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JAVA-10082 Create new module hibernate-annotations-2 from spring-hibernate-5 module

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This commit is contained in:
anuragkumawat
2022-03-26 14:52:38 +05:30
parent 8b16e86533
commit 87025ed529
11 changed files with 153 additions and 2 deletions
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1
persistence-modules/spring-hibernate-5/README.md
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@@ -10,5 +10,4 @@ This module contains articles about Hibernate 5 with Spring.
- [Hibernate Second-Level Cache](http://www.baeldung.com/hibernate-second-level-cache)
- [Deleting Objects with Hibernate](http://www.baeldung.com/delete-with-hibernate)
- [Spring, Hibernate and a JNDI Datasource](http://www.baeldung.com/spring-persistence-jpa-jndi-datasource)
- [@Immutable in Hibernate](http://www.baeldung.com/hibernate-immutable)
- [Bootstrapping Hibernate 5 with Spring](https://www.baeldung.com/hibernate-5-spring)

58
persistence-modules/spring-hibernate-5/src/main/java/com/baeldung/hibernate/immutable/entities/Event.java
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@@ -1,58 +0,0 @@
package com.baeldung.hibernate.immutable.entities;
import org.hibernate.annotations.Cascade;
import org.hibernate.annotations.CascadeType;
import org.hibernate.annotations.Immutable;
import javax.persistence.*;
import java.util.Set;
@Entity
@Immutable
@Table(name = "events")
public class Event {
@Id
@Column(name = "event_id")
private Long id;
@Column(name = "title")
private String title;
@ElementCollection
@Immutable
private Set<String> guestList;
public Event() {}
public Event(Long id, String title, Set<String> guestList) {
this.id = id;
this.title = title;
this.guestList = guestList;
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
@Cascade({ CascadeType.SAVE_UPDATE, CascadeType.DELETE })
public Set<String> getGuestList() {
return guestList;
}
public void setGuestList(Set<String> guestList) {
this.guestList = guestList;
}
}

55
persistence-modules/spring-hibernate-5/src/main/java/com/baeldung/hibernate/immutable/entities/EventGeneratedId.java
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@@ -1,55 +0,0 @@
package com.baeldung.hibernate.immutable.entities;
import org.hibernate.annotations.GenericGenerator;
import org.hibernate.annotations.Immutable;
import javax.persistence.*;
@Entity
@Immutable
@Table(name = "events_generated")
public class EventGeneratedId {
@Id
@Column(name = "event_generated_id")
@GeneratedValue(generator = "increment")
@GenericGenerator(name = "increment", strategy = "increment")
private Long id;
@Column(name = "name")
private String name;
@Column(name = "description")
private String description;
public EventGeneratedId() {
}
public EventGeneratedId(String name, String description) {
this.name = name;
this.description = description;
}
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 String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
}

35
persistence-modules/spring-hibernate-5/src/main/java/com/baeldung/hibernate/immutable/util/HibernateUtil.java
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@@ -1,35 +0,0 @@
package com.baeldung.hibernate.immutable.util;
import com.baeldung.hibernate.immutable.entities.Event;
import com.baeldung.hibernate.immutable.entities.EventGeneratedId;
import org.hibernate.SessionFactory;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.cfg.Configuration;
import org.hibernate.service.ServiceRegistry;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class HibernateUtil {
private static final Logger LOGGER = LoggerFactory.getLogger(HibernateUtil.class);
private static final SessionFactory sessionFactory = buildSessionFactory();
private static SessionFactory buildSessionFactory() {
try {
// Create a session factory from immutable.cfg.xml
Configuration configuration = new Configuration();
configuration.addAnnotatedClass(Event.class);
configuration.addAnnotatedClass(EventGeneratedId.class);
configuration.configure("immutable.cfg.xml");
ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder().applySettings(configuration.getProperties()).build();
return configuration.buildSessionFactory(serviceRegistry);
} catch (Throwable ex) {
LOGGER.debug("Initial SessionFactory creation failed.", ex);
throw new ExceptionInInitializerError(ex);
}
}
public static SessionFactory getSessionFactory() {
return sessionFactory;
}
}

