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 #include "minddata/dataset/include/dataset/datasets.h" 18 #include "minddata/dataset/engine/opt/pre/input_validation_pass.h" 19 20 namespace mindspore { 21 namespace dataset { 22 Visit(std::shared_ptr<DatasetNode> node,bool * const modified)23Status InputValidationPass::Visit(std::shared_ptr<DatasetNode> node, bool *const modified) { 24 *modified = false; 25 RETURN_IF_NOT_OK(node->ValidateParams()); 26 27 // A data source node must be a leaf node 28 if ((node->IsMappableDataSource() || node->IsNonMappableDataSource()) && !node->IsLeaf()) { 29 std::string err_msg = node->Name() + " is a data source and must be a leaf node."; 30 RETURN_STATUS_UNEXPECTED(err_msg); 31 } 32 33 // A non-leaf node must not be a data source node 34 if (node->IsNotADataSource() && node->IsLeaf()) { 35 std::string err_msg = node->Name() + " is a dataset operator and must not be a leaf node."; 36 RETURN_STATUS_UNEXPECTED(err_msg); 37 } 38 39 return Status::OK(); 40 } 41 } // namespace dataset 42 } // namespace mindspore 43