cz.morosystems.morotestserver.dao.HibernateUtil.java Source code

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Here is the source code for cz.morosystems.morotestserver.dao.HibernateUtil.java

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package cz.morosystems.morotestserver.dao;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
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 tomas.langer
 */
public class HibernateUtil {
    private static SessionFactory sessionFactory;

    private static final Logger LOG = LogManager.getLogger(HibernateUtil.class);

    public static synchronized void Init() {
        try {
            Configuration configuration = new Configuration();
            configuration.configure();
            ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder()
                    .applySettings(configuration.getProperties()).build();
            sessionFactory = configuration.buildSessionFactory(serviceRegistry);
            LOG.info("HibernateUtil.Init");
        } catch (Throwable ex) {
            LOG.error("Initial Hibernate SessionFactory creation failed." + ex);
            throw new ExceptionInInitializerError(ex);
        }
    }

    public static SessionFactory getSessionFactory() {
        return sessionFactory;
    }

    public static synchronized void Close() {
        if (sessionFactory != null) {
            sessionFactory.close();
            sessionFactory = null;
        }
    }
}