Drizzled Public API Documentation

access_method_factory.cc
1 /* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
2  * vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
3  *
4  * Copyright (C) 2010 Padraig O'Sullivan
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include <config.h>
22 #include <drizzled/optimizer/access_method.h>
23 #include <drizzled/optimizer/access_method_factory.h>
24 #include <drizzled/optimizer/access_method/system.h>
25 #include <drizzled/optimizer/access_method/const.h>
26 #include <drizzled/optimizer/access_method/unique_index.h>
27 #include <drizzled/optimizer/access_method/index.h>
28 #include <drizzled/optimizer/access_method/scan.h>
29 
30 #include <boost/make_shared.hpp>
31 #include <boost/shared_ptr.hpp>
32 
33 using namespace drizzled;
34 
35 optimizer::AccessMethod::ptr optimizer::AccessMethodFactory::create(access_method type)
36 {
37  switch (type)
38  {
39  case AM_SYSTEM:
40  return boost::make_shared<optimizer::System>();
41  case AM_CONST:
42  return boost::make_shared<optimizer::Const>();
43  case AM_EQ_REF:
44  return boost::make_shared<optimizer::UniqueIndex>();
45  case AM_REF_OR_NULL:
46  case AM_REF:
47  return boost::make_shared<optimizer::Index>();
48  case AM_ALL:
49  return boost::make_shared<optimizer::Scan>();
50  default:
51  assert(false);
52  }
53  return optimizer::AccessMethod::ptr();
54 }
TODO: Rename this file - func.h is stupid.