32
persistence-modules/spring-hibernate-5/src/main/resources/immutable.cfg.xml
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@@ -1,32 +0,0 @@
<?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>
<!-- Database connection settings -->
<property name="connection.driver_class">org.hsqldb.jdbcDriver</property>
<property name="connection.url">jdbc:hsqldb:mem:test</property>
<property name="connection.username">sa</property>
<property name="connection.password"></property>
<!-- JDBC connection pool (use the built-in) -->
<property name="connection.pool_size">1</property>
<!-- SQL dialect -->
<property name="dialect">org.hibernate.dialect.HSQLDialect</property>
<!-- Enable Hibernate's automatic session context management -->
<property name="current_session_context_class">thread</property>
<!-- Echo all executed SQL to stdout -->
<property name="show_sql">false</property>
<!-- Drop and re-create the database schema on startup -->
<property name="hbm2ddl.auto">update</property>
</session-factory>
</hibernate-configuration>

124
persistence-modules/spring-hibernate-5/src/test/java/com/baeldung/hibernate/immutable/HibernateImmutableIntegrationTest.java
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@@ -1,124 +0,0 @@
package com.baeldung.hibernate.immutable;
import com.baeldung.hibernate.immutable.entities.Event;
import com.baeldung.hibernate.immutable.entities.EventGeneratedId;
import com.baeldung.hibernate.immutable.util.HibernateUtil;
import com.google.common.collect.Sets;
import org.hibernate.Session;
import org.junit.*;
import org.junit.rules.ExpectedException;
import javax.persistence.PersistenceException;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.core.IsEqual.equalTo;
/**
* Configured in: immutable.cfg.xml
*/
public class HibernateImmutableIntegrationTest {
private static Session session;
@Rule
public final ExpectedException exception = ExpectedException.none();
@Before
public void before() {
session = HibernateUtil.getSessionFactory().openSession();
session.beginTransaction();
}
@BeforeClass
public static void setup() {
session = HibernateUtil.getSessionFactory().getCurrentSession();
}
@AfterClass
public static void teardown() {
HibernateUtil.getSessionFactory().close();
}
@Test
public void addEvent() {
Event event = new Event();
event.setId(2L);
event.setTitle("Public Event");
session.save(event);
session.getTransaction().commit();
session.close();
}
@Test
public void updateEvent() {
createEvent();
Event event = (Event) session.createQuery("FROM Event WHERE title='New Event'").list().get(0);
event.setTitle("Private Event");
session.update(event);
session.flush();
session.refresh(event);
session.close();
assertThat(event.getTitle(), equalTo("New Event"));
assertThat(event.getId(), equalTo(5L));
}
@Test
public void deleteEvent() {
createEvent();
Event event = (Event) session.createQuery("FROM Event WHERE title='New Event'").list().get(0);
session.delete(event);
session.getTransaction().commit();
session.close();
}
@Test
public void addGuest() {
createEvent();
Event event = (Event) session.createQuery("FROM Event WHERE title='New Event'").list().get(0);
String newGuest = "Sara";
event.getGuestList().add(newGuest);
exception.expect(PersistenceException.class);
session.save(event);
session.getTransaction().commit();
session.close();
}
@Test
public void deleteCascade() {
Event event = (Event) session.createQuery("FROM Event WHERE title='New Event'").list().get(0);
String guest = event.getGuestList().iterator().next();
event.getGuestList().remove(guest);
exception.expect(PersistenceException.class);
session.saveOrUpdate(event);
session.getTransaction().commit();
}
@Test
public void updateEventGenerated() {
createEventGenerated();
EventGeneratedId eventGeneratedId = (EventGeneratedId) session.createQuery("FROM EventGeneratedId WHERE name LIKE '%John%'").list().get(0);
eventGeneratedId.setName("Mike");
session.update(eventGeneratedId);
session.flush();
session.refresh(eventGeneratedId);
session.close();
assertThat(eventGeneratedId.getName(), equalTo("John"));
assertThat(eventGeneratedId.getId(), equalTo(1L));
}
private static void createEvent() {
Event event = new Event(5L, "New Event", Sets.newHashSet("guest"));
session.save(event);
}
private static void createEventGenerated() {
EventGeneratedId eventGeneratedId = new EventGeneratedId("John", "Doe");
session.save(eventGeneratedId);
}
}