compute_neighbour_list_functor.h

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//    |  /           |
//    ' /   __| _` | __|  _ \   __|
//    . \  |   (   | |   (   |\__ `
//   _|\_\_|  \__,_|\__|\___/ ____/
//                   Multi-Physics
//
//  License:         BSD License
//                   Kratos default license: kratos/license.txt
//
//  Main authors:    Riccardo Rossi
//
 
#if !defined(KRATOS_NEIGHBOUR_LIST_FUNCTOR_H_INCLUDED )
#define  KRATOS_NEIGHBOUR_LIST_FUNCTOR_H_INCLUDED
 
 
// System includes
#include <string>
#include <iostream>
 
 
// External includes
 
 
// Project includes
#include "includes/define.h"
#include "utilities/global_pointer_utilities.h"
 
namespace Kratos
{
 
 
 
 
 
 
 
template< class TContainerType, class TVariableType >
class ComputeNeighbourListFunctor
{
public:
 
    KRATOS_CLASS_POINTER_DEFINITION(ComputeNeighbourListFunctor);
 
 
    ComputeNeighbourListFunctor(
            const TContainerType& rContainer,
            const TVariableType& rVar
            
            )
            : mrContainer(rContainer), mrVariable(rVar)
    {}
 
    virtual ~ComputeNeighbourListFunctor(){}
 
    GlobalPointersVector< typename TVariableType::Type::data_type > operator()(const DataCommunicator& rComm) const
    {
        GlobalPointersVector<typename TVariableType::Type::data_type> gp_list;
        for(auto& item : mrContainer)
        {
            auto& neighbours = item.GetValue(mrVariable);
            for(auto& gp : neighbours.GetContainer())
                gp_list.push_back(gp);
        }
        gp_list.Unique();
        return gp_list;
    }
 
 
 
 
 
 
 
 
 
    virtual std::string Info() const
    {
    std::stringstream buffer;
    buffer << "ComputeNeighbourListFunctor" ;
    return buffer.str();
    }
 
    virtual void PrintInfo(std::ostream& rOStream) const {rOStream << "ComputeNeighbourListFunctor";}
 
    virtual void PrintData(std::ostream& rOStream) const {}
 
 
 
 
protected:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
private:
 
 
    const TContainerType& mrContainer;
    const TVariableType& mrVariable; //note that A REFERENCE is stored
 
 
 
 
 
 
 
 
 
 
 
 
}; // Class ComputeNeighbourListFunctor
 
 
 
 
 
 
template<class TContainerType, class TVariableType>
inline std::istream& operator >> (std::istream& rIStream,
                ComputeNeighbourListFunctor<TContainerType, TVariableType>& rThis)
{return rIStream;}
 
template<class TContainerType, class TVariableType>
inline std::ostream& operator << (std::ostream& rOStream,
                const ComputeNeighbourListFunctor<TContainerType, TVariableType>& rThis)
{
    rThis.PrintInfo(rOStream);
    rOStream << std::endl;
    rThis.PrintData(rOStream);
 
    return rOStream;
}
 
 
}  // namespace Kratos.
 
#endif // KRATOS_NEIGHBOUR_LIST_FUNCTOR_H_INCLUDED  defined