session.beginTransaction(); tx = session.beginTransaction();
item1 = (ItemsOIO) session.get(ItemsOIO.class, new Long(1)); item1 = session.get(ItemOIO.class, 1L);
item2 = (ItemsOIO) session.get(ItemsOIO.class, new Long(2)); item2 = session.get(ItemOIO.class, 2L);
tx.commit(); tx.commit();
System.out.println("item1 ID=" + item1.getId() + ", Foreign Key CartOIO ID=" + item1.getCartOIO() LOGGER.info("item1 ID={}, Foreign Key CartOIO ID={}", item1.getId(), item1.getCartOIO().getId());
.getId()); LOGGER.info("item2 ID={}, Foreign Key CartOIO ID={}", item2.getId(), item2.getCartOIO().getId());
System.out.println("item2 ID=" + item2.getId() + ", Foreign Key CartOIO ID=" + item2.getCartOIO()
.getId());
} catch (Exception e) { } catch (Exception e) {
System.out.println("Exception occured. " + e.getMessage()); LOGGER.error("Exception occurred", e);
e.printStackTrace();
} finally { } finally {
if (!sessionFactory.isClosed()) { if (!sessionFactory.isClosed()) {
System.out.println("Closing SessionFactory"); LOGGER.info("Closing SessionFactory");
sessionFactory.close(); sessionFactory.close();
} }
} }

39
persistence-modules/hibernate-annotations/src/main/java/com/baeldung/hibernate/oneToMany/main/HibernateOneToManyAnnotationMain.java
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@ -9,52 +9,53 @@ import org.hibernate.Transaction;
import com.baeldung.hibernate.oneToMany.config.HibernateAnnotationUtil; import com.baeldung.hibernate.oneToMany.config.HibernateAnnotationUtil;
import com.baeldung.hibernate.oneToMany.model.Cart; import com.baeldung.hibernate.oneToMany.model.Cart;
import com.baeldung.hibernate.oneToMany.model.Items; import com.baeldung.hibernate.oneToMany.model.Item;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class HibernateOneToManyAnnotationMain { public class HibernateOneToManyAnnotationMain {
private static final Logger LOGGER = LoggerFactory.getLogger(HibernateOneToManyAnnotationMain.class);
public static void main(String[] args) { public static void main(String[] args) {
Cart cart = new Cart(); Cart cart = new Cart();
Items item1 = new Items(cart); Item item1 = new Item(cart);
Items item2 = new Items(cart); Item item2 = new Item(cart);
Set<Items> itemsSet = new HashSet<Items>(); Set<Item> itemsSet = new HashSet<>();
itemsSet.add(item1); itemsSet.add(item1);
itemsSet.add(item2); itemsSet.add(item2);
cart.setItems(itemsSet); cart.setItems(itemsSet);
SessionFactory sessionFactory = HibernateAnnotationUtil.getSessionFactory();
Session session = sessionFactory.getCurrentSession();
LOGGER.info("Session created");
SessionFactory sessionFactory = null;
Session session = null;
Transaction tx = null;
try { try {
// Get Session
sessionFactory = HibernateAnnotationUtil.getSessionFactory();
session = sessionFactory.getCurrentSession();
System.out.println("Session created");
// start transaction // start transaction
tx = session.beginTransaction(); Transaction tx = session.beginTransaction();
// Save the Model object // Save the Model object
session.save(cart); session.save(cart);
session.save(item1); session.save(item1);
session.save(item2); session.save(item2);
// Commit transaction // Commit transaction
tx.commit(); tx.commit();
System.out.println("Cart ID=" + cart.getId());
System.out.println("item1 ID=" + item1.getId() + ", Foreign Key Cart ID=" + item1.getCart().getId()); LOGGER.info("Cart ID={}", cart.getId());
System.out.println("item2 ID=" + item2.getId() + ", Foreign Key Cart ID=" + item1.getCart().getId()); LOGGER.info("item1 ID={}, Foreign Key Cart ID={}", item1.getId(), item1.getCart().getId());
LOGGER.info("item2 ID={}, Foreign Key Cart ID={}", item2.getId(), item2.getCart().getId());
} catch (Exception e) { } catch (Exception e) {
System.out.println("Exception occured. " + e.getMessage()); LOGGER.error("Exception occurred", e);
e.printStackTrace();
} finally { } finally {
if (!sessionFactory.isClosed()) { if (!sessionFactory.isClosed()) {
System.out.println("Closing SessionFactory"); LOGGER.info("Closing SessionFactory");
sessionFactory.close(); sessionFactory.close();
} }
} }
} }
} }

8
persistence-modules/hibernate-annotations/src/main/java/com/baeldung/hibernate/oneToMany/model/Cart.java
View File

@ -19,9 +19,8 @@ public class Cart {
@Column(name = "cart_id") @Column(name = "cart_id")
private long id; private long id;
@OneToMany(mappedBy = "cart") @OneToMany(mappedBy = "cart")
private Set<Items> items; private Set<Item> items;
public long getId() { public long getId() {
return id; return id;
@ -31,12 +30,11 @@ public class Cart {
this.id = id; this.id = id;
} }
public Set<Item> getItems() {
public Set<Items> getItems() {
return items; return items;
} }
public void setItems(Set<Items> items) { public void setItems(Set<Item> items) {
this.items = items; this.items = items;
} }

