1 /*
2  * Copyright (c) 2021-2022 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 FOUNDATION_ACE_FRAMEWORKS_CORE_COMMON_STORAGE_STORAGE_PROXY_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMMON_STORAGE_STORAGE_PROXY_H
18 
19 #include "base/utils/singleton.h"
20 #include "core/common/storage/storage_interface.h"
21 
22 namespace OHOS::Ace {
23 
24 class ACE_FORCE_EXPORT StorageProxy : public StorageInterface {
25 public:
26     ACE_EXPORT static StorageProxy* GetInstance();
27     void SetDelegate(std::unique_ptr<StorageInterface>&& delegate);
28     void SetDistributedDelegate(std::unique_ptr<StorageInterface>&& delegate);
29     RefPtr<Storage> GetStorage() const override;
30     RefPtr<Storage> GetStorage(const std::string& sessionId, std::function<void(const std::string&)>&& notifier,
31         const RefPtr<TaskExecutor>& taskExecutor) const override;
32     StorageProxy() = default;
33     ~StorageProxy() = default;
34 
35 private:
36     std::unique_ptr<StorageInterface> delegate_;
37     std::unique_ptr<StorageInterface> distributedDelegate_;
38     static StorageProxy* inst_;
39 };
40 
41 } // namespace OHOS::Ace
42 
43 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMMON_STORAGE_STORAGE_PROXY_H