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 OHOS_DISTRIBUTED_DATA_SERVICES_FRAMEWORK_CLOUD_SCHEMA_META_H 17 #define OHOS_DISTRIBUTED_DATA_SERVICES_FRAMEWORK_CLOUD_SCHEMA_META_H 18 #include "serializable/serializable.h" 19 namespace OHOS::DistributedData { 20 struct API_EXPORT Field final : public Serializable { 21 std::string colName; 22 std::string alias; 23 int32_t type = 0; 24 bool primary = false; 25 bool nullable = true; 26 bool Marshal(json &node) const override; 27 bool Unmarshal(const json &node) override; 28 }; 29 30 struct API_EXPORT Table final : public Serializable { 31 std::string name; 32 std::string sharedTableName; 33 std::string alias; 34 std::vector<Field> fields; 35 bool Marshal(json &node) const override; 36 bool Unmarshal(const json &node) override; 37 }; 38 39 struct API_EXPORT Database final : public Serializable { 40 std::string name = ""; 41 std::string alias; 42 std::vector<Table> tables; 43 std::vector<std::string> GetTableNames() const; 44 bool Marshal(json &node) const override; 45 bool Unmarshal(const json &node) override; 46 }; 47 48 class API_EXPORT SchemaMeta final : public Serializable { 49 public: 50 using Database = Database; 51 using Table = Table; 52 using Field = Field; 53 static constexpr const char *DELETE_FIELD = "#_deleted"; 54 static constexpr const char *GID_FIELD = "#_gid"; 55 static constexpr const char *CREATE_FIELD = "#_createTime"; 56 static constexpr const char *MODIFY_FIELD = "#_modifyTime"; 57 static constexpr const char *CURSOR_FIELD = "#_cursor"; 58 static constexpr const char *ERROR_FIELD = "#_error"; 59 static constexpr const char *VERSION_FIELD = "#_version"; 60 static constexpr const char *REFERENCE_FIELD = "#_reference"; 61 static constexpr const char *CLOUD_OWNER = "cloud_owner"; 62 static constexpr const char *CLOUD_PRIVILEGE = "cloud_privilege"; 63 static constexpr const char *SHARING_RESOURCE = "sharing_resource"; 64 int32_t version = 0; 65 std::string bundleName; 66 std::vector<Database> databases; 67 68 bool Marshal(json &node) const override; 69 bool Unmarshal(const json &node) override; 70 bool IsValid() const; 71 Database GetDataBase(const std::string &storeId); 72 }; 73 } // namespace OHOS::DistributedData 74 #endif // OHOS_DISTRIBUTED_DATA_SERVICES_FRAMEWORK_CLOUD_SCHEMA_META_H 75