MySessionFactory.java

package com.game.repository;

import com.game.entity.Player;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
import org.hibernate.cfg.Environment;

import java.util.Properties;

public class MySessionFactory {
    private static MySessionFactory instance;
    private final SessionFactory sessionFactory;
    public MySessionFactory(){
        Properties properties = new Properties();
        properties.put(Environment.DRIVER, "com.p6spy.engine.spy.P6SpyDriver");
        properties.put(Environment.URL, "jdbc:p6spy:mysql://localhost:3306/rpg");
        properties.put(Environment.DIALECT, "org.hibernate.dialect.MySQL8Dialect");
        properties.put(Environment.USER, "root");
        properties.put(Environment.PASS, "aSd123Rtu");
        properties.put(Environment.HBM2DDL_AUTO, "update");

        sessionFactory = new Configuration()
                .addAnnotatedClass(Player.class)
                .setProperties(properties)
                .buildSessionFactory();
    }

    public static SessionFactory getSessionFactory() {
        if (instance == null) {
            instance = new MySessionFactory();
        }
        return instance.sessionFactory;
    }
}