MongoDB C++ Driver mongocxx-4.0.0
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aggregate.hpp
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1// Copyright 2009-present 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 <chrono>
18#include <cstdint>
19
23
28
29#include <mongocxx/hint.hpp>
33
35
36namespace mongocxx {
37namespace v_noabi {
38namespace options {
39
43class aggregate {
44 public:
60
70
85
95 batch_size() const;
96
111 collation(bsoncxx::v_noabi::document::view_or_value collation);
112
123 const bsoncxx::v_noabi::stdx::optional<bsoncxx::v_noabi::document::view_or_value>&)
124 collation() const;
125
139 MONGOCXX_ABI_EXPORT_CDECL(aggregate&) let(bsoncxx::v_noabi::document::view_or_value let);
140
151 const bsoncxx::v_noabi::stdx::optional<bsoncxx::v_noabi::document::view_or_value>&)
152 let() const;
153
168
178 MONGOCXX_ABI_EXPORT_CDECL(const bsoncxx::v_noabi::stdx::optional<std::chrono::milliseconds>&)
179 max_time() const;
180
194
204 const bsoncxx::v_noabi::stdx::optional<mongocxx::v_noabi::read_preference>&)
206
218
227 MONGOCXX_ABI_EXPORT_CDECL(const bsoncxx::v_noabi::stdx::optional<bool>&)
229
247
256 MONGOCXX_ABI_EXPORT_CDECL(const bsoncxx::v_noabi::stdx::optional<mongocxx::v_noabi::hint>&)
257 hint() const;
258
275
286 const bsoncxx::v_noabi::stdx::optional<mongocxx::v_noabi::write_concern>&)
288
303
314 const bsoncxx::v_noabi::stdx::optional<mongocxx::v_noabi::read_concern>&)
316
330 comment(bsoncxx::v_noabi::types::bson_value::view_or_value comment);
331
342 const bsoncxx::v_noabi::stdx::optional<bsoncxx::v_noabi::types::bson_value::view_or_value>&)
343 comment() const;
344
345 private:
346 friend ::mongocxx::v_noabi::collection;
347 friend ::mongocxx::v_noabi::database;
348
349 void append(bsoncxx::v_noabi::builder::basic::document& builder) const;
350
351 bsoncxx::v_noabi::stdx::optional<bool> _allow_disk_use;
352 bsoncxx::v_noabi::stdx::optional<std::int32_t> _batch_size;
353 bsoncxx::v_noabi::stdx::optional<bsoncxx::v_noabi::document::view_or_value> _collation;
354 bsoncxx::v_noabi::stdx::optional<bsoncxx::v_noabi::document::view_or_value> _let;
355 bsoncxx::v_noabi::stdx::optional<std::chrono::milliseconds> _max_time;
356 bsoncxx::v_noabi::stdx::optional<mongocxx::v_noabi::read_preference> _read_preference;
357 bsoncxx::v_noabi::stdx::optional<bool> _bypass_document_validation;
358 bsoncxx::v_noabi::stdx::optional<mongocxx::v_noabi::hint> _hint;
359 bsoncxx::v_noabi::stdx::optional<mongocxx::v_noabi::write_concern> _write_concern;
360 bsoncxx::v_noabi::stdx::optional<mongocxx::v_noabi::read_concern> _read_concern;
361 bsoncxx::v_noabi::stdx::optional<bsoncxx::v_noabi::types::bson_value::view_or_value> _comment;
362};
363
364} // namespace options
365} // namespace v_noabi
366} // namespace mongocxx
367
368#include <mongocxx/config/postlude.hpp>
369
Declares mongocxx::v_noabi::options::aggregate.
Provides bsoncxx::v_noabi::builder::basic::document.
A polyfill for std::optional<T>.
Definition optional.hpp:826
Class representing server side document groupings within a MongoDB database.
Definition collection.hpp:87
Class representing a MongoDB database.
Definition database.hpp:46
Class representing a hint to be passed to a database operation.
Definition hint.hpp:35
Class representing the optional arguments to a MongoDB aggregation operation.
Definition aggregate.hpp:43
const bsoncxx::v_noabi::stdx::optional< bsoncxx::v_noabi::document::view_or_value > & let() const
Retrieves the current variable mapping for this operation.
aggregate & batch_size(std::int32_t batch_size)
Sets the number of documents to return per batch.
const bsoncxx::v_noabi::stdx::optional< bsoncxx::v_noabi::document::view_or_value > & collation() const
Retrieves the current collation for this operation.
const bsoncxx::v_noabi::stdx::optional< bsoncxx::v_noabi::types::bson_value::view_or_value > & comment() const
Gets the current comment.
const bsoncxx::v_noabi::stdx::optional< std::chrono::milliseconds > & max_time() const
The current max_time setting.
const bsoncxx::v_noabi::stdx::optional< bool > & bypass_document_validation() const
The current bypass_document_validation setting.
const bsoncxx::v_noabi::stdx::optional< bool > & allow_disk_use() const
Retrieves the current allow_disk_use setting.
aggregate & allow_disk_use(bool allow_disk_use)
Enables writing to temporary files. When set to true, aggregation stages can write data to the _tmp s...
const bsoncxx::v_noabi::stdx::optional< std::int32_t > & batch_size() const
The current batch size setting.
A class to represent the read concern. Read concern can be set at the client, database,...
Definition read_concern.hpp:57
Class representing a preference for how the driver routes read operations to members of a replica set...
Definition read_preference.hpp:64
Class representing the server-side requirement for reporting the success of a write operation....
Definition write_concern.hpp:60
Declares mongocxx::v_noabi::collection.
Declares mongocxx::v_noabi::database.
Provides bsoncxx::v_noabi::document::view_or_value.
#define MONGOCXX_ABI_EXPORT_CDECL(...)
Equivalent to MONGOCXX_ABI_EXPORT with MONGOCXX_ABI_CDECL.
Definition fwd.hpp:204
Provides mongocxx::v_noabi::hint.
The mongocxx macro guard prelude header.
The top-level namespace within which all bsoncxx library entities are declared.
The top-level namespace within which all mongocxx library entities are declared.
The top-level namespace reserved for the C++ standard library.
Provides std::optional-related polyfills for library API usage.
Provides mongocxx::v_noabi::read_concern.
Provides mongocxx::v_noabi::read_preference.
Provides bsoncxx::v_noabi::types::bson_value::view_or_value.
Provides mongocxx::v_noabi::write_concern.