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_MINDRECORD_INCLUDE_SHARD_SEQUENTIAL_SAMPLE_H_ 18 #define MINDSPORE_CCSRC_MINDDATA_MINDRECORD_INCLUDE_SHARD_SEQUENTIAL_SAMPLE_H_ 19 20 #include <memory> 21 #include <string> 22 #include <utility> 23 #include <vector> 24 #include "minddata/mindrecord/include/shard_sample.h" 25 26 namespace mindspore { 27 namespace mindrecord { 28 class MINDRECORD_API ShardSequentialSample : public ShardSample { 29 public: 30 ShardSequentialSample(int64_t n, int64_t offset); 31 32 ShardSequentialSample(float per, float per_offset); 33 ~ShardSequentialSample()34 ~ShardSequentialSample() override{}; 35 36 Status Execute(ShardTaskList &tasks) override; 37 38 int64_t GetNumSamples(int64_t dataset_size, int64_t num_classes) override; 39 40 private: 41 int64_t offset_; 42 float per_; 43 float per_offset_; 44 }; 45 } // namespace mindrecord 46 } // namespace mindspore 47 48 #endif // MINDSPORE_CCSRC_MINDDATA_MINDRECORD_INCLUDE_SHARD_SEQUENTIAL_SAMPLE_H_ 49