ExchangeGhostLayer.hpp

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// -------------------------------------------------------//
//
// SHAMROCK code for hydrodynamics
// Copyright (c) 2021-2026 Timothée David--Cléris <tim.shamrock@proton.me>
// SPDX-License-Identifier: CeCILL Free Software License Agreement v2.1
// Shamrock is licensed under the CeCILL 2.1 License, see LICENSE for more information
//
// -------------------------------------------------------//
 
#pragma once
 
#include "shamalgs/collective/distributedDataComm.hpp"
#include "shamrock/solvergraph/INode.hpp"
#include "shamrock/solvergraph/PatchDataLayerDDShared.hpp"
#include "shamrock/solvergraph/RankGetter.hpp"
#include "shamrock/solvergraph/ScalarsEdge.hpp"
 
namespace shamrock::solvergraph {
 
    class ExchangeGhostLayer : public shamrock::solvergraph::INode {
        shamalgs::collective::DDSCommCache cache;
        std::shared_ptr<shamrock::patch::PatchDataLayerLayout> ghost_layer_layout;
 
        public:
        ExchangeGhostLayer(
            std::shared_ptr<shamrock::patch::PatchDataLayerLayout> ghost_layer_layout)
            : ghost_layer_layout(std::move(ghost_layer_layout)) {}
 
#define NODE_EXCHANGE_GHOST_LAYER_EDGES(X_RO, X_RW)                                                \
    /* input */                                                                                    \
    X_RO(shamrock::solvergraph::RankGetter, rank_owner)                                            \
    /* output */                                                                                   \
    X_RW(shamrock::solvergraph::PatchDataLayerDDShared, ghost_layer)
 
        EXPAND_NODE_EDGES(NODE_EXCHANGE_GHOST_LAYER_EDGES)
#undef NODE_EXCHANGE_GHOST_LAYER_EDGES
 
        void _impl_evaluate_internal();
 
        inline virtual std::string _impl_get_label() const { return "ExchangeGhostLayer"; };
 
        virtual std::string _impl_get_tex() const;
    };
} // namespace shamrock::solvergraph