1 /* 2 * Copyright (c) 2021 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 DB_ABILITY_H 17 #define DB_ABILITY_H 18 19 #include <cstdint> 20 #include <set> 21 #include <map> 22 #include "macro_utils.h" 23 #include "parcel.h" 24 #include "sync_config.h" 25 26 namespace DistributedDB { 27 class DbAbility { 28 public: 29 DbAbility(); 30 DbAbility(const DbAbility &other); 31 DbAbility& operator=(const DbAbility &other); 32 ~DbAbility() = default; 33 34 bool operator==(const DbAbility &other) const; 35 // translate dbAbility_ to std::vector<uint64_t> 36 static int Serialize(Parcel &parcel, const DbAbility &curAbility); 37 38 static int DeSerialize(Parcel &parcel, DbAbility &curAbility); 39 40 static uint32_t CalculateLen(const DbAbility &curAbility); 41 42 void SetDbAbilityBuff(const std::vector<bool> &buff); 43 44 const std::vector<bool> &GetDbAbilityBuff() const; 45 46 uint32_t GetAbilityBitsLen() const; 47 48 uint8_t GetAbilityItem(const AbilityItem &abilityType) const; 49 50 int SetAbilityItem(const AbilityItem &abilityType, uint8_t data); 51 private: 52 constexpr static int SERIALIZE_BIT_SIZE = 64; // uint64_t bit size 53 54 std::vector<bool> dbAbility_; 55 std::set<AbilityItem> dbAbilityItemSet_; 56 }; 57 } // namespace DistributedDB 58 59 #endif // DB_ABILITY_H