1 /** 2 * Copyright 2020 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_DATASET_ENGINE_IR_DATASETOPS_RENAME_NODE_H_ 18 #define MINDSPORE_CCSRC_MINDDATA_DATASET_ENGINE_IR_DATASETOPS_RENAME_NODE_H_ 19 20 #include <memory> 21 #include <string> 22 #include <vector> 23 24 #include "minddata/dataset/engine/ir/datasetops/dataset_node.h" 25 26 namespace mindspore { 27 namespace dataset { 28 29 class RenameNode : public DatasetNode { 30 public: 31 /// \brief Constructor 32 explicit RenameNode(std::shared_ptr<DatasetNode> child, const std::vector<std::string> &input_columns, 33 const std::vector<std::string> &output_columns); 34 35 /// \brief Destructor 36 ~RenameNode() = default; 37 38 /// \brief Node name getter 39 /// \return Name of the current node Name()40 std::string Name() const override { return kRenameNode; } 41 42 /// \brief Print the description 43 /// \param out - The output stream to write output to 44 void Print(std::ostream &out) const override; 45 46 /// \brief Copy the node to a new object 47 /// \return A shared pointer to the new copy 48 std::shared_ptr<DatasetNode> Copy() override; 49 50 /// \brief a base class override function to create the required runtime dataset op objects for this class 51 /// \param node_ops - A vector containing shared pointer to the Dataset Ops that this object will create 52 /// \return Status Status::OK() if build successfully 53 Status Build(std::vector<std::shared_ptr<DatasetOp>> *const node_ops) override; 54 55 /// \brief Parameters validation 56 /// \return Status Status::OK() if all the parameters are valid 57 Status ValidateParams() override; 58 59 /// \brief Getter functions InputColumns()60 const std::vector<std::string> &InputColumns() const { return input_columns_; } OutputColumns()61 const std::vector<std::string> &OutputColumns() const { return output_columns_; } 62 63 /// \brief Get the arguments of node 64 /// \param[out] out_json JSON string of all attributes 65 /// \return Status of the function 66 Status to_json(nlohmann::json *out_json) override; 67 68 /// \brief Function for read dataset operation from json 69 /// \param[in] json_obj The JSON object to be deserialized 70 /// \param[in] ds dataset node constructed 71 /// \param[out] result Deserialized dataset after the operation 72 /// \return Status The status code returned 73 static Status from_json(nlohmann::json json_obj, std::shared_ptr<DatasetNode> ds, 74 std::shared_ptr<DatasetNode> *result); 75 76 private: 77 std::vector<std::string> input_columns_; 78 std::vector<std::string> output_columns_; 79 }; 80 81 } // namespace dataset 82 } // namespace mindspore 83 #endif // MINDSPORE_CCSRC_MINDDATA_DATASET_ENGINE_IR_DATASETOPS_RENAME_NODE_H_ 84