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
|
/**
* Copyright (C) 2022-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* 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 Server Side 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 "mongo/s/chunk_version.h"
#include "mongo/util/uuid.h"
namespace mongo {
/**
* Reflects the index information about a collection.
*/
class CollectionIndexes {
public:
CollectionIndexes(UUID collectionUUID, Timestamp index)
: _uuid(collectionUUID), _indexVersion(index) {}
CollectionIndexes() : CollectionIndexes(UUID::gen(), Timestamp()) {}
Timestamp indexVersion() const {
return _indexVersion;
}
UUID uuid() const {
return _uuid;
}
bool operator==(const CollectionIndexes& otherVersion) const {
return otherVersion.uuid() == uuid() && otherVersion.indexVersion() == indexVersion();
}
bool operator!=(const CollectionIndexes& otherVersion) const {
return !(otherVersion == *this);
}
static CollectionIndexes parse(const BSONElement& element);
void serialize(StringData field, BSONObjBuilder* builder) const;
std::string toString() const;
BSONObj toBSONForLogging() const;
private:
UUID _uuid;
Timestamp _indexVersion;
};
inline std::ostream& operator<<(std::ostream& s, const CollectionIndexes& v) {
return s << v.toString();
}
inline StringBuilder& operator<<(StringBuilder& s, const CollectionIndexes& v) {
return s << v.toString();
}
} // namespace mongo
|