1 /*
2  * Copyright (c) 2022 Huawei Device Co., Ltd.
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 
16 #ifndef DISTRIBUTEDDATAMGR_DATAMGR_SYNC_OBSERVER_H
17 #define DISTRIBUTEDDATAMGR_DATAMGR_SYNC_OBSERVER_H
18 
19 #include <vector>
20 #include <memory>
21 #include <mutex>
22 #include "kvstore_sync_callback.h"
23 
24 namespace OHOS::DistributedKv {
25 class SyncObserver : public KvStoreSyncCallback {
26 public:
27     explicit SyncObserver(const std::vector<std::shared_ptr<KvStoreSyncCallback>> &callbacks);
28 
29     SyncObserver();
30 
31     virtual ~SyncObserver() = default;
32 
33     bool Add(const std::shared_ptr<KvStoreSyncCallback> callback);
34 
35     bool Clean();
36 
37     void SyncCompleted(const std::map<std::string, DistributedKv::Status> &results) override;
38 
39 private:
40     std::recursive_mutex mutex_;
41     std::vector<std::shared_ptr<KvStoreSyncCallback>> callbacks_;
42 };
43 } // namespace OHOS::DistributedKv
44 #endif // DISTRIBUTEDDATAMGR_DATAMGR_SYNC_OBSERVER_H
45