1 /* 2 * Copyright (c) 2023 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 NATIVE_RDB_DELAY_NOTIFY_H 17 #define NATIVE_RDB_DELAY_NOTIFY_H 18 #include <map> 19 #include <string> 20 #include <functional> 21 #include <memory> 22 #include "rdb_types.h" 23 #include "executor_pool.h" 24 namespace OHOS::NativeRdb { 25 class DelayNotify { 26 public: 27 using Task = std::function<int(const DistributedRdb::RdbChangedData &)>; 28 ~DelayNotify(); 29 void SetExecutorPool(std::shared_ptr<ExecutorPool> pool); 30 void SetTask(Task task); 31 void UpdateNotify(const DistributedRdb::RdbChangedData &changedData); 32 void SetAutoSyncInterval(uint32_t autoSyncInterval); 33 private: 34 static constexpr uint32_t AUTO_SYNC_INTERVAL = 200; 35 ExecutorPool::TaskId delaySyncTaskId_ = ExecutorPool::INVALID_TASK_ID; 36 Task task_; 37 std::shared_ptr<ExecutorPool> pool_ = nullptr; 38 std::mutex mutex_; 39 DistributedRdb::RdbChangedData changedData_; 40 41 void StartTimer(); 42 void StopTimer(); 43 void ExecuteTask(); 44 void RestoreDefaultSyncInterval(); 45 uint32_t autoSyncInterval_ = AUTO_SYNC_INTERVAL; 46 }; 47 } 48 #endif // NATIVE_RDB_DELAY_NOTIFY_H