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

2022-03-26 14:52:38 +05:30
parent 4a887226a1
commit e57b05c025
11 changed files with 153 additions and 2 deletions
@@ -0,0 +1,69 @@
+package com.baeldung.hibernate.immutable;
+
+import com.google.common.base.Preconditions;
+import org.apache.tomcat.dbcp.dbcp2.BasicDataSource;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.PropertySource;
+import org.springframework.core.env.Environment;
+import org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor;
+import org.springframework.orm.hibernate5.HibernateTransactionManager;
+import org.springframework.orm.hibernate5.LocalSessionFactoryBean;
+import org.springframework.transaction.PlatformTransactionManager;
+import org.springframework.transaction.annotation.EnableTransactionManagement;
+
+import javax.sql.DataSource;
+import java.util.Properties;
+
+@Configuration
+@EnableTransactionManagement
+@PropertySource({ "classpath:persistence-h2.properties" })
+@ComponentScan({ "com.baeldung.hibernate.immutable"})
+public class PersistenceConfig {
+
+    @Autowired
+    private Environment env;
+
+    @Bean
+    public LocalSessionFactoryBean sessionFactory() {
+        final LocalSessionFactoryBean sessionFactory = new LocalSessionFactoryBean();
+        sessionFactory.setDataSource(dataSource());
+        sessionFactory.setPackagesToScan(new String[] { "com.baeldung.hibernate.immutable" });
+        sessionFactory.setHibernateProperties(hibernateProperties());
+        return sessionFactory;
+    }
+
+    @Bean
+    public DataSource dataSource() {
+        final BasicDataSource dataSource = new BasicDataSource();
+        dataSource.setDriverClassName(Preconditions.checkNotNull(env.getProperty("jdbc.driverClassName")));
+        dataSource.setUrl(Preconditions.checkNotNull(env.getProperty("jdbc.url")));
+        dataSource.setUsername(Preconditions.checkNotNull(env.getProperty("jdbc.user")));
+        dataSource.setPassword(Preconditions.checkNotNull(env.getProperty("jdbc.pass")));
+
+        return dataSource;
+    }
+
+    @Bean
+    public PlatformTransactionManager hibernateTransactionManager() {
+        final HibernateTransactionManager transactionManager = new HibernateTransactionManager();
+        transactionManager.setSessionFactory(sessionFactory().getObject());
+        return transactionManager;
+    }
+
+    @Bean
+    public PersistenceExceptionTranslationPostProcessor exceptionTranslation() {
+        return new PersistenceExceptionTranslationPostProcessor();
+    }
+
+    private final Properties hibernateProperties() {
+        final Properties hibernateProperties = new Properties();
+        hibernateProperties.setProperty("hibernate.hbm2ddl.auto", env.getProperty("hibernate.hbm2ddl.auto"));
+        hibernateProperties.setProperty("hibernate.dialect", env.getProperty("hibernate.dialect"));
+        hibernateProperties.setProperty("hibernate.show_sql", "false");
+        return hibernateProperties;
+    }
+
+}
@@ -0,0 +1,58 @@
+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;
+    }
+}
@@ -0,0 +1,55 @@
+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;
+    }
+}
@@ -0,0 +1,35 @@
+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;
+    }
+}
@@ -0,0 +1,32 @@
+<?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>
@@ -0,0 +1,15 @@
+# jdbc.X
+jdbc.driverClassName=org.h2.Driver
+jdbc.url=jdbc:h2:mem:db;DB_CLOSE_DELAY=-1
+jdbc.eventGeneratedId=sa
+jdbc.user=sa
+jdbc.pass=
+
+# hibernate.X
+hibernate.dialect=org.hibernate.dialect.H2Dialect
+hibernate.show_sql=false
+hibernate.hbm2ddl.auto=create-drop
+hibernate.cache.use_second_level_cache=true
+hibernate.cache.use_query_cache=true
+hibernate.cache.region.factory_class=org.hibernate.cache.ehcache.EhCacheRegionFactory
+