Java tutorial
/** * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ package org.infinity.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; /** * <a href="HibernateUtil.java.html"><b><i>View Source</i></b></a> * * @author Charles May * */ public class HibernateUtil { public static final String COUNT_COLUMN_NAME = "COUNT_VALUE"; public static String getCountColumnName() { return COUNT_COLUMN_NAME; } public static SessionFactory getSessionFactory() { return _instance._sessionFactory; } public static void closeSession(Session session) { try { if ((session != null) && (session.isOpen())) { session.close(); } } catch (HibernateException he) { _log.error(he.getMessage()); } } 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(); try { _sessionFactory = configuration.buildSessionFactory(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } catch (Exception e) { e.printStackTrace(); _log.error(e, e); } } private static Log _log = LogFactoryUtil.getLog(HibernateUtil.class); private static HibernateUtil _instance = new HibernateUtil(); private SessionFactory _sessionFactory; }