Drizzled Public API Documentation

all_indexes.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 drizzled {
00024 namespace generator {
00025 
00026 class AllIndexes
00027 {
00028   Session &session;
00029   message::Table table_message;
00030   drizzled::message::table::shared_ptr table_ptr;
00031   int32_t index_iterator;
00032 
00033   drizzled::generator::AllTables all_tables_generator;
00034 
00035   bool table_setup();
00036 
00037 public:
00038 
00039   AllIndexes(Session &arg);
00040 
00041   void reset();
00042 
00043   operator const drizzled::message::Table::Index*()
00044   {
00045     if (table_ptr)
00046     {
00047       do {
00048         if (index_iterator != table_message.indexes_size())
00049         {
00050           const message::Table::Index &index(table_message.indexes(index_iterator++));
00051           return &index;
00052         }
00053 
00054       } while ((table_ptr= all_tables_generator) && table_setup());
00055     }
00056 
00057     return NULL;
00058   }
00059 };
00060 
00061 } /* namespace generator */
00062 } /* namespace drizzled */
00063