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_IR_CACHE_PRE_BUILT_DATASET_CACHE_H_ 17 #define MINDSPORE_CCSRC_MINDDATA_DATASET_ENGINE_IR_CACHE_PRE_BUILT_DATASET_CACHE_H_ 18 19 #include <memory> 20 #include <string> 21 #include <utility> 22 #include "minddata/dataset/engine/cache/cache_client.h" 23 #include "minddata/dataset/engine/datasetops/cache_op.h" 24 #include "minddata/dataset/engine/ir/cache/dataset_cache_impl.h" 25 #include "minddata/dataset/engine/ir/datasetops/source/samplers/samplers_ir.h" 26 27 namespace mindspore { 28 namespace dataset { 29 /// DatasetCache is the IR of CacheClient 30 class PreBuiltDatasetCache : public DatasetCacheImpl { 31 public: 32 /// \brief Constructor 33 /// \param cc a pre-built cache client PreBuiltDatasetCache(std::shared_ptr<CacheClient> cc)34 explicit PreBuiltDatasetCache(std::shared_ptr<CacheClient> cc) 35 : DatasetCacheImpl(cc->session_id(), cc->GetCacheMemSz(), cc->isSpill(), StringToChar(cc->GetHostname()), 36 cc->GetPort(), cc->GetNumConnections(), cc->GetPrefetchSize()) { 37 cache_client_ = std::move(cc); 38 } 39 40 ~PreBuiltDatasetCache() override = default; 41 42 /// Method to initialize the DatasetCache by creating an instance of a CacheClient 43 /// \return Status Error code 44 Status Build() override; 45 }; 46 } // namespace dataset 47 } // namespace mindspore 48 #endif // MINDSPORE_CCSRC_MINDDATA_DATASET_ENGINE_IR_CACHE_PRE_BUILT_DATASET_CACHE_H_ 49