mindspore2022/mindspore/ccsrc/cxx_api/graph/graph.cc

46 lines
2.2 KiB
C++

/**
* Copyright 2020 Huawei Technologies Co., Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "include/api/graph.h"
#include "cxx_api/graph/graph_data.h"
#include "utils/log_adapter.h"
namespace mindspore {
Graph::Graph() : graph_data_(nullptr) {}
Graph::Graph(const std::shared_ptr<GraphData> &graph_data) : graph_data_(graph_data) {}
Graph::Graph(std::shared_ptr<GraphData> &&graph_data) : graph_data_(graph_data) {}
Graph::~Graph() {}
Graph::Graph(std::nullptr_t) : graph_data_(nullptr) {}
/// \brief Overload the operator to determine if the graph model (the object pointed to by graph_data) fails to load.
/// If it fails to load, graph_data_==nullptr, and this method returns True.
/// Due to the possibility that the Graph object(this pointer) may be constant, and C++ rules dictate that only pointers to constants can be used to store the address of constant objects, the const keyword is used to modify the this pointer.
bool Graph::operator==(std::nullptr_t) const { return graph_data_ == nullptr; }
/// \brief Overload the operator to determine whether the graph model (the object pointed to by graph_data) is loaded successfully.
/// If it is loaded successfully, graph_data_ != nullptr, and this method returns True.
/// Due to the possibility that the Graph object(this pointer) may be constant, and C++ rules dictate that only pointers to constants can be used to store the address of constant objects, the const keyword is used to modify the this pointer.
bool Graph::operator!=(std::nullptr_t) const { return graph_data_ != nullptr; }
ModelType Graph::ModelType() const {
MS_EXCEPTION_IF_NULL(graph_data_);
return graph_data_->ModelType();
}
} // namespace mindspore