edu.depaul.se452g4.mover.util.HibernateUtil.java Source code

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Here is the source code for edu.depaul.se452g4.mover.util.HibernateUtil.java

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package edu.depaul.se452g4.mover.util;

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 markwilhelm
 */

public class HibernateUtil {
    private static SessionFactory sessionFactory = buildSessionFactory();

    private static SessionFactory buildSessionFactory() {
        try {
            if (sessionFactory == null) {
                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;
        Configuration configuration = new Configuration().configure();
        StandardServiceRegistryBuilder builder = new StandardServiceRegistryBuilder()
                .applySettings(configuration.getProperties());

        SessionFactory sessionFactory = configuration.buildSessionFactory(builder.build());

        return sessionFactory;
    }

    public static void shutdown() {
        getSessionFactory().close();
    }

}