public class Sessions implements QueriesInterface{

   private static SessionFactory sessionFactory;
   private static Configuration configuration = new Configuration();

   static {
      try {
         String userName = GuigenserviceImpl.userName;
         String password = GuigenserviceImpl.password;
         String hostName = GuigenserviceImpl.hostName;
         String portNo = GuigenserviceImpl.portNo;
         String sId = GuigenserviceImpl.sId;

         // Create the SessionFactory from hibernate.cfg.xml
         configuration
               .setProperty("hibernate.connection.username", userName);
         configuration
               .setProperty("hibernate.connection.password", password);
         configuration.setProperty("hibernate.connection.url",
               connection_url + hostName + ":" + portNo + ":" + sId);
         configuration.configure("/hibernate.cfg.xml");

         sessionFactory = configuration.buildSessionFactory();
         sessionFactory.openSession();
         GuigenserviceImpl.strAccpted = "true";
      } catch (Throwable ex) {
         // Make sure you log the exception, as it might be swallowed
         GuigenserviceImpl.strAccpted = "false";
         ex.printStackTrace();
         configuration = null;
         sessionFactory = null;
         throw new ExceptionInInitializerError(ex);
      }
   }

   /**
    * The session factory is created at class load time and is * provided here.
    */

   public static SessionFactory getSessionFactory() {
      return sessionFactory;
   }