MongoDB C++ Driver  mongocxx-3.4.0
topology_changed_event.hpp
1 // Copyright 2018-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 <bsoncxx/oid.hpp>
18 #include <mongocxx/events/topology_description.hpp>
19 
20 #include <mongocxx/config/prelude.hpp>
21 
22 namespace mongocxx {
23 MONGOCXX_INLINE_NAMESPACE_BEGIN
24 
25 namespace events {
26 
34 class MONGOCXX_API topology_changed_event {
35  public:
36  MONGOCXX_PRIVATE explicit topology_changed_event(const void* event);
37 
41  ~topology_changed_event();
42 
48  bsoncxx::oid topology_id() const;
49 
55  topology_description previous_description() const;
56 
62  topology_description new_description() const;
63 
64  private:
65  const void* _event;
66 };
67 
68 } // namespace events
69 MONGOCXX_INLINE_NAMESPACE_END
70 } // namespace mongocxx
71 
72 #include <mongocxx/config/postlude.hpp>
Top level namespace for the MongoDB C++ driver.
Definition: bulk_write.hpp:24
Represents a MongoDB ObjectId.
Definition: oid.hpp:38
An event notification sent when the driver observes a change in any of the servers it is connected to...
Definition: topology_changed_event.hpp:34
Class representing what the driver knows about a topology of MongoDB servers: either a standalone...
Definition: topology_description.hpp:37