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//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#pragma once
#include "SubGraph.hpp"
#include <functional>
#include <memory>
namespace armnn
{
class Layer;
class Graph;
class SubGraphSelector final
{
public:
using SubGraphPtr = std::unique_ptr<SubGraph>;
using SubGraphs = std::vector<SubGraphPtr>;
using LayerSelectorFunction = std::function<bool(const Layer&)>;
/// Selects subgraphs from a graph based on the selector function and the algorithm.
/// Since the SubGraphs object returns modifiable pointers to the input and output slots of the graph:
/// 1) the graph/sub-graph cannot be const
/// 2) the caller needs to make sure that the SubGraphs lifetime is shorter than the parent graph's
static SubGraphs SelectSubGraphs(Graph& graph, const LayerSelectorFunction& selector);
static SubGraphs SelectSubGraphs(SubGraph& subGraph, const LayerSelectorFunction& selector);
private:
// this is a utility class, don't construct or copy
SubGraphSelector() = delete;
SubGraphSelector(const SubGraphSelector&) = delete;
SubGraphSelector & operator=(const SubGraphSelector&) = delete;
};
} // namespace armnn
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