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