[JAVA-11332] Upgrade H2 version and fix tests (#12056)

* [JAVA-11332] Upgrade H2 version and fix tests

* [JAVA-11332] Revert formatting changes

* [JAVA-11332] Remove config files and code clean up

persistence-modules/hibernate-annotations/pom.xml

@@ -85,7 +85,7 @@
         <hibernate-core.version>5.6.7.Final</hibernate-core.version>
         <maven.deploy.skip>true</maven.deploy.skip>
         <spring-boot.version>2.1.7.RELEASE</spring-boot.version>
-        <h2.version>1.4.200</h2.version>
+        <h2.version>2.1.212</h2.version>
         <tomcat-dbcp.version>9.0.0.M26</tomcat-dbcp.version>
         <hsqldb.version>2.3.4</hsqldb.version>
     </properties>

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

@@ -1,10 +1,5 @@
 package com.baeldung.hibernate;
 
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.net.URL;
-import java.util.Properties;
-
 import org.apache.commons.lang3.StringUtils;
 import org.hibernate.SessionFactory;
 import org.hibernate.boot.Metadata;
@@ -12,62 +7,58 @@ import org.hibernate.boot.MetadataSources;
 import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
 import org.hibernate.service.ServiceRegistry;
 
-import com.baeldung.hibernate.joincolumn.Email;
+import java.io.FileInputStream;
-import com.baeldung.hibernate.joincolumn.Office;
+import java.io.IOException;
-import com.baeldung.hibernate.joincolumn.OfficeAddress;
+import java.net.URL;
+import java.util.List;
+import java.util.Properties;
+
+import static java.util.Objects.requireNonNull;
 
 public class HibernateUtil {
-    private static String PROPERTY_FILE_NAME;
 
-    public static SessionFactory getSessionFactory() throws IOException {
+    public static SessionFactory getSessionFactory(String propertyFileName, List<Class<?>> classes) throws IOException {
-        return getSessionFactory(null);
+        ServiceRegistry serviceRegistry = configureServiceRegistry(propertyFileName);
+        return makeSessionFactory(serviceRegistry, classes);
     }
 
-    public static SessionFactory getSessionFactory(String propertyFileName) throws IOException {
+    private static SessionFactory makeSessionFactory(ServiceRegistry serviceRegistry, List<Class<?>> classes) {
-        PROPERTY_FILE_NAME = propertyFileName;
-        ServiceRegistry serviceRegistry = configureServiceRegistry();
-        return makeSessionFactory(serviceRegistry);
-    }
-
-    public static SessionFactory getSessionFactoryByProperties(Properties properties) throws IOException {
-        ServiceRegistry serviceRegistry = configureServiceRegistry(properties);
-        return makeSessionFactory(serviceRegistry);
-    }
-
-    private static SessionFactory makeSessionFactory(ServiceRegistry serviceRegistry) {
         MetadataSources metadataSources = new MetadataSources(serviceRegistry);
-
+        for (Class<?> clazz: classes) {
-        metadataSources.addPackage("com.baeldung.hibernate.pojo");
+            metadataSources = metadataSources.addAnnotatedClass(clazz);
-        metadataSources.addAnnotatedClass(com.baeldung.hibernate.joincolumn.OfficialEmployee.class);
-        metadataSources.addAnnotatedClass(Email.class);
-        metadataSources.addAnnotatedClass(Office.class);
-        metadataSources.addAnnotatedClass(OfficeAddress.class);
-
-        Metadata metadata = metadataSources.getMetadataBuilder()
-                .build();
-
-        return metadata.getSessionFactoryBuilder()
-                .build();
-
         }
 
-    private static ServiceRegistry configureServiceRegistry() throws IOException {
+        Metadata metadata = metadataSources
-        return configureServiceRegistry(getProperties());
+          .getMetadataBuilder()
+          .build();
+
+        return metadata.getSessionFactoryBuilder().build();
     }
 
-    private static ServiceRegistry configureServiceRegistry(Properties properties) throws IOException {
+    private static ServiceRegistry configureServiceRegistry(String propertyFileName) throws IOException {
+        return configureServiceRegistry(getProperties(propertyFileName));
+    }
+
+    private static ServiceRegistry configureServiceRegistry(Properties properties) {
         return new StandardServiceRegistryBuilder().applySettings(properties)
                 .build();
     }
 
