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 FOUNDATION_ACE_ADAPTER_OHOS_CAPABILITY_DISTRIBUTED_STORAGE_DISTRIBUTED_STORAGE_H 17 #define FOUNDATION_ACE_ADAPTER_OHOS_CAPABILITY_DISTRIBUTED_STORAGE_DISTRIBUTED_STORAGE_H 18 19 #include <map> 20 21 #include "core/common/storage/storage.h" 22 23 namespace OHOS::ObjectStore { 24 class DistributedObject; 25 class ObjectWatcher; 26 } // namespace OHOS::ObjectStore 27 28 namespace OHOS::Ace { 29 30 using OnDataChangeCallback = std::function<void(const std::string&, const std::vector<std::string>&)>; 31 using ObjectStatusNotifyCallback = std::function<void(const std::string&, const std::string&)>; 32 33 class DistributedObjectPtr final { 34 public: 35 DistributedObjectPtr(const std::string& sessionId, OnDataChangeCallback&& onChange); 36 ~DistributedObjectPtr(); 37 38 OHOS::ObjectStore::DistributedObject* GetRawPtr(); IsInvalid()39 bool IsInvalid() const 40 { 41 return invalid_; 42 } 43 44 private: 45 std::string sessionId_; 46 OHOS::ObjectStore::DistributedObject* object_ = nullptr; 47 std::shared_ptr<OHOS::ObjectStore::ObjectWatcher> watcher_; 48 bool invalid_ = true; 49 }; 50 51 class DistributedStorage final : public Storage { 52 DECLARE_ACE_TYPE(DistributedStorage, Storage); 53 54 public: DistributedStorage(const std::string & sessionId,const RefPtr<TaskExecutor> & taskExecutor)55 explicit DistributedStorage(const std::string& sessionId, const RefPtr<TaskExecutor>& taskExecutor) 56 : Storage(taskExecutor), sessionId_(sessionId) 57 {} 58 ~DistributedStorage() override = default; 59 60 bool Init(std::function<void(const std::string&)>&& notifier); 61 62 void SetString(const std::string& key, const std::string& value) override; 63 std::string GetString(const std::string& key) override; 64 void SetDouble(const std::string& key, const double value) override; 65 bool GetDouble(const std::string& key, double& value) override; 66 void SetBoolean(const std::string& key, const bool value) override; 67 bool GetBoolean(const std::string& key, bool& value) override; 68 DataType GetDataType(const std::string& key) override; Clear()69 void Clear() override {} Delete(const std::string & key)70 void Delete(const std::string& key) override {} 71 void NotifyStatus(const std::string& status); 72 73 static void AddStorage(const std::string& sessionId, RefPtr<DistributedStorage> storage); 74 static void DeleteStorage(const std::string& sessionId); 75 static void OnStatusNotify(const std::string& sessionId, const std::string& status); 76 77 private: 78 std::unique_ptr<DistributedObjectPtr> objectPtr_; 79 std::string sessionId_; 80 std::function<void(const std::string&)> notifyCallback_; 81 82 static std::map<std::string, RefPtr<DistributedStorage>> storageMap_; 83 }; 84 85 } // namespace OHOS::Ace 86 87 #endif // FOUNDATION_ACE_ADAPTER_OHOS_CAPABILITY_DISTRIBUTED_STORAGE_DISTRIBUTED_STORAGE_H