~drizzle-trunk/drizzle/development

1340.1.2 by Brian Aker
Merge of table cache/def DD.
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
2234 by Brian Aker
Mass removal of ifdef/endif in favor of pragma once.
21
#pragma once
1340.1.2 by Brian Aker
Merge of table cache/def DD.
22
23
namespace table_cache_dictionary {
24
25
class TableCache : public  drizzled::plugin::TableFunction
26
{
27
public:
28
  TableCache();
29
30
  class Generator : public drizzled::plugin::TableFunction::Generator 
31
  {
32
    bool is_primed;
33
    drizzled::Table *table;
34
    std::vector<drizzled::Table *> table_list;
35
    std::vector<drizzled::Table *>::iterator table_list_iterator;
1938.4.11 by Brian Aker
Scoped locks a bit better.
36
    boost::mutex::scoped_lock scopedLock;
1340.1.2 by Brian Aker
Merge of table cache/def DD.
37
38
    void fill();
39
40
    bool nextCore();
41
    bool next();
42
43
  public:
44
    bool populate();
45
46
    Generator(drizzled::Field **arg);
47
    ~Generator();
48
  };
49
50
  Generator *generator(drizzled::Field **arg)
51
  {
52
    return new Generator(arg);
53
  }
54
};
55
56
} /* namespace table_cache_dictionary */
57