-    public static Properties getProperties() throws IOException {
+    public static Properties getProperties(String propertyFileName) throws IOException {
         Properties properties = new Properties();
-        URL propertiesURL = Thread.currentThread()
+
-          .getContextClassLoader()
+        String file = getResourceURL(propertyFileName).getFile();
-          .getResource(StringUtils.defaultString(PROPERTY_FILE_NAME, "hibernate.properties"));
+
-        try (FileInputStream inputStream = new FileInputStream(propertiesURL.getFile())) {
+        try (FileInputStream inputStream = new FileInputStream(file)) {
             properties.load(inputStream);
         }
+
         return properties;
     }
+
+    private static URL getResourceURL(String propertyFileName) {
+        return requireNonNull(Thread.currentThread()
+          .getContextClassLoader()
+          .getResource(StringUtils.defaultString(propertyFileName, "hibernate.properties")));
+    }
 }

persistence-modules/hibernate-annotations/src/main/java/com/baeldung/hibernate/customtypes/OfficeEmployee.java

@@ -1,6 +1,5 @@
 package com.baeldung.hibernate.customtypes;
 
-import com.baeldung.hibernate.pojo.Phone;
 import org.hibernate.annotations.Columns;
 import org.hibernate.annotations.Parameter;
 import org.hibernate.annotations.Type;

persistence-modules/hibernate-annotations/src/main/java/com/baeldung/hibernate/oneToMany/config/HibernateAnnotationUtil.java

@@ -7,29 +7,30 @@ import com.baeldung.hibernate.oneToMany.model.ItemOIO;
 import org.hibernate.SessionFactory;
 import org.hibernate.boot.Metadata;
 import org.hibernate.boot.MetadataSources;
-import org.hibernate.boot.model.naming.ImplicitNamingStrategyJpaCompliantImpl;
 import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
+import org.hibernate.cfg.Environment;
 import org.hibernate.service.ServiceRegistry;
-import org.slf4j.Logger;
+
-import org.slf4j.LoggerFactory;
+import java.util.HashMap;
+import java.util.Map;
 
 public class HibernateAnnotationUtil {
 
-    private static final Logger LOGGER = LoggerFactory.getLogger(HibernateAnnotationUtil.class);
+    private static final SessionFactory SESSION_FACTORY = buildSessionFactory();
 
-    private static SessionFactory sessionFactory;
+    /**
+     * Utility class
+     */
+    private HibernateAnnotationUtil() {
+    }
 
     public static SessionFactory getSessionFactory() {
-        if (sessionFactory == null) {
+        return SESSION_FACTORY;
-            sessionFactory = buildSessionFactory();
-        }
-        return sessionFactory;
     }
 
     private static SessionFactory buildSessionFactory() {
-        try {
         ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder()
-              .configure("hibernate-annotation.cfg.xml")
+          .applySettings(dbSettings())
           .build();
 
         Metadata metadata = new MetadataSources(serviceRegistry)
@@ -37,15 +38,20 @@ public class HibernateAnnotationUtil {
           .addAnnotatedClass(CartOIO.class)
           .addAnnotatedClass(Item.class)
           .addAnnotatedClass(ItemOIO.class)
-              .getMetadataBuilder()
+          .buildMetadata();
-              .applyImplicitNamingStrategy(ImplicitNamingStrategyJpaCompliantImpl.INSTANCE)
-              .build();
 
-            return metadata.getSessionFactoryBuilder().build();
+        return metadata.buildSessionFactory();
+    }
 
-        } catch (Throwable ex) {
+    private static Map<String, String> dbSettings() {
-            LOGGER.error("Initial SessionFactory creation failed.", ex);
+        Map<String, String> dbSettings = new HashMap<>();
-            throw new ExceptionInInitializerError(ex);
+        dbSettings.put(Environment.URL, "jdbc:h2:mem:spring_hibernate_one_to_many");
-        }
+        dbSettings.put(Environment.USER, "sa");
+        dbSettings.put(Environment.PASS, "");
+        dbSettings.put(Environment.DRIVER, "org.h2.Driver");
+        dbSettings.put(Environment.CURRENT_SESSION_CONTEXT_CLASS, "thread");
+        dbSettings.put(Environment.SHOW_SQL, "true");
+        dbSettings.put(Environment.HBM2DDL_AUTO, "create");
+        return dbSettings;
     }
 }

persistence-modules/hibernate-annotations/src/main/java/com/baeldung/hibernate/wherejointable/User.java

