1 /* Copyright 2019 The TensorFlow Authors. All Rights Reserved. 2 3 Licensed under the Apache License, Version 2.0 (the "License"); 4 you may not use this file except in compliance with the License. 5 You may obtain a copy of the License at 6 7 http://www.apache.org/licenses/LICENSE-2.0 8 9 Unless required by applicable law or agreed to in writing, software 10 distributed under the License is distributed on an "AS IS" BASIS, 11 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 See the License for the specific language governing permissions and 13 limitations under the License. 14 ==============================================================================*/ 15 #ifndef TENSORFLOW_CORE_KERNELS_DATA_RANGE_DATASET_OP_H_ 16 #define TENSORFLOW_CORE_KERNELS_DATA_RANGE_DATASET_OP_H_ 17 18 #include "tensorflow/core/framework/dataset.h" 19 20 namespace tensorflow { 21 namespace data { 22 23 class RangeDatasetOp : public DatasetOpKernel { 24 public: 25 static constexpr const char* const kDatasetType = "Range"; 26 static constexpr const char* const kStart = "start"; 27 static constexpr const char* const kStop = "stop"; 28 static constexpr const char* const kStep = "step"; 29 static constexpr const char* const kOutputTypes = "output_types"; 30 static constexpr const char* const kOutputShapes = "output_shapes"; 31 32 explicit RangeDatasetOp(OpKernelConstruction* ctx); 33 34 protected: 35 void MakeDataset(OpKernelContext* ctx, DatasetBase** output) override; 36 37 private: 38 class Dataset; 39 class RangeSplitProvider; 40 DataTypeVector output_types_; 41 }; 42 43 } // namespace data 44 } // namespace tensorflow 45 46 #endif // TENSORFLOW_CORE_KERNELS_DATA_RANGE_DATASET_OP_H_ 47