Drizzled Public API Documentation

user_locks_dictionary.cc
1 /* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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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 
23 #include <plugin/user_locks/module.h>
24 
25 #include <drizzled/atomics.h>
26 #include <drizzled/session.h>
27 
28 using namespace drizzled;
29 using namespace std;
30 
31 user_locks::UserLocks::UserLocks() :
32  plugin::TableFunction("DATA_DICTIONARY", "USER_DEFINED_LOCKS")
33 {
34  add_field("USER_LOCK_NAME", plugin::TableFunction::STRING, user_locks::LARGEST_LOCK_NAME, false);
35  add_field("SESSION_ID", plugin::TableFunction::NUMBER, 0, false);
36  add_field("USERNAME", plugin::TableFunction::STRING);
37 }
38 
39 user_locks::UserLocks::Generator::Generator(drizzled::Field **arg) :
40  drizzled::plugin::TableFunction::Generator(arg)
41 {
42  user_locks::Locks::getInstance().Copy(lock_map);
43  iter= lock_map.begin();
44 }
45 
46 bool user_locks::UserLocks::Generator::populate()
47 {
48 
49  while (iter != lock_map.end())
50  {
51  // USER_LOCK_NAME
52  push(iter->first.getLockName());
53 
54  // SESSION_ID
55  push(iter->second->id);
56  //
57  // USERNAME
58  push(iter->first.getUser());
59 
60  iter++;
61  return true;
62  }
63 
64  return false;
65 }
TODO: Rename this file - func.h is stupid.
Definition: engine.cc:41