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import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.AnnotationConfiguration;
 
public class HibernateUtil {
 
  private static final SessionFactory sessionFactory = buildSessionFactory();
 
  private static SessionFactory buildSessionFactory() {
    try {
      // Create the SessionFactory from hibernate.cfg.xml
      return new AnnotationConfiguration().configure()
          .buildSessionFactory();
    } catch (Throwable ex) {
      // Make sure you log the exception, as it might be swallowed
      System.err.println("Initial SessionFactory creation failed." + ex);
      throw new ExceptionInInitializerError(ex);
    }
  }
 
  public static SessionFactory getSessionFactory() {
    return sessionFactory;
  }
}