com.openkm.hibernate.HibernateUtil.java Source code

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Here is the source code for com.openkm.hibernate.HibernateUtil.java

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/**
 *  OpenKM, Open Document Management System (http://www.openkm.com)
 *  Copyright (c) 2006-2017  Paco Avila & Josep Llort
 *
 *  No bytes were intentionally harmed during the development of this application.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *  
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

package com.openkm.hibernate;

import org.apache.lucene.util.Version;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Show SQL => Logger.getLogger("org.hibernate.SQL").setThreshold(Level.INFO);
 * JBPM Integration => org.jbpm.db.JbpmSessionFactory
 * 
 * @author pavila
 */
public class HibernateUtil {
    private static Logger log = LoggerFactory.getLogger(HibernateUtil.class);
    private static SessionFactory sessionFactory;
    public static Version LUCENE_VERSION = Version.LUCENE_31;

    /**
     * Disable constructor to guaranty a single instance
     */
    private HibernateUtil() {
    }

    /**
     * Get instance
     */
    public static SessionFactory getSessionFactory() {
        Configuration cfg = new Configuration();
        return getSessionFactory(cfg);
    }

    /**
     * Get instance
     */
    public static SessionFactory getSessionFactory(Configuration cfg) {
        if (sessionFactory == null) {
            try {
                // Configuration
                cfg.setProperty("hibernate.dialect", "org.hibernate.dialect.HSQLDialect");
                cfg.setProperty("hibernate.connection.driver_class", "org.hsqldb.jdbcDriver");
                cfg.setProperty("hibernate.connection.url", "jdbc:hsqldb:mem:openkm");
                cfg.setProperty("hibernate.connection.username", "sa");
                cfg.setProperty("hibernate.connection.password", "");
                cfg.setProperty("hibernate.connection.pool_size", "1");
                cfg.setProperty("hibernate.connection.autocommit", "true");
                cfg.setProperty("hibernate.cache.provider_class", "org.hibernate.cache.HashtableCacheProvider");
                cfg.setProperty("hibernate.hbm2ddl.auto", "create");
                cfg.setProperty("hibernate.show_sql", "false");
                cfg.setProperty("hibernate.format_sql", "true");
                cfg.setProperty("hibernate.use_sql_comments", "true");

                // Hibernate Search
                cfg.setProperty("hibernate.search.default.directory_provider",
                        "org.hibernate.search.store.FSDirectoryProvider");
                cfg.setProperty("hibernate.search.default.indexBase", "indexes");

                sessionFactory = cfg.buildSessionFactory();
            } catch (HibernateException e) {
                log.error(e.getMessage(), e);
                throw new ExceptionInInitializerError(e);
            }
        }

        return sessionFactory;
    }

    /**
     * Close factory
     */
    public static void closeSessionFactory() {
        if (sessionFactory != null) {
            sessionFactory.close();
            sessionFactory = null;
        }
    }

    /**
     * Close session
     */
    public static void close(Session session) {
        if (session != null && session.isOpen()) {
            session.close();
        }
    }

    /**
     * Commit transaction
     */
    public static void commit(Transaction tx) {
        if (tx != null && !tx.wasCommitted() && !tx.wasRolledBack()) {
            tx.commit();
        }
    }

    /**
     * Rollback transaction
     */
    public static void rollback(Transaction tx) {
        if (tx != null && !tx.wasCommitted() && !tx.wasRolledBack()) {
            tx.rollback();
        }
    }
}