Drizzled Public API Documentation

table_cache.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 namespace table_cache_dictionary {
00024 
00025 class TableCache : public  drizzled::plugin::TableFunction
00026 {
00027 public:
00028   TableCache();
00029 
00030   class Generator : public drizzled::plugin::TableFunction::Generator 
00031   {
00032     bool is_primed;
00033     drizzled::Table *table;
00034     std::vector<drizzled::Table *> table_list;
00035     std::vector<drizzled::Table *>::iterator table_list_iterator;
00036     boost::mutex::scoped_lock scopedLock;
00037 
00038     void fill();
00039 
00040     bool nextCore();
00041     bool next();
00042 
00043   public:
00044     bool populate();
00045 
00046     Generator(drizzled::Field **arg);
00047     ~Generator();
00048   };
00049 
00050   Generator *generator(drizzled::Field **arg)
00051   {
00052     return new Generator(arg);
00053   }
00054 };
00055 
00056 } /* namespace table_cache_dictionary */
00057