1 /*
2  * Copyright (c) 2021 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_INSTALLER_H
17 #define DISTRIBUTEDDATAMGR_INSTALLER_H
18 
19 #include <memory>
20 #include <mutex>
21 
22 #include "visibility.h"
23 #include "executor_pool.h"
24 namespace OHOS::DistributedKv {
25 class KvStoreDataService;
26 enum Status : int32_t;
27 class Installer {
28 public:
29     KVSTORE_API virtual Status Init(KvStoreDataService *kvStoreDataService,
30         std::shared_ptr<ExecutorPool> executors) = 0;
31     KVSTORE_API virtual void UnsubscribeEvent() = 0;
~Installer()32     KVSTORE_API virtual ~Installer() {}
33     KVSTORE_API static Installer &GetInstance();
34 };
35 } // namespace OHOS::DistributedKv
36 #endif // DISTRIBUTEDDATAMGR_INSTALLER_H
37