package com.example.demo;

import com.example.demo.models.Manufacture;
import com.example.demo.models.Phone;
import org.hibernate.HibernateException;
import org.hibernate.SessionFactory;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.cfg.Configuration;

public class HibernateSessionFactoryUtil {
    private static SessionFactory sessionFactory;

    private HibernateSessionFactoryUtil() {}

    public static SessionFactory getSessionFactory() {
        if (sessionFactory == null) {
            try {
                Configuration configuration =new Configuration().configure();

                configuration.addAnnotatedClass(Phone.class);
                configuration.addAnnotatedClass(Manufacture.class);
                StandardServiceRegistryBuilder builder = new StandardServiceRegistryBuilder().applySettings(configuration.getProperties());
                sessionFactory = configuration.buildSessionFactory(builder.build());

            } catch (HibernateException e) {
                e.printStackTrace();
            }
        }

        return sessionFactory;
    }
}