com.co.codesoftware.persistencia.configuracion.HibernateUtil.java Source code

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Here is the source code for com.co.codesoftware.persistencia.configuracion.HibernateUtil.java

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package com.co.codesoftware.persistencia.configuracion;

import org.hibernate.SessionFactory;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.cfg.Configuration;
import org.hibernate.service.ServiceRegistry;

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

    private static SessionFactory sessionFactory = buildSessionFactory();
    private static String config;

    private static SessionFactory buildSessionFactory() {
        try {
            if (sessionFactory == null) {
                config = "/hibernate.cfg.xml";
                Configuration configuration = new Configuration()
                        .configure(HibernateUtil.class.getResource("/hibernate.cfg.xml"));
                StandardServiceRegistryBuilder serviceRegistryBuilder = new StandardServiceRegistryBuilder();
                serviceRegistryBuilder.applySettings(configuration.getProperties());
                ServiceRegistry serviceRegistry = serviceRegistryBuilder.build();
                sessionFactory = configuration.buildSessionFactory(serviceRegistry);
            }
            return sessionFactory;
        } catch (Throwable ex) {
            System.err.println("Initial SessionFactory creation failed." + ex);
            throw new ExceptionInInitializerError(ex);
        }
    }

    public static SessionFactory getSessionFactory() {
        return sessionFactory;
    }

}