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 DISTRIBUTEDDATAMGR_CAPABILITY_META_DATA_H 17 #define DISTRIBUTEDDATAMGR_CAPABILITY_META_DATA_H 18 #include "serializable/serializable.h" 19 20 namespace OHOS::DistributedData { 21 class API_EXPORT CapMetaData final : public Serializable { 22 public: 23 // 1->2 add accountId to session 24 // 2->3 udmf and object add to session 25 static constexpr int32_t CURRENT_VERSION = 3; 26 static constexpr int32_t INVALID_VERSION = -1; 27 static constexpr int32_t ACCOUNT_VERSION = 2; 28 static constexpr int32_t UDMF_AND_OBJECT_VERSION = 3; 29 int32_t version = INVALID_VERSION; 30 std::string deviceId = ""; 31 32 API_EXPORT bool Marshal(json &node) const override; 33 API_EXPORT bool Unmarshal(const json &node) override; 34 }; 35 36 class CapMetaRow { 37 public: 38 static constexpr const char *KEY_PREFIX = "CapabilityMeta"; 39 API_EXPORT static std::vector<uint8_t> GetKeyFor(const std::string &key); 40 API_EXPORT static const std::string GetDeviceId(const std::string &key); 41 }; 42 } // namespace OHOS::DistributedData 43 #endif // DISTRIBUTEDDATAMGR_CAPABILITY_META_DATA_H 44