com.liferay.samplehibernate.util.HibernateUtil.java Source code

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Here is the source code for com.liferay.samplehibernate.util.HibernateUtil.java

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/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library 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 Lesser General Public License for more
 * details.
 */

package com.liferay.samplehibernate.util;

import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;

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

/**
 * @author Charles May
 */
public class HibernateUtil {

    public static final String COUNT_COLUMN_NAME = "COUNT_VALUE";

    public static void closeSession(Session session) {
        try {
            if ((session != null) && session.isOpen()) {
                session.close();
            }
        } catch (HibernateException he) {
            _log.error(he.getMessage());
        }
    }

    public static String getCountColumnName() {
        return COUNT_COLUMN_NAME;
    }

    public static SessionFactory getSessionFactory() {
        return _instance._sessionFactory;
    }

    public static Session openSession() throws HibernateException {
        return openSession(getSessionFactory());
    }

    public static Session openSession(SessionFactory sessionFactory) throws HibernateException {

        return sessionFactory.getCurrentSession();
    }

    private HibernateUtil() {
        try {
            Configuration configuration = new Configuration();

            configuration = configuration.configure();

            _sessionFactory = configuration.buildSessionFactory();
        } catch (Exception e) {
            _log.error(e, e);
        }
    }

    private static Log _log = LogFactoryUtil.getLog(HibernateUtil.class);

    private static HibernateUtil _instance = new HibernateUtil();

    private SessionFactory _sessionFactory;

}