forked from huawei/mindspore2022
71 lines
2.5 KiB
C++
71 lines
2.5 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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#ifndef DATASET_ENGINE_GNN_LOCAL_NODE_H_
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#define DATASET_ENGINE_GNN_LOCAL_NODE_H_
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#include <memory>
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#include <unordered_map>
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#include <vector>
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#include "dataset/util/status.h"
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#include "dataset/engine/gnn/node.h"
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#include "dataset/engine/gnn/feature.h"
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namespace mindspore {
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namespace dataset {
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namespace gnn {
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class LocalNode : public Node {
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public:
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// Constructor
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// @param NodeIdType id - node id
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// @param NodeType type - node type
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LocalNode(NodeIdType id, NodeType type);
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~LocalNode() = default;
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// Get the feature of a node
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// @param FeatureType feature_type - type of feature
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// @param std::shared_ptr<Feature> *out_feature - Returned feature
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// @return Status - The error code return
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Status GetFeatures(FeatureType feature_type, std::shared_ptr<Feature> *out_feature) override;
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// Get the neighbors of a node
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// @param NodeType neighbor_type - type of neighbor
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// @param int32_t samples_num - Number of neighbors to be acquired, if -1 means all neighbors are acquired
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// @param std::vector<NodeIdType> *out_neighbors - Returned neighbors id
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// @return Status - The error code return
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Status GetNeighbors(NodeType neighbor_type, int32_t samples_num, std::vector<NodeIdType> *out_neighbors) override;
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// Add neighbor of node
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// @param std::shared_ptr<Node> node -
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// @return Status - The error code return
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Status AddNeighbor(const std::shared_ptr<Node> &node) override;
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// Update feature of node
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// @param std::shared_ptr<Feature> feature -
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// @return Status - The error code return
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Status UpdateFeature(const std::shared_ptr<Feature> &feature) override;
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private:
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std::unordered_map<FeatureType, std::shared_ptr<Feature>> features_;
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std::unordered_map<NodeType, std::vector<std::shared_ptr<Node>>> neighbor_nodes_;
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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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#endif // DATASET_ENGINE_GNN_LOCAL_NODE_H_
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