NeighCache.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 "shambase/DistributedData.hpp"
#include "shamrock/solvergraph/IEdgeNamed.hpp"
#include "shamtree/TreeTraversal.hpp"
 
namespace shammodels::sph::solvergraph {
 
    class NeighCache : public shamrock::solvergraph::IEdgeNamed {
        public:
        using IEdgeNamed::IEdgeNamed;
 
        shambase::DistributedData<shamrock::tree::ObjectCache> neigh_cache;
 
        shamrock::tree::ObjectCache &get_cache(u64 id) { return neigh_cache.get(id); }
        const shamrock::tree::ObjectCache &get_cache(u64 id) const { return neigh_cache.get(id); }
 
        shamrock::tree::ObjectCache &get(u64 id) { return neigh_cache.get(id); }
        const shamrock::tree::ObjectCache &get(u64 id) const { return neigh_cache.get(id); }
 
        inline void check_sizes(const shambase::DistributedData<u32> &sizes) const {
            on_distributeddata_diff(
                neigh_cache,
                sizes,
                [](u64 id) {
                    shambase::throw_with_loc<std::runtime_error>(
                        "Missing neigh cache in distributed data at id " + std::to_string(id));
                },
                [](u64 id) {
                    // TODO
                },
                [](u64 id) {
                    shambase::throw_with_loc<std::runtime_error>(
                        "Extra neigh cache in distributed data at id " + std::to_string(id));
                });
        }
 
        inline void free_alloc() { neigh_cache = {}; }
    };
 
} // namespace shammodels::sph::solvergraph