1 /** 2 * Copyright 2019 Huawei Technologies Co., Ltd 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef MINDSPORE_CCSRC_MINDDATA_MINDRECORD_INCLUDE_SHARD_SCHEMA_H_ 18 #define MINDSPORE_CCSRC_MINDDATA_MINDRECORD_INCLUDE_SHARD_SCHEMA_H_ 19 20 #include <fstream> 21 #include <iostream> 22 #include <memory> 23 #include <string> 24 #include <vector> 25 #include "minddata/mindrecord/include/common/shard_pybind.h" 26 #include "minddata/mindrecord/include/common/shard_utils.h" 27 #include "minddata/mindrecord/include/shard_error.h" 28 #include "pybind11/pybind11.h" 29 #include "utils/log_adapter.h" 30 31 namespace mindspore { 32 namespace mindrecord { 33 class __attribute__((visibility("default"))) Schema { 34 public: 35 ~Schema() = default; 36 37 /// \brief obtain the json schema ,its description, its block fields 38 /// \param[in] desc the description of the schema 39 /// \param[in] schema the schema's json 40 static std::shared_ptr<Schema> Build(std::string desc, const json &schema); 41 42 /// \brief compare two schema to judge if they are equal 43 /// \param b another schema to be judged 44 /// \return true if they are equal,false if not 45 bool operator==(const Schema &b) const; 46 47 /// \brief get the schema and its description 48 /// \return the json format of the schema and its description 49 std::string GetDesc() const; 50 51 /// \brief get the schema and its description 52 /// \return the json format of the schema and its description 53 json GetSchema() const; 54 55 /// set the schema id 56 /// \param[in] id the id need to be set 57 void SetSchemaID(int64_t id); 58 59 /// get the schema id 60 /// \return the int64 schema id 61 int64_t GetSchemaID() const; 62 63 /// get the blob fields 64 /// \return the vector<string> blob fields 65 std::vector<std::string> GetBlobFields() const; 66 67 private: 68 Schema() = default; 69 static bool ValidateNumberShape(const json &it_value); 70 static bool Validate(json schema); 71 static std::vector<std::string> PopulateBlobFields(json schema); 72 73 std::string desc_; 74 json schema_; 75 std::vector<std::string> blob_fields_; 76 int64_t schema_id_ = -1; 77 }; 78 } // namespace mindrecord 79 } // namespace mindspore 80 81 #endif // MINDSPORE_CCSRC_MINDDATA_MINDRECORD_INCLUDE_SHARD_SCHEMA_H_ 82