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_CALLBACK_PARAM_H 18 #define MINDSPORE_CCSRC_MINDDATA_DATASET_CALLBACK_PARAM_H 19 20 #include <nlohmann/json.hpp> 21 22 namespace mindspore { 23 namespace dataset { 24 25 /// Callback Param is the object a DatasetOp uses to pass run-time information to user defined function. 26 /// This is a prototype for now, more fields will be added 27 class CallbackParam { 28 public: CallbackParam(int64_t epoch_num,int64_t cur_epoch_step,int64_t total_step_num)29 CallbackParam(int64_t epoch_num, int64_t cur_epoch_step, int64_t total_step_num) 30 : cur_epoch_num_(epoch_num), cur_epoch_step_num_(cur_epoch_step), cur_step_num_(total_step_num) {} 31 32 ~CallbackParam() = default; 33 34 // these are constant public fields for easy access and consistency with python cb_param 35 // the names and orders are consistent with batchInfo 36 const int64_t cur_epoch_num_; // current epoch 37 const int64_t cur_epoch_step_num_; // step number of the current epoch 38 const int64_t cur_step_num_; // step number since the first row 39 }; 40 } // namespace dataset 41 } // namespace mindspore 42 #endif // MINDSPORE_CCSRC_MINDDATA_DATASET_CALLBACK_PARAM_H 43