8
persistence-modules/hibernate-annotations/src/main/java/com/baeldung/hibernate/oneToMany/model/CartOIO.java
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@ -9,8 +9,6 @@ import javax.persistence.JoinColumn;
import javax.persistence.OneToMany; import javax.persistence.OneToMany;
import javax.persistence.Table; import javax.persistence.Table;
@Entity @Entity
@Table(name = "CARTOIO") @Table(name = "CARTOIO")
public class CartOIO { public class CartOIO {
@ -21,7 +19,7 @@ public class CartOIO {
@OneToMany @OneToMany
@JoinColumn(name = "cart_id") // we need to duplicate the physical information @JoinColumn(name = "cart_id") // we need to duplicate the physical information
private Set<ItemsOIO> items; private Set<ItemOIO> items;
public long getId() { public long getId() {
return id; return id;
@ -31,11 +29,11 @@ public class CartOIO {
this.id = id; this.id = id;
} }
public Set<ItemsOIO> getItems() { public Set<ItemOIO> getItems() {
return items; return items;
} }
public void setItems(Set<ItemsOIO> items) { public void setItems(Set<ItemOIO> items) {
this.items = items; this.items = items;
} }

7
persistence-modules/hibernate-annotations/src/main/java/com/baeldung/hibernate/oneToMany/model/Items.java → persistence-modules/hibernate-annotations/src/main/java/com/baeldung/hibernate/oneToMany/model/Item.java
View File

@ -11,23 +11,22 @@ import javax.persistence.Table;
@Entity @Entity
@Table(name = "ITEMS") @Table(name = "ITEMS")
public class Items { public class Item {
@Id @Id
@GeneratedValue(strategy = GenerationType.IDENTITY) @GeneratedValue(strategy = GenerationType.IDENTITY)
@Column(name = "id") @Column(name = "id")
private long id; private long id;
@ManyToOne @ManyToOne
@JoinColumn(name = "cart_id", nullable = false) @JoinColumn(name = "cart_id", nullable = false)
private Cart cart; private Cart cart;
// Hibernate requires no-args constructor // Hibernate requires no-args constructor
public Items() { public Item() {
} }
public Items(Cart c) { public Item(Cart c) {
this.cart = c; this.cart = c;
} }

6
persistence-modules/hibernate-annotations/src/main/java/com/baeldung/hibernate/oneToMany/model/ItemsOIO.java → persistence-modules/hibernate-annotations/src/main/java/com/baeldung/hibernate/oneToMany/model/ItemOIO.java
View File

@ -10,7 +10,7 @@ import javax.persistence.Table;
@Entity @Entity
@Table(name = "ITEMSOIO") @Table(name = "ITEMSOIO")
public class ItemsOIO { public class ItemOIO {
@Id @Id
@GeneratedValue(strategy = GenerationType.IDENTITY) @GeneratedValue(strategy = GenerationType.IDENTITY)
@ -21,10 +21,10 @@ public class ItemsOIO {
private CartOIO cart; private CartOIO cart;
// Hibernate requires no-args constructor // Hibernate requires no-args constructor
public ItemsOIO() { public ItemOIO() {
} }
public ItemsOIO(CartOIO c) { public ItemOIO(CartOIO c) {
this.cart = c; this.cart = c;
} }

18
persistence-modules/hibernate-annotations/src/main/resources/hibernate-annotation.cfg.xml Normal file
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@ -0,0 +1,18 @@
<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<property name="hibernate.connection.driver_class">org.h2.Driver</property>
<property name="hibernate.connection.username">sa</property>
<property name="hibernate.connection.password"/>
<property name="hibernate.connection.url">jdbc:h2:mem:spring_hibernate_one_to_many</property>
<property name="hibernate.dialect">org.hibernate.dialect.H2Dialect</property>
<property name="hibernate.current_session_context_class">thread</property>
<property name="hibernate.show_sql">true</property>
<property name="hbm2ddl.auto">create</property>
</session-factory>
</hibernate-configuration>

31
persistence-modules/hibernate-annotations/src/main/resources/log4j.xml Normal file
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@ -0,0 +1,31 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
<appender name="STDOUT" class="org.apache.log4j.ConsoleAppender">
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="%d %-5p [%t] %C{2} (%F:%L) - %m%n"/>
</layout>
</appender>
<logger name="org.hibernate">
<level value="info" />
</logger>
<logger name="org.hibernate.SQL">
<level value="info" />
</logger>
<logger name="org.hibernate.type.descriptor.sql">
<level value="info" />
</logger>
<logger name="org.hibernate.stat">
<level value="info" />
</logger>
<root>
<priority value ="info" />
<appender-ref ref="STDOUT" />
</root>
</log4j:configuration>

