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 UDMF_STORE_CACHE_H 17 #define UDMF_STORE_CACHE_H 18 19 #include "concurrent_map.h" 20 #include "executor_pool.h" 21 #include "store.h" 22 23 namespace OHOS { 24 namespace UDMF { 25 class StoreCache { 26 public: 27 std::shared_ptr<Store> GetStore(std::string intention); 28 static StoreCache &GetInstance(); 29 void SetThreadPool(std::shared_ptr<ExecutorPool> executors); 30 void CloseStores(); 31 void RemoveStore(const std::string &intention); 32 33 private: StoreCache()34 StoreCache() {} 35 ~StoreCache()36 ~StoreCache() {} 37 38 StoreCache(const StoreCache &obj) = delete; 39 StoreCache &operator=(const StoreCache &obj) = delete; 40 41 void GarbageCollect(); 42 static bool IsValidIntention(const std::string &intention); 43 44 ConcurrentMap<std::string, std::shared_ptr<Store>> stores_; 45 std::mutex taskMutex_; 46 ExecutorPool::TaskId taskId_ = ExecutorPool::INVALID_TASK_ID; 47 48 static constexpr int64_t INTERVAL = 1; // 1 min 49 std::shared_ptr<ExecutorPool> executorPool_; 50 }; 51 } // namespace UDMF 52 } // namespace OHOS 53 #endif // UDMF_STORE_CACHE_H 54