com.vpontes.airtickets.dao.utils.HibernateUtil.java Source code

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Here is the source code for com.vpontes.airtickets.dao.utils.HibernateUtil.java

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package com.vpontes.airtickets.dao.utils;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.boot.MetadataSources;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.cfg.Configuration;

/**
 * Hibernate Utility class with a convenient method to get Session Factory
 * object.
 *
 * @author vyniciuspontes
 */
public class HibernateUtil {

    private static final SessionFactory sessionFactory = buildSessionFactory();

    private static SessionFactory buildSessionFactory() {
        try {
            // Create the SessionFactory from standard (hibernate.cfg.xml) 
            // config file.
            //return new Configuration().configure().buildSessionFactory();
            Configuration configuration = new Configuration().configure();
            StandardServiceRegistryBuilder builder = new StandardServiceRegistryBuilder()
                    .configure("hibernate.cfg.xml");
            SessionFactory factory = configuration.buildSessionFactory(builder.build());

            /*return new MetadataSources(
            new StandardServiceRegistryBuilder()
            .configure("hibernate.cfg.xml").build()
            ).buildMetadata().buildSessionFactory();*/

            return factory;
        } catch (Throwable ex) {
            // Log the exception. 
            System.err.println("Initial SessionFactory creation failed." + ex);
            throw new ExceptionInInitializerError(ex);
        }
    }

    public static void close() {

        sessionFactory.close();
    }

    public static SessionFactory getSessionFactory() {
        return sessionFactory;
    }
}