Drizzled Public API Documentation

all_tables.h
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
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11  * This program is distributed in the hope that it will be useful,
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14  * GNU General Public License for more details.
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19  */
20 
21 #pragma once
22 
23 #include <drizzled/plugin/storage_engine.h>
24 
25 namespace drizzled {
26 namespace generator {
27 
28 class AllTables
29 {
30  Session &session;
31 
32  identifier::table::vector table_names;
33  identifier::table::vector::const_iterator table_iterator;
34 
35  drizzled::generator::Schema schema_generator;
36  const drizzled::identifier::Schema *schema_ptr;
37 
38  bool table_setup();
39 
40 public:
41 
42  AllTables(Session &arg);
43 
44  void reset();
45 
46  operator const drizzled::message::table::shared_ptr()
47  {
48  do {
49  while (table_iterator != table_names.end())
50  {
51  message::table::shared_ptr table;
52  table= plugin::StorageEngine::getTableMessage(session, *table_iterator);
53  table_iterator++;
54 
55  if (table)
56  return table;
57  }
58  } while ((schema_ptr= schema_generator) && table_setup());
59 
60  return message::table::shared_ptr();
61  }
62 
63  operator const drizzled::identifier::Table*()
64  {
65  do {
66  while (table_iterator != table_names.end())
67  {
68  const drizzled::identifier::Table *_ptr= &(*table_iterator);
69  table_iterator++;
70 
71  return _ptr;
72  }
73  } while ((schema_ptr= schema_generator) && table_setup());
74 
75  return NULL;
76  }
77 };
78 
79 } /* namespace generator */
80 } /* namespace drizzled */
81