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_SERVICE_REF_COUNT_H
17 #define DISTRIBUTEDDATAMGR_DATAMGR_SERVICE_REF_COUNT_H
18 #include <atomic>
19 #include <functional>
20 #include <memory>
21 #include "visibility.h"
22 namespace OHOS::DistributedData {
23 class API_EXPORT RefCount final {
24 public:
25     RefCount();
26     RefCount(std::function<void()> action);
27     RefCount(const RefCount &other);
28     RefCount(RefCount &&other) noexcept;
29     RefCount &operator=(const RefCount &other);
30     RefCount &operator=(RefCount &&other) noexcept;
31     operator bool() const;
32 
33 private:
34     std::shared_ptr<const char> ref_;
35 };
36 } // namespace OHOS::DistributedKv
37 #endif // DISTRIBUTEDDATAMGR_DATAMGR_SERVICE_REF_COUNT_H
38