find_global_nodal_entity_neighbours_process.h

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//    |  /           |
//    ' /   __| _` | __|  _ \   __|
//    . \  |   (   | |   (   |\__ `
//   _|\_\_|  \__,_|\__|\___/ ____/
//                   Multi-Physics
//
//  License:         BSD License
//                   Kratos default license: kratos/license.txt
//
//  Main authors:    Riccardo Rossi
//                   Suneth Warnakulasuriya
//
 
#pragma once
 
// System includes
#include <string>
#include <iostream>
#include <unordered_map>
 
// External includes
 
// Project includes
#include "includes/define.h"
#include "containers/model.h"
#include "processes/process.h"
#include "includes/kratos_parameters.h"
#include "includes/model_part.h"
#include "includes/global_pointer_variables.h"
 
namespace Kratos
{
 
 
 
 
template<class TContainerType>
class KRATOS_API(KRATOS_CORE) FindGlobalNodalEntityNeighboursProcess : public Process
{
public:
 
    using IndexType = std::size_t;
 
    using NodeType = ModelPart::NodeType;
 
    using EntityType = typename TContainerType::value_type;
 
    using GlobalEntityPointersVectorType = GlobalPointersVector<EntityType>;
 
    //contains id vs vector_of_neighbours
    using NeighbourMapType = std::unordered_map<int, GlobalPointersVector<EntityType>>;
 
    using NonLocalMapType =  std::unordered_map<int, NeighbourMapType>;
 
    using IdMapType = std::unordered_map<int, std::vector<int>>;
 
    KRATOS_CLASS_POINTER_DEFINITION(FindGlobalNodalEntityNeighboursProcess);
 
 
    FindGlobalNodalEntityNeighboursProcess(
        Model& rModel,
        Parameters Params);
 
    FindGlobalNodalEntityNeighboursProcess(
        ModelPart& rModelPart);
 
    FindGlobalNodalEntityNeighboursProcess(
        ModelPart& rModelPart,
        const Variable<GlobalEntityPointersVectorType>& rOutputVariable);
 
    ~FindGlobalNodalEntityNeighboursProcess() override = default;
 
 
    FindGlobalNodalEntityNeighboursProcess<EntityType>& operator=(FindGlobalNodalEntityNeighboursProcess<EntityType> const& rOther) = delete;
 
 
    void Execute() override;
 
    void Clear() override;
 
    KRATOS_DEPRECATED_MESSAGE("This is legacy version (use Clear)") void ClearNeighbours() { Clear(); }
 
    IdMapType GetNeighbourIds(const ModelPart::NodesContainerType& rNodes);
 
    const Parameters GetDefaultParameters() const override;
 
 
    std::string Info() const override
    {
        return "FindGlobalNodalEntityNeighboursProcess";
    }
 
    void PrintInfo(std::ostream& rOStream) const override
    {
        rOStream << "FindGlobalNodalEntityNeighboursProcess";
    }
 
    void PrintData(std::ostream& rOStream) const override
    {
    }
 
 
private:
 
    Model& mrModel;
 
    std::string mModelPartName;
 
    const Variable<GlobalEntityPointersVectorType>& mrOutputVariable;
 
 
    static TContainerType& GetContainer(ModelPart& rModelPart);
 
    static const Variable<GlobalEntityPointersVectorType>& GetDefaultOutputVariable();
 
 
}; // Class FindGlobalNodalEntityNeighboursProcess
 
 
 
template<class TContainerType>
inline std::istream& operator >> (std::istream& rIStream,
                                  FindGlobalNodalEntityNeighboursProcess<TContainerType>& rThis);
 
template<class TContainerType>
inline std::ostream& operator << (std::ostream& rOStream,
                                  const FindGlobalNodalEntityNeighboursProcess<TContainerType>& rThis)
{
    rThis.PrintInfo(rOStream);
    rOStream << std::endl;
    rThis.PrintData(rOStream);
 
    return rOStream;
}
 
}  // namespace Kratos.