BAEL-2394 JPA One-to-One Relationship (#5847)

persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/onetoone/HibernateUtil.java

@@ -0,0 +1,66 @@
+package com.baeldung.hibernate.onetoone;
+
+import com.baeldung.hibernate.customtypes.LocalDateStringType;
+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;
+
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.net.URL;
+import java.util.Properties;
+
+public class HibernateUtil {
+    private static SessionFactory sessionFactory;
+
+    private HibernateUtil() {
+    }
+
+    public static SessionFactory getSessionFactory(Strategy strategy) {
+        if (sessionFactory == null) {
+            sessionFactory = buildSessionFactory(strategy);
+        }
+        return sessionFactory;
+    }
+
+    private static SessionFactory buildSessionFactory(Strategy strategy) {
+        try {
+            ServiceRegistry serviceRegistry = configureServiceRegistry();
+
+            MetadataSources metadataSources = new MetadataSources(serviceRegistry);
+
+            for (Class<?> entityClass : strategy.getEntityClasses()) {
+                metadataSources.addAnnotatedClass(entityClass);
+            }
+
+            Metadata metadata = metadataSources.getMetadataBuilder()
+                    .applyBasicType(LocalDateStringType.INSTANCE)
+                    .build();
+
+            return metadata.getSessionFactoryBuilder()
+                    .build();
+        } catch (IOException ex) {
+            throw new ExceptionInInitializerError(ex);
+        }
+    }
+
+
+    private static ServiceRegistry configureServiceRegistry() throws IOException {
+        Properties properties = getProperties();
+        return new StandardServiceRegistryBuilder().applySettings(properties)
+                .build();
+    }
+
+    private static Properties getProperties() throws IOException {
+        Properties properties = new Properties();
+        URL propertiesURL = Thread.currentThread()
+                .getContextClassLoader()
+                .getResource("hibernate.properties");
+        try (FileInputStream inputStream = new FileInputStream(propertiesURL.getFile())) {
+            properties.load(inputStream);
+        }
+        return properties;
+    }
+}

persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/onetoone/foreignkeybased/User.java

@@ -22,7 +22,7 @@ public class User {
     private String userName;
 
     @OneToOne(cascade = CascadeType.ALL)
-     @JoinColumn(name = "address_id", referencedColumnName = "id")
+    @JoinColumn(name = "address_id", referencedColumnName = "id")
     private Address address;
 
     public Long getId() {

persistence-modules/spring-hibernate-5/src/main/java/com/baeldung/hibernate/onetoone/HibernateUtil.java

@@ -1,38 +0,0 @@
-package com.baeldung.hibernate.onetoone;
-
-import org.hibernate.SessionFactory;
-import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
-import org.hibernate.cfg.Configuration;
-import org.hibernate.service.ServiceRegistry;
-
-public class HibernateUtil {
-    private static SessionFactory sessionFactory;
-
-    private static SessionFactory buildSessionFactory(Strategy strategy) {
-        try {
-            // Create the SessionFactory from hibernate-annotation.cfg.xml
-            Configuration configuration = new Configuration();
-
-            for (Class<?> entityClass : strategy.getEntityClasses()) {
-                configuration.addAnnotatedClass(entityClass);
-            }
-            configuration.configure("one-to-one.cfg.xml");
-
-            ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder().applySettings(configuration.getProperties())
-                    .build();
-
-            SessionFactory sessionFactory = configuration.buildSessionFactory(serviceRegistry);
-
-            return sessionFactory;
-        } catch (Throwable ex) {
-            ex.printStackTrace();
-            throw new ExceptionInInitializerError(ex);
-        }
-    }
-
-    public static SessionFactory getSessionFactory(Strategy strategy) {
-        if (sessionFactory == null)
-            sessionFactory = buildSessionFactory(strategy);
-        return sessionFactory;
-    }
-}

persistence-modules/spring-hibernate-5/src/main/resources/one-to-one.cfg.xml

@@ -1,16 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE hibernate-configuration PUBLIC
-        "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
-        "http://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.password"></property>
-        <property name="hibernate.connection.url">jdbc:h2:mem:spring_hibernate_one_to_one</property>
-        <property name="hibernate.connection.username">sa</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="hibernate.hbm2ddl.auto">create-drop</property>
-    </session-factory>
-</hibernate-configuration>

persistence-modules/spring-hibernate-5/src/test/resources/one-to-one.cfg.xml

@@ -1,16 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE hibernate-configuration PUBLIC
-		"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
-		"http://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.password"></property>
-        <property name="hibernate.connection.url">jdbc:h2:mem:spring_hibernate_one_to_one</property>
-        <property name="hibernate.connection.username">sa</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="hibernate.hbm2ddl.auto">create-drop</property>
-    </session-factory>
-</hibernate-configuration>