MongoDB C++ Driver mongocxx-3.10.1
Loading...
Searching...
No Matches
oid.hpp
1// Copyright 2014 MongoDB Inc.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15#pragma once
16
17#include <array>
18#include <ctime>
19#include <string>
20
21#include <bsoncxx/oid-fwd.hpp>
22
23#include <bsoncxx/stdx/string_view.hpp>
24
25#include <bsoncxx/config/prelude.hpp>
26
27namespace bsoncxx {
28namespace v_noabi {
29
40class oid {
41 public:
42 static constexpr std::size_t k_oid_length = 12;
43
47 oid();
48
59 explicit oid(const char* bytes, std::size_t len);
60
70 explicit oid(const stdx::string_view& str);
71
77 std::string to_string() const;
78
84 static std::size_t size() {
85 return k_oid_length;
86 }
87
95 friend BSONCXX_API bool BSONCXX_CALL operator<(const oid& lhs, const oid& rhs);
96 friend BSONCXX_API bool BSONCXX_CALL operator>(const oid& lhs, const oid& rhs);
97 friend BSONCXX_API bool BSONCXX_CALL operator<=(const oid& lhs, const oid& rhs);
98 friend BSONCXX_API bool BSONCXX_CALL operator>=(const oid& lhs, const oid& rhs);
99 friend BSONCXX_API bool BSONCXX_CALL operator==(const oid& lhs, const oid& rhs);
100 friend BSONCXX_API bool BSONCXX_CALL operator!=(const oid& lhs, const oid& rhs);
104
110 std::time_t get_time_t() const;
111
117 const char* bytes() const;
118
119 private:
120 friend BSONCXX_PRIVATE int oid_compare(const oid& lhs, const oid& rhs);
121
122 std::array<char, k_oid_length> _bytes;
123};
124
125} // namespace v_noabi
126} // namespace bsoncxx
127
128#include <bsoncxx/config/postlude.hpp>
Represents a MongoDB ObjectId.
Definition oid.hpp:40
std::string to_string() const
Converts this oid to a hexadecimal string.
friend bool operator==(const oid &lhs, const oid &rhs)
Relational operators for OIDs.
friend bool operator!=(const oid &lhs, const oid &rhs)
Relational operators for OIDs.
static std::size_t size()
Returns the number of bytes in this ObjectId.
Definition oid.hpp:84
const char * bytes() const
An accessor for the internal data buffer in the oid.
friend bool operator<(const oid &lhs, const oid &rhs)
Relational operators for OIDs.
oid()
Constructs an oid and initializes it to a newly generated ObjectId.
friend bool operator>(const oid &lhs, const oid &rhs)
Relational operators for OIDs.
oid(const stdx::string_view &str)
Constructs an oid and initializes it from the provided hex string.
friend bool operator>=(const oid &lhs, const oid &rhs)
Relational operators for OIDs.
friend bool operator<=(const oid &lhs, const oid &rhs)
Relational operators for OIDs.
oid(const char *bytes, std::size_t len)
Constructs an oid initializes it to the contents of the provided buffer.
std::time_t get_time_t() const
Extracts the timestamp portion of the underlying ObjectId.
The top-level namespace for bsoncxx library entities.
Definition element-fwd.hpp:19