org.geocachingtools.geoui.database.HibernateUtil.java Source code

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Here is the source code for org.geocachingtools.geoui.database.HibernateUtil.java

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package org.geocachingtools.geoui.database;

import org.hibernate.HibernateException;
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 schule
 */
public class HibernateUtil {

    private static final SessionFactory sessionFactory;
    private static final ServiceRegistry serviceRegistry;

    static {
        try {
            // loads configuration and mappings
            Configuration configuration = new Configuration().configure();
            serviceRegistry = new StandardServiceRegistryBuilder().applySettings(configuration.getProperties())
                    .build();

            // builds a session factory from the service registry
            sessionFactory = configuration.buildSessionFactory(serviceRegistry);
        } 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 close() {
        if (serviceRegistry != null) {
            StandardServiceRegistryBuilder.destroy(serviceRegistry);
        }
    }
}