Drizzled Public API Documentation

session.h
00001 /* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
00002  *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
00003  *
00004  *  Copyright (C) 2010 Brian Aker
00005  *
00006  *  This program is free software; you can redistribute it and/or modify
00007  *  it under the terms of the GNU General Public License as published by
00008  *  the Free Software Foundation; either version 2 of the License, or
00009  *  (at your option) any later version.
00010  *
00011  *  This program is distributed in the hope that it will be useful,
00012  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  *  GNU General Public License for more details.
00015  *
00016  *  You should have received a copy of the GNU General Public License
00017  *  along with this program; if not, write to the Free Software
00018  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00019  */
00020 
00021 #pragma once
00022 
00023 #include <boost/thread/mutex.hpp>
00024 
00025 #include <drizzled/identifier/user.h>
00026 #include <drizzled/session/cache.h>
00027 
00028 namespace drizzled {
00029 namespace generator {
00030 
00031 class Session
00032 {
00033   session::Cache::list local_list;
00034   session::Cache::list::const_iterator iter;
00035   identifier::User::const_reference user;
00036 
00037 public:
00038 
00039   Session(identifier::User::const_reference arg) :
00040     user(arg)
00041   {
00042     boost::mutex::scoped_lock scopedLock(session::Cache::singleton().mutex());
00043     local_list= session::Cache::singleton().getCache();
00044     iter= local_list.begin();
00045   }
00046 
00047   operator drizzled::Session::pointer()
00048   {
00049     while (iter != local_list.end())
00050     {
00051       drizzled::Session::pointer ret= iter->get();
00052       iter++;
00053 
00054       if (ret->isViewable(user))
00055         return ret;
00056     }
00057     return drizzled::Session::pointer();
00058   }
00059 };
00060 
00061 } /* namespace generator */
00062 } /* namespace drizzled */
00063