ExtractCounts.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 "shamrock/solvergraph/INode.hpp"
#include "shamrock/solvergraph/IPatchDataLayerRefs.hpp"
#include "shamrock/solvergraph/Indexes.hpp"
 
namespace shamrock::solvergraph {
 
    class ExtractCounts : public INode {
 
        public:
        ExtractCounts() {}
 
        struct Edges {
            const IPatchDataLayerRefs &refs;
            Indexes<u32> &counts;
        };
 
        void set_edges(
            std::shared_ptr<IPatchDataLayerRefs> refs, std::shared_ptr<Indexes<u32>> counts) {
            __internal_set_ro_edges({refs});
            __internal_set_rw_edges({counts});
        }
 
        Edges get_edges() {
            return Edges{get_ro_edge<IPatchDataLayerRefs>(0), get_rw_edge<Indexes<u32>>(0)};
        }
 
        void _impl_evaluate_internal() {
            auto edges           = get_edges();
            edges.counts.indexes = edges.refs.get_const_refs().map<u32>(
                [](u64 id_patch, const patch::PatchDataLayer &pdat) {
                    return pdat.get_obj_cnt();
                });
        }
 
        std::string _impl_get_label() const { return "ExtractCounts"; }
 
        std::string _impl_get_tex() const { return "TODO"; }
    };
} // namespace shamrock::solvergraph