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 #ifndef UDMF_LIFECYCLE_POLICY_H 16 #define UDMF_LIFECYCLE_POLICY_H 17 18 #include <chrono> 19 #include <memory> 20 21 #include "store_cache.h" 22 #include "unified_key.h" 23 24 namespace OHOS { 25 namespace UDMF { 26 class LifeCyclePolicy { 27 public: 28 using Duration = std::chrono::steady_clock::duration; 29 static const Duration INTERVAL; 30 virtual ~LifeCyclePolicy() = default; 31 virtual Status DeleteOnGet(const UnifiedKey &key); 32 virtual Status DeleteOnStart(const std::string &intention); 33 virtual Status DeleteOnTimeout(const std::string &intention); 34 virtual Status GetTimeoutKeys( 35 const std::shared_ptr<Store> &store, Duration interval, std::vector<std::string> &timeoutKeys); 36 37 private: 38 static const std::string DATA_PREFIX; 39 StoreCache storeCache_; 40 }; 41 } // namespace UDMF 42 } // namespace OHOS 43 44 #endif // UDMF_LIFECYCLE_POLICY_H