62
persistence-modules/hibernate-annotations/src/test/java/com/baeldung/hibernate/oneToMany/main/HibernateOneToManyAnnotationMainIntegrationTest.java
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@ -1,26 +1,21 @@
package com.baeldung.hibernate.oneToMany.main; package com.baeldung.hibernate.oneToMany.main;
import static org.junit.Assert.assertNotNull; import com.baeldung.hibernate.oneToMany.config.HibernateAnnotationUtil;
import static org.junit.Assert.assertNull; import com.baeldung.hibernate.oneToMany.model.Cart;
import com.baeldung.hibernate.oneToMany.model.Item;
import java.util.HashSet;
import java.util.Set;
import org.hibernate.Session; import org.hibernate.Session;
import org.hibernate.SessionFactory; 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.After;
import org.junit.AfterClass; import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.Before; import org.junit.Before;
import org.junit.BeforeClass; import org.junit.BeforeClass;
import org.junit.Test; import org.junit.Test;
import com.baeldung.hibernate.oneToMany.model.Cart; import java.util.HashSet;
import com.baeldung.hibernate.oneToMany.model.Items; import java.util.Set;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
public class HibernateOneToManyAnnotationMainIntegrationTest { public class HibernateOneToManyAnnotationMainIntegrationTest {
@ -28,20 +23,9 @@ public class HibernateOneToManyAnnotationMainIntegrationTest {
private Session session; private Session session;
public HibernateOneToManyAnnotationMainIntegrationTest() {
}
@BeforeClass @BeforeClass
public static void beforeTests() { public static void beforeTests() {
Configuration configuration = new Configuration().addAnnotatedClass(Cart.class).addAnnotatedClass(Items.class) sessionFactory = HibernateAnnotationUtil.getSessionFactory();
.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 @Before
@ -52,32 +36,38 @@ public class HibernateOneToManyAnnotationMainIntegrationTest {
@Test @Test
public void givenSession_checkIfDatabaseIsEmpty() { public void givenSession_checkIfDatabaseIsEmpty() {
Cart cart = (Cart) session.get(Cart.class, new Long(1)); Cart cart = session.get(Cart.class, 1L);
assertNull(cart); assertNull(cart);
} }
@Test @Test
public void givenSession_checkIfDatabaseIsPopulated_afterCommit() { public void givenSession_checkIfDatabaseIsPopulated_afterCommit() {
Cart cart = new Cart(); Cart cart = new Cart();
Set<Items> cartItems = new HashSet<>(); Set<Item> cartItems = cart.getItems();
cartItems = cart.getItems();
Assert.assertNull(cartItems); assertNull(cartItems);
Items item1 = new Items();
Item item1 = new Item();
item1.setCart(cart); item1.setCart(cart);
assertNotNull(item1); assertNotNull(item1);
Set<Items> itemsSet = new HashSet<Items>();
itemsSet.add(item1); Set<Item> itemSet = new HashSet<>();
assertNotNull(itemsSet); itemSet.add(item1);
cart.setItems(itemsSet);
assertNotNull(itemSet);
cart.setItems(itemSet);
assertNotNull(cart); assertNotNull(cart);
session.persist(cart); session.persist(cart);
session.getTransaction().commit(); session.getTransaction().commit();
session.close(); session.close();
session = sessionFactory.openSession(); session = sessionFactory.openSession();
session.beginTransaction(); session.beginTransaction();
cart = (Cart) session.get(Cart.class, new Long(1)); cart = session.get(Cart.class, 1L);
assertNotNull(cart); assertNotNull(cart);
} }

11
persistence-modules/hibernate-annotations/src/test/resources/log4j.xml
View File

@ -1,24 +1,31 @@
<?xml version="1.0" encoding="UTF-8"?> <?xml version="1.0" encoding="UTF-8"?>
<configuration xmlns:log4j='http://jakarta.apache.org/log4j/'> <!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
<appender name="STDOUT" class="org.apache.log4j.ConsoleAppender"> <appender name="STDOUT" class="org.apache.log4j.ConsoleAppender">
<layout class="org.apache.log4j.PatternLayout"> <layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="%d %-5p [%t] %C{2} (%F:%L) - %m%n"/> <param name="ConversionPattern" value="%d %-5p [%t] %C{2} (%F:%L) - %m%n"/>
</layout> </layout>
</appender> </appender>
<logger name="org.hibernate"> <logger name="org.hibernate">
<level value="info" /> <level value="info" />
</logger> </logger>
<logger name="org.hibernate.SQL"> <logger name="org.hibernate.SQL">
<level value="info" /> <level value="info" />
</logger> </logger>
<logger name="org.hibernate.type.descriptor.sql"> <logger name="org.hibernate.type.descriptor.sql">
<level value="info" /> <level value="info" />
</logger> </logger>
<logger name="org.hibernate.stat"> <logger name="org.hibernate.stat">
<level value="info" /> <level value="info" />
</logger> </logger>
<root> <root>
<priority value ="info" /> <priority value ="info" />
<appender-ref ref="STDOUT" /> <appender-ref ref="STDOUT" />
</root> </root>
</configuration>
</log4j:configuration>

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