1 /* 2 * Copyright (C) 2024 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 OHOS_MEDIA_CLOUD_SYNC_DATABASE_H 16 #define OHOS_MEDIA_CLOUD_SYNC_DATABASE_H 17 18 #include <functional> 19 #include <map> 20 #include <string> 21 #include <vector> 22 #include <mutex> 23 #include <shared_mutex> 24 #include <list> 25 26 #include "mdk_record.h" 27 #include "mdk_result.h" 28 29 #define EXPORT __attribute__ ((visibility ("default"))) 30 31 namespace OHOS::Media::CloudSync { 32 struct MDKSchemaField { 33 std::string name; // 名称 34 MDKRecordFieldType type; // 数据类型 35 bool primary; // 是否为云端主键 36 bool nullable; // 是否可为空 37 bool sortable; // 是否支持排序 38 bool searchable; // 是否支持搜索 39 bool queryable; // 是否支持查询 40 MDKRecordFieldType listType; // 当type为list时，listType表示list的类型 41 std::string refRecordType; // 当type或listType为Reference类型时，该字段表示被引用的RecordType 42 }; 43 44 struct MDKSchemaRelation { 45 std::string relationName; 46 std::string recordType; 47 std::map<std::string, std::string> refFields; // 可选，源表字段和目标表字段映射关系 48 }; 49 50 struct MDKSchemaNode { 51 std::string recordType; // 云端表名 kind 52 std::string tableName; // 本地表名 53 std::map<std::string, MDKSchemaField> fields; 54 std::vector<std::string> dupCheckFields; // 端侧去重主键 55 std::string sharedTableName; // 本地分享表名（可选） 56 std::vector<MDKSchemaRelation> relations; // 关联关系 57 }; 58 59 struct MDKOrderTable { 60 std::string recordType; // 云端表名 kind 61 std::string tableName; // 本地表名 62 }; 63 64 struct MDKSchema { 65 int64_t version; // 应用使用的schema version 66 std::map<std::string, MDKSchemaNode> recordTypes; 67 std::string schemaData; // schema的原始json字符串 68 std::vector<MDKOrderTable> orderTables; // 与schema中顺序一致 69 }; 70 } // namespace OHOS::Media::CloudSync 71 #endif