Drizzled Public API Documentation

cache.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 Brian Aker
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/pthread_globals.h>
23 #include <drizzled/message/cache.h>
24 #include <drizzled/util/find_ptr.h>
25 
26 namespace drizzled {
27 namespace message {
28 
29 table::shared_ptr Cache::find(const identifier::Table &identifier)
30 {
31  boost::mutex::scoped_lock scoped_lock(_access);
32  if (Map::mapped_type* ptr= find_ptr(cache, identifier.getKey()))
33  return *ptr;
34  return table::shared_ptr();
35 }
36 
37 void Cache::erase(const identifier::Table &identifier)
38 {
39  boost::mutex::scoped_lock scoped_lock(_access);
40  cache.erase(identifier.getKey());
41 }
42 
43 bool Cache::insert(const identifier::Table &identifier, table::shared_ptr share)
44 {
45  boost::mutex::scoped_lock scoped_lock(_access);
46  return cache.insert(std::make_pair(identifier.getKey(), share)).second;
47 }
48 
49 bool Cache::insert(const identifier::Table &identifier, drizzled::message::Table &message)
50 {
51  return insert(identifier, table::shared_ptr(new message::Table(message)));
52 }
53 
54 } // namespace message
55 } // namespace drizzled
TODO: Rename this file - func.h is stupid.