/home/tommi/tntnet/framework/common/tnt/sessionunlocker.h

00001 /*
00002  * Copyright (C) 2009 Tommi Maekitalo
00003  *
00004  * This library is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU Lesser General Public
00006  * License as published by the Free Software Foundation; either
00007  * version 2.1 of the License, or (at your option) any later version.
00008  * 
00009  * As a special exception, you may use this file as part of a free
00010  * software library without restriction. Specifically, if other files
00011  * instantiate templates or use macros or inline functions from this
00012  * file, or you compile this file and link it with other files to
00013  * produce an executable, this file does not by itself cause the
00014  * resulting executable to be covered by the GNU General Public
00015  * License. This exception does not however invalidate any other
00016  * reasons why the executable file might be covered by the GNU Library
00017  * General Public License.
00018  * 
00019  * This library is distributed in the hope that it will be useful,
00020  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00021  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00022  * Lesser General Public License for more details.
00023  * 
00024  * You should have received a copy of the GNU Lesser General Public
00025  * License along with this library; if not, write to the Free Software
00026  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
00027  */
00028 
00029 #ifndef TNT_SESSIONUNLOCKER_H
00030 #define TNT_SESSIONUNLOCKER_H
00031 
00032 #include <tnt/httprequest.h>
00033 
00034 namespace tnt
00035 {
00045   class SessionUnlocker
00046   {
00047       HttpRequest& request;
00048 
00049     public:
00050       explicit SessionUnlocker(HttpRequest& request_, bool release = true)
00051         : request(request_)
00052       {
00053         if (release)
00054           request.releaseSessionScopeLock();
00055       }
00056 
00057       ~SessionUnlocker()
00058       {
00059         request.ensureSessionScopeLock();
00060       }
00061 
00062       void unlock()
00063       {
00064         request.releaseSessionScopeLock();
00065       }
00066 
00067       void lock()
00068       {
00069         request.ensureSessionScopeLock();
00070       }
00071 
00072   };
00073 
00074 }
00075 
00076 #endif // TNT_SESSIONUNLOCKER_H