001    /**
002     * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.dao.orm.hibernate;
016    
017    import com.liferay.portal.kernel.dao.jdbc.CurrentConnectionUtil;
018    import com.liferay.portal.kernel.dao.orm.ORMException;
019    import com.liferay.portal.kernel.dao.orm.Session;
020    import com.liferay.portal.kernel.log.Log;
021    import com.liferay.portal.kernel.log.LogFactoryUtil;
022    import com.liferay.portal.security.lang.DoPrivilegedUtil;
023    import com.liferay.portal.spring.hibernate.PortletHibernateConfiguration;
024    import com.liferay.portal.util.PropsValues;
025    
026    import java.sql.Connection;
027    
028    import javax.sql.DataSource;
029    
030    import org.hibernate.SessionFactory;
031    
032    /**
033     * @author Shuyang Zhou
034     * @author Alexander Chow
035     */
036    public class PortletSessionFactoryImpl extends SessionFactoryImpl {
037    
038            @Override
039            public void closeSession(Session session) throws ORMException {
040                    if (session != null) {
041                            session.flush();
042    
043                            if (!PropsValues.SPRING_HIBERNATE_SESSION_DELEGATED) {
044                                    session.close();
045                            }
046                    }
047            }
048    
049            @Override
050            public Session openSession() throws ORMException {
051                    SessionFactory sessionFactory = getSessionFactory();
052    
053                    org.hibernate.Session session = null;
054    
055                    if (PropsValues.SPRING_HIBERNATE_SESSION_DELEGATED) {
056                            Connection connection = CurrentConnectionUtil.getConnection(
057                                    getDataSource());
058    
059                            if (connection == null) {
060                                    session = sessionFactory.getCurrentSession();
061                            }
062                            else {
063                                    session = sessionFactory.openSession(connection);
064                            }
065                    }
066                    else {
067                            session = sessionFactory.openSession();
068                    }
069    
070                    if (_log.isDebugEnabled()) {
071                            org.hibernate.impl.SessionImpl sessionImpl =
072                                    (org.hibernate.impl.SessionImpl)session;
073    
074                            _log.debug(
075                                    "Session is using connection release mode " +
076                                            sessionImpl.getConnectionReleaseMode());
077                    }
078    
079                    return wrapSession(session);
080            }
081    
082            public void setDataSource(DataSource dataSource) {
083                    _dataSource = dataSource;
084            }
085    
086            protected SessionFactory createSessionFactory(DataSource dataSource) {
087                    PortletHibernateConfiguration portletHibernateConfiguration =
088                            new PortletHibernateConfiguration(
089                                    getSessionFactoryClassLoader(), dataSource);
090    
091                    portletHibernateConfiguration.setDataSource(dataSource);
092    
093                    SessionFactory sessionFactory = null;
094    
095                    try {
096                            sessionFactory =
097                                    portletHibernateConfiguration.buildSessionFactory();
098                    }
099                    catch (Exception e) {
100                            _log.error(e, e);
101    
102                            return null;
103                    }
104    
105                    return sessionFactory;
106            }
107    
108            protected DataSource getDataSource() {
109                    return _dataSource;
110            }
111    
112            protected SessionFactory getSessionFactory() {
113                    return getSessionFactoryImplementor();
114            }
115    
116            @Override
117            protected Session wrapSession(org.hibernate.Session session) {
118                    return DoPrivilegedUtil.wrapWhenActive(super.wrapSession(session));
119            }
120    
121            private static final Log _log = LogFactoryUtil.getLog(
122                    PortletSessionFactoryImpl.class);
123    
124            private DataSource _dataSource;
125    
126    }