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//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#pragma once
#include "Layer.hpp"
#include <vector>
#include <unordered_set>
namespace armnn
{
///
/// The SubGraph class represents a subgraph of a Graph.
/// The data it holds, points to data held by layers of the Graph, so the
/// the contents of the SubGraph becomes invalid when the Layers are destroyed
/// or changed.
///
class SubGraph final
{
public:
using InputSlots = std::vector<InputSlot *>;
using OutputSlots = std::vector<OutputSlot *>;
using Layers = std::unordered_set<Layer *>;
SubGraph();
SubGraph(InputSlots && inputs,
OutputSlots && outputs,
Layers && layers);
const InputSlots & GetInputSlots() const;
const OutputSlots & GetOutputSlots() const;
const Layers & GetLayers() const;
const InputSlot* GetInputSlot(unsigned int index) const;
InputSlot* GetInputSlot(unsigned int index);
const OutputSlot* GetOutputSlot(unsigned int index) const;
OutputSlot* GetOutputSlot(unsigned int index);
unsigned int GetNumInputSlots() const;
unsigned int GetNumOutputSlots() const;
private:
InputSlots m_InputSlots;
OutputSlots m_OutputSlots;
Layers m_Layers;
};
} // namespace armnn
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