001 /* 002 Copyright (C) 2001-2003 Lionel Seinturier <Lionel.Seinturier@lip6.fr> 003 004 This program is free software; you can redistribute it and/or modify 005 it under the terms of the GNU Lesser General Public License as 006 published by the Free Software Foundation; either version 2 of the 007 License, or (at your option) any later version. 008 009 This program is distributed in the hope that it will be useful, 010 but WITHOUT ANY WARRANTY; without even the implied warranty of 011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 012 GNU Lesser General Public License for more details. 013 014 You should have received a copy of the GNU Lesser General Public License 015 along with this program; if not, write to the Free Software 016 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ 017 018 package org.objectweb.jac.aspects.hibernate; 019 020 import net.sf.hibernate.HibernateException; 021 import net.sf.hibernate.Transaction; 022 023 import org.aopalliance.intercept.ConstructorInvocation; 024 import org.aopalliance.intercept.MethodInvocation; 025 import org.objectweb.jac.core.AspectComponent; 026 import org.objectweb.jac.core.Interaction; 027 import org.objectweb.jac.core.Wrapper; 028 029 /** 030 * This wrapper delimits the end of a persistent session. 031 * 032 * @author Lionel Seinturier <Lionel.Seinturier@lip6.fr> 033 * @version 1.0 034 */ 035 public class EndPersistentSessionWrapper extends Wrapper { 036 037 /** The gateway instance to Hibernate. */ 038 private HibernateHelper hh = HibernateHelper.get(); 039 040 public EndPersistentSessionWrapper( AspectComponent ac ) { 041 super(ac); 042 } 043 044 /** 045 * Wrapping method around pointcuts 046 * where a persistent session ends. 047 */ 048 public Object invoke( MethodInvocation invocation ) { 049 Interaction interaction = (Interaction) invocation; 050 051 Object ret = proceed(interaction); 052 053 try { 054 Transaction tx = hh.getTx(); 055 tx.commit(); 056 return ret; 057 } catch (HibernateException e1) { 058 e1.printStackTrace(); 059 System.exit(1); 060 } 061 return null; 062 } 063 064 public Object construct(ConstructorInvocation invocation) 065 throws Throwable { 066 throw new Exception("This wrapper does not support constructor wrapping"); 067 } 068 }