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update_one.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
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12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #pragma once
16 
17 #include <bsoncxx/array/view_or_value.hpp>
18 #include <bsoncxx/document/view_or_value.hpp>
19 #include <bsoncxx/stdx/optional.hpp>
20 #include <mongocxx/hint.hpp>
21 #include <mongocxx/pipeline.hpp>
22 #include <mongocxx/stdx.hpp>
23 
24 #include <mongocxx/config/prelude.hpp>
25 
26 namespace mongocxx {
27 inline namespace v_noabi {
28 namespace model {
29 
33 class MONGOCXX_API update_one {
34  //
35  // Utility class supporting the convenience of {} meaning an empty bsoncxx::document.
36  //
37  // Users may not use this class directly.
38  //
39  // In places where driver methods take this class as a parameter, passing {} will
40  // translate to a default-constructed bsoncxx::document::view_or_value,
41  // regardless of other overloads taking other default-constructible types
42  // for that parameter. This class avoids compiler ambiguity with such overloads.
43  //
44  // See update_one() for an example of such overloads.
45  //
46  class _empty_doc_tag {
47  _empty_doc_tag() = default;
48  };
49 
50  public:
61  update_one(bsoncxx::document::view_or_value filter, bsoncxx::document::view_or_value update);
62 
71  update_one(bsoncxx::document::view_or_value filter, const pipeline& update);
72 
81  update_one(bsoncxx::document::view_or_value filter,
82  std::initializer_list<_empty_doc_tag> update);
83 
87 
93  const bsoncxx::document::view_or_value& filter() const;
94 
100  const bsoncxx::document::view_or_value& update() const;
101 
111  update_one& collation(bsoncxx::document::view_or_value collation);
112 
122  const stdx::optional<bsoncxx::document::view_or_value>& collation() const;
123 
137  update_one& hint(class hint index_hint);
138 
144  const stdx::optional<class hint>& hint() const;
145 
159  update_one& upsert(bool upsert);
160 
166  const stdx::optional<bool>& upsert() const;
167 
176  update_one& array_filters(bsoncxx::array::view_or_value array_filters);
177 
186  const stdx::optional<bsoncxx::array::view_or_value>& array_filters() const;
187 
188  private:
189  bsoncxx::document::view_or_value _filter;
190  bsoncxx::document::view_or_value _update;
191 
192  stdx::optional<bsoncxx::document::view_or_value> _collation;
193  stdx::optional<bsoncxx::array::view_or_value> _array_filters;
194  stdx::optional<bool> _upsert;
195  stdx::optional<class hint> _hint;
196 };
197 
198 } // namespace model
199 } // namespace v_noabi
200 } // namespace mongocxx
201 
202 #include <mongocxx/config/postlude.hpp>
Class representing a hint to be passed to a database operation.
Definition: hint.hpp:31
Class representing a MongoDB update operation that modifies a single document.
Definition: update_one.hpp:33
const stdx::optional< bsoncxx::array::view_or_value > & array_filters() const
Get array filters for this operation.
update_one & array_filters(bsoncxx::array::view_or_value array_filters)
Set array filters for this update operation.
update_one & upsert(bool upsert)
Sets the upsert option.
const bsoncxx::document::view_or_value & update() const
Gets the update document.
update_one & collation(bsoncxx::document::view_or_value collation)
Sets the collation for this update operation.
update_one(bsoncxx::document::view_or_value filter, std::initializer_list< _empty_doc_tag > update)
Constructs an update operation that will modify a single document matching the filter.
const stdx::optional< class hint > & hint() const
Gets the current hint.
const bsoncxx::document::view_or_value & filter() const
Gets the filter.
update_one & hint(class hint index_hint)
Sets the index to use for this operation.
const stdx::optional< bsoncxx::document::view_or_value > & collation() const
Gets the collation option for this update operation.
const stdx::optional< bool > & upsert() const
Gets the current value of the upsert option.
update_one(bsoncxx::document::view_or_value filter, const pipeline &update)
Constructs an update operation that will modify a single document matching the filter.
update_one(bsoncxx::document::view_or_value filter, bsoncxx::document::view_or_value update)
Constructs an update operation that will modify a single document matching the filter.
Class representing a MongoDB aggregation pipeline.
Definition: pipeline.hpp:37
The top-level namespace for mongocxx library entities.
Definition: bulk_write.hpp:24