com.proyectohibernate.dao.HibernateUtil.java Source code

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Here is the source code for com.proyectohibernate.dao.HibernateUtil.java

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package com.proyectohibernate.dao;

import org.hibernate.HibernateException;
import org.hibernate.cfg.AnnotationConfiguration;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;

/**
 * Hibernate Utility class with a convenient method to get Session Factory
 * object.
 *
 * @author rafa
 */
//public class HibernateUtil {
////http://stackoverflow.com/questions/20872943/configure-hibernate-with-embedded-tomcat-7-programmatically
//    //https://github.com/TechEmpower/FrameworkBenchmarks/blob/master/wicket/src/main/java/hellowicket/HibernateUtil.java
////http://www.coderanch.com/t/590399/ORM/databases/Comment-hibernate-util-class
//    //http://www.mkyong.com/hibernate/how-to-load-hibernate-cfg-xml-from-different-directory/
// http://yourwebdevcenter.webhop.org/files/HibernateUtil.java
//    private static final SessionFactory sessionFactory;
//
//    static {
//        try {
//            // Create the SessionFactory from standard (hibernate.cfg.xml) 
//            // config file.
//            sessionFactory = new AnnotationConfiguration().configure().buildSessionFactory();
//        } catch (Throwable ex) {
//            // Log the exception. 
//            System.err.println("Initial SessionFactory creation failed." + ex);
//            throw new ExceptionInInitializerError(ex);
//        }
//    }
//
//    public static SessionFactory getSessionFactory() {
//        return sessionFactory;
//    }
//}
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;

public class HibernateUtil {

    private static final SessionFactory sessionFactory = getSessionFactory();

    public static SessionFactory getSessionFactory() {
        try {
            return new Configuration().configure().buildSessionFactory();
        } catch (HibernateException ex) {
            System.err.println("HibernateUtil - Error: " + ex);
            throw new ExceptionInInitializerError(ex);
        }
    }

    /**
     * Returns the original Hibernate configuration.
     *
     * @return Configuration
     */
    public static Configuration getConfiguration() {
        return new Configuration();
    }

    //    private static final SessionFactory sessionFactory;
    //    
    //    static {
    //        try {
    //            // Create the SessionFactory from standard (hibernate.cfg.xml) 
    //            // config file.
    //            sessionFactory = new AnnotationConfiguration().configure().buildSessionFactory();
    //        } catch (HibernateException ex) {
    //            // Log the exception. 
    //            System.err.println("Initial SessionFactory creation failed." + ex);
    //            throw new ExceptionInInitializerError(ex);
    //        }
    //    }
    //    
    //    public static SessionFactory getSessionFactory() {
    //        return sessionFactory;
    //    }
    //           public static void shutDown(){
    //      //closes caches and connections
    //      getSessionFactory().close();
    //   }
}