/home/tommi/tntnet/framework/common/tnt/applicationunlocker.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_APPLICATIONUNLOCKER_H
00030 #define TNT_APPLICATIONUNLOCKER_H
00031 
00032 #include <tnt/httprequest.h>
00033 
00034 namespace tnt
00035 {
00042   class ApplicationUnlocker
00043   {
00044       HttpRequest& request;
00045 
00046     public:
00047       explicit ApplicationUnlocker(HttpRequest& request_, bool release = true)
00048         : request(request_)
00049       {
00050         if (release)
00051           request.releaseApplicationScopeLock();
00052       }
00053 
00054       ~ApplicationUnlocker()
00055       {
00056         request.ensureApplicationScopeLock();
00057       }
00058 
00059       void unlock()
00060       {
00061         request.releaseApplicationScopeLock();
00062       }
00063 
00064       void lock()
00065       {
00066         request.ensureApplicationScopeLock();
00067       }
00068 
00069   };
00070 
00071 }
00072 
00073 #endif // TNT_APPLICATIONUNLOCKER_H