当我将Hibernate版本从3.6.8更新到4.0.0时，我在这一行中得到了关于已弃用方法buildSessionFactory()的警告:
private static final SessionFactory sessionFactory =
new Configuration().configure().buildSessionFactory();
Javadoc建议使用另一种方法
buildSessionFactory (ServiceRegistry ServiceRegistry)
但在文档中我发现了弃用的变体
当前回答
只需导入以下包，
import org.hibernate.cfg.Configuration;
其他回答
道理很简单:JBoss文档并不是100%维护得很好。按照JavaDoc的说法:buildSessionFactory(ServiceRegistry ServiceRegistry)。
公共无效sampleConnection()抛出异常{
Configuration cfg = new Configuration().addResource("hibernate.cfg.xml").configure();
StandardServiceRegistryBuilder ssrb = new StandardServiceRegistryBuilder().applySettings(configuration.getProperties());
SessionFactory sessionFactory = configuration.buildSessionFactory(ssrb.build());
Session session = sessionFactory.openSession();
logger.debug(" connection with the database created successfuly.");
}
只需导入以下包，
import org.hibernate.cfg.Configuration;
是的，它被弃用了。http://docs.jboss.org/hibernate/core/4.0/javadocs/org/hibernate/cfg/Configuration.html#buildSessionFactory()特别告诉您使用您找到的另一个方法(buildSessionFactory(ServiceRegistry ServiceRegistry))—因此使用它。
文档从一个版本复制到另一个版本，可能只是还没有更新(他们不会在每个版本都重写手册)——所以请相信Javadocs。
有关更改的详情，请参阅以下网址:
源代码:https://github.com/hibernate/hibernate-core/commit/0b10334e403cf2b11ee60725cc5619eaafecc00b 门票:https://hibernate.onjira.com/browse/hhh - 5991
其他参考资料:
http://relation.to/Bloggers/HibernateCore40IsFinal http://relation.to/19942.lace http://docs.jboss.org/hibernate/core/4.0/devguide/en-US/html/ch07.html#services-registry http://sourceforge.net/apps/mediawiki/hibernate/index.php?title=Category:Services
如果你正在使用Hibernate 5.2及以上版本，那么你可以使用这个:
private static StandardServiceRegistry registry;
private static SessionFactory sessionFactory;
public static SessionFactory getSessionFactory() {
if (sessionFactory == null) {
try {
// Creating a registry
registry = new StandardServiceRegistryBuilder().configure("hibernate.cfg.xml").build();
// Create the MetadataSources
MetadataSources sources = new MetadataSources(registry);
// Create the Metadata
Metadata metadata = sources.getMetadataBuilder().build();
// Create SessionFactory
sessionFactory = metadata.getSessionFactoryBuilder().build();
} catch (Exception e) {
e.printStackTrace();
if (registry != null) {
StandardServiceRegistryBuilder.destroy(registry);
}
}
}
return sessionFactory;
}
//To shut down
public static void shutdown() {
if (registry != null) {
StandardServiceRegistryBuilder.destroy(registry);
}
}
