Drizzled Public API Documentation

placeholder.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 /* Structs that defines the Table */
00022 
00023 #pragma once
00024 
00025 namespace drizzled
00026 {
00027 
00028 namespace table
00029 {
00030 
00031 class Placeholder : public table::Concurrent
00032 {
00033   instance::Shared private_share;
00034 
00035 public:
00036   Placeholder(Session *session, identifier::Table &identifier) :
00037     table::Concurrent(),
00038     private_share(identifier)
00039   {
00040     setShare(&private_share);
00041     in_use= session;
00042 
00043     locked_by_name= true;
00044   }
00045 
00046   bool isPlaceHolder(void) const
00047   {
00048     return true;
00049   }
00050 
00051   void release(void)
00052   {
00053     table::instance::release(getMutableShare());
00054   }
00055 };
00056 
00057 } /* namespace table */
00058 } /* namespace drizzled */
00059