@@ -12,7 +12,7 @@ import javax.persistence.ManyToMany;
 
 import org.hibernate.annotations.WhereJoinTable;
 
-@Entity
+@Entity(name = "users")
 public class User {
 
     @Id

persistence-modules/hibernate-annotations/src/main/resources/hibernate-annotation.cfg.xml

@@ -1,18 +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>
-        <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>

persistence-modules/hibernate-annotations/src/test/java/com/baeldung/hibernate/customtypes/HibernateCustomTypesIntegrationTest.java

@@ -1,20 +1,27 @@
 package com.baeldung.hibernate.customtypes;
 
-import com.baeldung.hibernate.HibernateUtil;
 import org.hibernate.SessionFactory;
-import org.hibernate.query.Query;
+import org.hibernate.boot.Metadata;
+import org.hibernate.boot.MetadataSources;
+import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
+import org.hibernate.cfg.Environment;
+import org.hibernate.service.ServiceRegistry;
 import org.junit.Assert;
 import org.junit.Test;
 
-import java.io.IOException;
+import javax.persistence.TypedQuery;
 import java.time.LocalDate;
+import java.util.HashMap;
+import java.util.Map;
 
 import static org.hibernate.testing.transaction.TransactionUtil.doInHibernate;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
 
-public class HibernateCustomTypesManualTest {
+public class HibernateCustomTypesIntegrationTest {
 
     @Test
-    public void givenEmployee_whenSavedWithCustomTypes_thenEntityIsSaved() throws IOException {
+    public void givenEmployee_whenSavedWithCustomTypes_thenEntityIsSaved() {
 
         final OfficeEmployee e = new OfficeEmployee();
         e.setDateOfJoining(LocalDate.now());
@@ -39,13 +46,13 @@ public class HibernateCustomTypesManualTest {
         doInHibernate(this::sessionFactory, session -> {
             session.save(e);
             boolean contains = session.contains(e);
-            Assert.assertTrue(contains);
+            assertTrue(contains);
         });
 
     }
 
     @Test
-    public void givenEmployee_whenCustomTypeInQuery_thenReturnEntity() throws IOException {
+    public void givenEmployee_whenCustomTypeInQuery_thenReturnEntity() {
 
         final OfficeEmployee e = new OfficeEmployee();
         e.setDateOfJoining(LocalDate.now());
@@ -69,22 +76,39 @@ public class HibernateCustomTypesManualTest {
         doInHibernate(this::sessionFactory, session -> {
             session.save(e);
 
-            Query query = session.createQuery("FROM OfficeEmployee OE WHERE OE.empAddress.zipcode = :pinCode");
+            TypedQuery<OfficeEmployee> query = session.createQuery("FROM OfficeEmployee OE WHERE OE.empAddress.zipcode = :pinCode", OfficeEmployee.class);
             query.setParameter("pinCode",100);
-            int size = query.list().size();
+            int size = query.getResultList().size();
 
-            Assert.assertEquals(1, size);
+            assertEquals(1, size);
         });
 
     }
 
     private SessionFactory sessionFactory() {
-        try {
+        ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder()
-            return HibernateUtil.getSessionFactory("hibernate-customtypes.properties");
+          .applySettings(getProperties())
-        } catch (IOException e) {
+          .build();
-            e.printStackTrace();
+
+        MetadataSources metadataSources = new MetadataSources(serviceRegistry);
+        Metadata metadata = metadataSources
+          .addAnnotatedClass(OfficeEmployee.class)
+          .getMetadataBuilder()
+          .applyBasicType(LocalDateStringType.INSTANCE)
+          .build();
+
+        return metadata.buildSessionFactory();
     }
 
