1 /** 2 * Copyright 2020-2021 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_KERNELS_IR_TENSOR_OPERATION_H_ 18 #define MINDSPORE_CCSRC_MINDDATA_DATASET_KERNELS_IR_TENSOR_OPERATION_H_ 19 20 #include <memory> 21 #include <string> 22 23 #include "minddata/dataset/kernels/tensor_op.h" 24 #include "minddata/dataset/util/status.h" 25 26 namespace mindspore { 27 namespace dataset { 28 // Abstract class to represent a dataset in the data pipeline. 29 class TensorOperation : public std::enable_shared_from_this<TensorOperation> { 30 public: 31 /// \brief Constructor TensorOperation()32 TensorOperation() : random_op_(false) {} 33 34 /// \brief Constructor TensorOperation(bool random)35 explicit TensorOperation(bool random) : random_op_(random) {} 36 37 /// \brief Destructor 38 ~TensorOperation() = default; 39 40 /// \brief Pure virtual function to convert a TensorOperation class into a runtime TensorOp object. 41 /// \return shared pointer to the newly created TensorOp. 42 virtual std::shared_ptr<TensorOp> Build() = 0; 43 ValidateParams()44 virtual Status ValidateParams() { return Status::OK(); } 45 46 virtual std::string Name() const = 0; 47 48 /// \brief Check whether the operation is deterministic. 49 /// \return true if this op is a random op (returns non-deterministic result e.g. RandomCrop) IsRandomOp()50 bool IsRandomOp() const { return random_op_; } 51 to_json(nlohmann::json * out_json)52 virtual Status to_json(nlohmann::json *out_json) { return Status::OK(); } 53 54 protected: 55 bool random_op_; 56 }; 57 } // namespace dataset 58 } // namespace mindspore 59 #endif // MINDSPORE_CCSRC_MINDDATA_DATASET_KERNELS_IR_TENSOR_OPERATION_H_ 60