forked from huawei/mindspore2022
84 lines
2.6 KiB
C++
84 lines
2.6 KiB
C++
/**
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* Copyright 2020 Huawei Technologies Co., Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "dataset/engine/gnn/local_node.h"
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#include <algorithm>
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#include <string>
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#include <utility>
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#include "dataset/engine/gnn/edge.h"
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namespace mindspore {
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namespace dataset {
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namespace gnn {
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LocalNode::LocalNode(NodeIdType id, NodeType type) : Node(id, type) {}
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Status LocalNode::GetFeatures(FeatureType feature_type, std::shared_ptr<Feature> *out_feature) {
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auto itr = features_.find(feature_type);
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if (itr != features_.end()) {
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*out_feature = itr->second;
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return Status::OK();
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} else {
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std::string err_msg = "Invalid feature type:" + std::to_string(feature_type);
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RETURN_STATUS_UNEXPECTED(err_msg);
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}
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}
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Status LocalNode::GetNeighbors(NodeType neighbor_type, int32_t samples_num, std::vector<NodeIdType> *out_neighbors) {
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std::vector<NodeIdType> neighbors;
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auto itr = neighbor_nodes_.find(neighbor_type);
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if (itr != neighbor_nodes_.end()) {
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if (samples_num == -1) {
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// Return all neighbors
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neighbors.resize(itr->second.size() + 1);
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neighbors[0] = id_;
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std::transform(itr->second.begin(), itr->second.end(), neighbors.begin() + 1,
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[](const std::shared_ptr<Node> node) { return node->id(); });
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} else {
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}
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} else {
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neighbors.push_back(id_);
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MS_LOG(DEBUG) << "No neighbors. node_id:" << id_ << " neighbor_type:" << neighbor_type;
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}
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*out_neighbors = std::move(neighbors);
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return Status::OK();
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}
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Status LocalNode::AddNeighbor(const std::shared_ptr<Node> &node) {
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auto itr = neighbor_nodes_.find(node->type());
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if (itr != neighbor_nodes_.end()) {
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itr->second.push_back(node);
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} else {
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neighbor_nodes_[node->type()] = {node};
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}
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return Status::OK();
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}
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Status LocalNode::UpdateFeature(const std::shared_ptr<Feature> &feature) {
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auto itr = features_.find(feature->type());
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if (itr != features_.end()) {
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RETURN_STATUS_UNEXPECTED("Feature already exists");
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} else {
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features_[feature->type()] = feature;
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return Status::OK();
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}
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}
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} // namespace gnn
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} // namespace dataset
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} // namespace mindspore
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