-        return null;
+    private static Map<String, String> getProperties() {
+        Map<String, String> dbSettings = new HashMap<>();
+        dbSettings.put(Environment.URL, "jdbc:h2:mem:mydb1;DB_CLOSE_DELAY=-1");
+        dbSettings.put(Environment.USER, "sa");
+        dbSettings.put(Environment.PASS, "");
+        dbSettings.put(Environment.DRIVER, "org.h2.Driver");
+        dbSettings.put(Environment.CURRENT_SESSION_CONTEXT_CLASS, "thread");
+        dbSettings.put(Environment.SHOW_SQL, "true");
+        dbSettings.put(Environment.HBM2DDL_AUTO, "create");
+        return dbSettings;
     }
 }

persistence-modules/hibernate-annotations/src/test/java/com/baeldung/hibernate/joincolumn/JoinColumnIntegrationTest.java

@@ -1,14 +1,21 @@
 package com.baeldung.hibernate.joincolumn;
 
-import com.baeldung.hibernate.HibernateUtil;
+import com.baeldung.hibernate.customtypes.LocalDateStringType;
-import java.io.IOException;
 import org.hibernate.Session;
+import org.hibernate.SessionFactory;
 import org.hibernate.Transaction;
-
+import org.hibernate.boot.Metadata;
+import org.hibernate.boot.MetadataSources;
+import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
+import org.hibernate.cfg.Configuration;
+import org.hibernate.cfg.Environment;
+import org.hibernate.service.ServiceRegistry;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 
+import java.util.HashMap;
+import java.util.Map;
 
 public class JoinColumnIntegrationTest {
 
@@ -16,9 +23,8 @@ public class JoinColumnIntegrationTest {
     private Transaction transaction;
 
     @Before
-    public void setUp() throws IOException {
+    public void setUp() {
-        session = HibernateUtil.getSessionFactory("hibernate-spatial.properties")
+        session = sessionFactory().openSession();
-                .openSession();
         transaction = session.beginTransaction();
     }
 
@@ -54,4 +60,34 @@ public class JoinColumnIntegrationTest {
         session.clear();
     }
 
+    private SessionFactory sessionFactory() {
+        ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder()
+          .applySettings(getProperties())
+          .build();
+
+        MetadataSources metadataSources = new MetadataSources(serviceRegistry);
+        Metadata metadata = metadataSources
+          .addAnnotatedClass(Email.class)
+          .addAnnotatedClass(Office.class)
+          .addAnnotatedClass(OfficeAddress.class)
+          .addAnnotatedClass(OfficialEmployee.class)
+          .getMetadataBuilder()
+          .applyBasicType(LocalDateStringType.INSTANCE)
+          .build();
+
+        return metadata.buildSessionFactory();
+    }
+
+    private static Map<String, String> getProperties() {
+        Map<String, String> dbSettings = new HashMap<>();
+        dbSettings.put(Environment.URL, "jdbc:h2:mem:mydbJoinColumn;DB_CLOSE_DELAY=-1");
+        dbSettings.put(Environment.USER, "sa");
+        dbSettings.put(Environment.PASS, "");
+        dbSettings.put(Environment.DRIVER, "org.h2.Driver");
+        dbSettings.put(Environment.CURRENT_SESSION_CONTEXT_CLASS, "thread");
+        dbSettings.put(Environment.SHOW_SQL, "true");
+        dbSettings.put(Environment.HBM2DDL_AUTO, "create");
+        return dbSettings;
+    }
+
 }

persistence-modules/hibernate-annotations/src/test/resources/hibernate-spatial.properties

@@ -1,14 +0,0 @@
-hibernate.connection.driver_class=org.h2.Driver
-hibernate.connection.url=jdbc:h2:mem:mydb1;DB_CLOSE_DELAY=-1
-hibernate.connection.username=sa
-hibernate.connection.autocommit=true
-jdbc.password=
-
-hibernate.dialect=org.hibernate.spatial.dialect.h2geodb.GeoDBDialect
-hibernate.show_sql=true
-hibernate.hbm2ddl.auto=create-drop
-
-hibernate.c3p0.min_size=5
-hibernate.c3p0.max_size=20
-hibernate.c3p0.acquire_increment=5
-hibernate.c3p0.timeout=1800