Drizzled Public API Documentation

schema.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
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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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16  * You should have received a copy of the GNU General Public License
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18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include <config.h>
22 
23 #include <drizzled/generator.h>
24 #include <drizzled/session.h>
25 
26 using namespace std;
27 
28 namespace drizzled
29 {
30 namespace generator
31 {
32 
33 Schema::Schema(Session &arg) :
34  session(arg)
35  {
36  plugin::StorageEngine::getIdentifiers(session, schema_names);
37 #if defined(DEBUG)
38  random_shuffle(schema_names.begin(), schema_names.end());
39 #endif
40  schema_iterator= schema_names.begin();
41  }
42 
43 Schema::operator const drizzled::message::schema::shared_ptr()
44 {
45  while (schema_iterator != schema_names.end())
46  {
47  identifier::Schema schema_identifier(*schema_iterator);
48 
49  if (not plugin::Authorization::isAuthorized(*session.user(), schema_identifier, false))
50  {
51  schema_iterator++;
52  continue;
53  }
54 
55  schema= plugin::StorageEngine::getSchemaDefinition(schema_identifier);
56  schema_iterator++;
57 
58  if (schema)
59  return schema;
60  }
61 
62  return message::schema::shared_ptr();
63 }
64 
65 Schema::operator const drizzled::identifier::Schema*()
66 {
67  while (schema_iterator != schema_names.end())
68  {
69  const drizzled::identifier::Schema *_ptr= &(*schema_iterator);
70  schema_iterator++;
71 
72  if (not plugin::Authorization::isAuthorized(*session.user(), *_ptr, false))
73  continue;
74 
75  return _ptr;
76  }
77 
78  return NULL;
79 }
80 
81 } /* namespace generator */
82 } /* namespace drizzled */
static bool isAuthorized(const drizzled::identifier::User &user_ctx, const identifier::Schema &schema_identifier, bool send_error=true)