Drizzled Public API Documentation

state_tool.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 Sun Microsystems, Inc.
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 class StateTool : public drizzled::plugin::TableFunction
00024 {
00025   drizzled::sql_var_t option_type;
00026 
00027 public:
00028 
00029   StateTool(const char *arg, bool global);
00030 
00031   virtual drizzled::drizzle_show_var *getVariables()= 0;
00032 
00033   class Generator : public drizzled::plugin::TableFunction::Generator 
00034   {
00035     drizzled::sql_var_t option_type;
00036     drizzled::drizzle_show_var *variables;
00037 
00038     void fill(const std::string &name, char *value, drizzled::SHOW_TYPE show_type);
00039 
00040   public:
00041     Generator(drizzled::Field **arg, drizzled::sql_var_t option_arg,
00042               drizzled::drizzle_show_var *show_arg);
00043     ~Generator();
00044 
00045     bool populate();
00046 
00047   };
00048 
00049   Generator *generator(drizzled::Field **arg)
00050   {
00051     return new Generator(arg, option_type, getVariables());
00052   }
00053 };
00054