1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
// database_catalog_entry.h
/**
* Copyright (C) 2014 MongoDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#pragma once
#include <list>
#include <string>
#include "mongo/base/status.h"
#include "mongo/base/string_data.h"
namespace mongo {
class BSONObjBuilder;
class CollectionCatalogEntry;
class IndexAccessMethod;
class IndexCatalogEntry;
class OperationContext;
class RecordStore;
struct CollectionOptions;
class DatabaseCatalogEntry {
public:
DatabaseCatalogEntry( const StringData& name )
: _name( name.toString() ) {
}
virtual ~DatabaseCatalogEntry(){ }
const std::string& name() const { return _name; }
virtual bool exists() const = 0;
virtual bool isEmpty() const = 0;
virtual void appendExtraStats( OperationContext* opCtx,
BSONObjBuilder* out,
double scale ) const = 0;
// these are hacks :(
virtual bool isOlderThan24( OperationContext* opCtx ) const = 0;
virtual void markIndexSafe24AndUp( OperationContext* opCtx ) = 0;
/**
* @return true if current files on disk are compatibile with the current version.
* if we return false, then an upgrade will be required
*/
virtual bool currentFilesCompatible( OperationContext* opCtx ) const = 0;
// ----
virtual void getCollectionNamespaces( std::list<std::string>* out ) const = 0;
// The DatabaseCatalogEntry owns this, do not delete
virtual CollectionCatalogEntry* getCollectionCatalogEntry( OperationContext* txn,
const StringData& ns ) const = 0;
// The DatabaseCatalogEntry owns this, do not delete
virtual RecordStore* getRecordStore( OperationContext* txn,
const StringData& ns ) = 0;
// Ownership passes to caller
virtual IndexAccessMethod* getIndex( OperationContext* txn,
const CollectionCatalogEntry* collection,
IndexCatalogEntry* index ) = 0;
virtual Status createCollection( OperationContext* txn,
const StringData& ns,
const CollectionOptions& options,
bool allocateDefaultSpace ) = 0;
virtual Status renameCollection( OperationContext* txn,
const StringData& fromNS,
const StringData& toNS,
bool stayTemp ) = 0;
virtual Status dropCollection( OperationContext* opCtx,
const StringData& ns ) = 0;
private:
std::string _name;
};
}
|
