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 #ifndef MINDSPORE_CCSRC_MINDDATA_DATASET_ENGINE_GNN_GRAPH_FEATURE_PARSER_H_ 17 #define MINDSPORE_CCSRC_MINDDATA_DATASET_ENGINE_GNN_GRAPH_FEATURE_PARSER_H_ 18 #include <memory> 19 #include <queue> 20 #include <string> 21 #include <unordered_map> 22 #include <unordered_set> 23 #include <vector> 24 25 #include "minddata/dataset/core/data_type.h" 26 #include "minddata/dataset/core/tensor.h" 27 #if !defined(_WIN32) && !defined(_WIN64) 28 #include "minddata/dataset/engine/gnn/graph_shared_memory.h" 29 #endif 30 #include "minddata/dataset/engine/gnn/feature.h" 31 #include "minddata/dataset/util/status.h" 32 #include "minddata/mindrecord/include/shard_column.h" 33 34 namespace mindspore { 35 namespace dataset { 36 namespace gnn { 37 38 using mindrecord::ShardColumn; 39 40 class GraphFeatureParser { 41 public: 42 explicit GraphFeatureParser(const ShardColumn &shard_column); 43 44 ~GraphFeatureParser() = default; 45 46 // @param std::string key - column name 47 // @param std::vector<uint8_t> &blob - contains data in blob field in mindrecord 48 // @param std::vector<int32_t> *ind - return value, list of feature index in int32_t 49 // @return Status - the status code 50 Status LoadFeatureIndex(const std::string &key, const std::vector<uint8_t> &blob, std::vector<int32_t> *ind); 51 52 // @param std::string &key - column name 53 // @param std::vector<uint8_t> &blob - contains data in blob field in mindrecord 54 // @param std::shared_ptr<Tensor> *tensor - return value feature tensor 55 // @return Status - the status code 56 Status LoadFeatureTensor(const std::string &key, const std::vector<uint8_t> &blob, std::shared_ptr<Tensor> *tensor); 57 #if !defined(_WIN32) && !defined(_WIN64) 58 Status LoadFeatureToSharedMemory(const std::string &key, const std::vector<uint8_t> &col_blob, 59 GraphSharedMemory *shared_memory, std::shared_ptr<Tensor> *out_tensor); 60 #endif 61 private: 62 std::unique_ptr<ShardColumn> shard_column_; 63 }; 64 } // namespace gnn 65 } // namespace dataset 66 } // namespace mindspore 67 #endif // MINDSPORE_CCSRC_MINDDATA_DATASET_ENGINE_GNN_GRAPH_FEATURE_PARSER_H_ 68