Node.hpp

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*/
 
#ifndef _NODE_HPP_
#define _NODE_HPP_
 
#include "UblasVectorInclude.hpp"
 
#include <set>
#include <vector>
 
#include "ChasteSerialization.hpp"
#include "ChastePoint.hpp"
#include "NodeAttributes.hpp"
 
//#include <boost/serialization/vector.hpp>
//#include <boost/serialization/set.hpp>
 
template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
class AbstractTetrahedralMesh;
 
template<unsigned SPACE_DIM>
class Node
{
private:
 
    unsigned mIndex;
 
    c_vector<double, SPACE_DIM> mLocation = {};
 
    NodeAttributes<SPACE_DIM>* mpNodeAttributes;
 
    bool mIsBoundaryNode;
 
    bool mIsInternal;
 
    bool mIsDeleted;
 
    std::set<unsigned> mElementIndices;
 
    std::set<unsigned> mBoundaryElementIndices;
 
    friend class boost::serialization::access;
    friend class TestNode;
    template<class Archive>
    void serialize(Archive & archive, const unsigned int version)
    {
        //archive & mLocation; //earlier versions of boost are unable to do this. See #1709
//        archive & mIndex;
        archive & mpNodeAttributes;
//        archive & mIsBoundaryNode;
//        archive & mIsInternal;
//        archive & mIsDeleted;
//        archive & mElementIndices;
//        archive & mBoundaryElementIndices;
    }
 
    void CommonConstructor(unsigned index, bool isBoundaryNode);
 
    void ConstructNodeAttributes();
 
    void CheckForNodeAttributes() const;
 
public:
 
    Node(unsigned index, ChastePoint<SPACE_DIM> point, bool isBoundaryNode=false);
 
    Node(unsigned index, std::vector<double> coords, bool isBoundaryNode=false);
 
    Node(unsigned index, c_vector<double, SPACE_DIM> location, bool isBoundaryNode=false);
 
    Node(unsigned index, bool isBoundaryNode=false, double v1=0, double v2=0, double v3=0);
 
    Node(unsigned index,  double *location, bool isBoundaryNode=false);
 
    ~Node();
 
    void SetPoint(ChastePoint<SPACE_DIM> point);
 
    void SetIndex(unsigned index);
 
    void AddNodeAttribute(double attribute);
 
    void SetAsBoundaryNode(bool value=true);
 
    ChastePoint<SPACE_DIM> GetPoint() const;
 
    const c_vector<double, SPACE_DIM>& rGetLocation() const;
 
    c_vector<double, SPACE_DIM>& rGetModifiableLocation();
 
    unsigned GetIndex() const;
 
    bool IsBoundaryNode() const;
 
    void AddElement(unsigned index);
 
    void RemoveElement(unsigned index);
 
    void RemoveBoundaryElement(unsigned index);
 
    void AddBoundaryElement(unsigned index);
 
    void AddNeighbour(unsigned index);
 
    void ClearNeighbours();
 
    void RemoveDuplicateNeighbours();
 
    bool NeighboursIsEmpty();
 
    void SetNeighboursSetUp(bool flag);
 
    bool GetNeighboursSetUp();
 
    std::vector<unsigned>& rGetNeighbours();
 
    std::set<unsigned>& rGetContainingElementIndices();
 
    std::vector<double>& rGetNodeAttributes();
 
    unsigned GetNumNodeAttributes();
 
    bool HasNodeAttributes();
 
    std::set<unsigned>& rGetContainingBoundaryElementIndices();
 
    unsigned GetNumContainingElements() const;
 
    unsigned GetNumBoundaryElements() const;
 
    c_vector<double, SPACE_DIM>& rGetAppliedForce();
 
    void ClearAppliedForce();
 
    void AddAppliedForceContribution(const c_vector<double, SPACE_DIM>& rForceContribution);
 
    bool IsParticle();
 
    void SetIsParticle(bool isParticle);
 
    double GetRadius();
 
    void SetRadius(double radius);
 
    void MarkAsDeleted();
 
    bool IsDeleted() const;
 
    void MarkAsInternal();
 
    bool IsInternal() const;
 
    void SetRegion(unsigned region);
 
    unsigned GetRegion() const;
 
    class ContainingElementIterator
    {
    public:
        ContainingElementIterator(std::set<unsigned>::const_iterator indexIterator)
            : mIndexIterator(indexIterator)
        {}
        const unsigned& operator*() const
        {
            return *mIndexIterator;
        }
        bool operator!=(const ContainingElementIterator& rOther) const
        {
            return mIndexIterator != rOther.mIndexIterator;
        }
        bool operator==(const ContainingElementIterator& rOther) const
        {
            return !operator!=(rOther);
        }
        ContainingElementIterator& operator++()
        {
            ++mIndexIterator;
            return *this;
        }
    private:
        std::set<unsigned>::const_iterator mIndexIterator;  
    };
 
    ContainingElementIterator ContainingElementsBegin() const
    {
        return ContainingElementIterator(mElementIndices.begin());
    }
 
    ContainingElementIterator ContainingElementsEnd() const
    {
        return ContainingElementIterator(mElementIndices.end());
    }
 
    class ContainingBoundaryElementIterator
    {
    public:
        ContainingBoundaryElementIterator(std::set<unsigned>::const_iterator indexIterator)
            : mIndexIterator(indexIterator)
        {}
        const unsigned& operator*() const
        {
            return *mIndexIterator;
        }
        bool operator!=(const ContainingBoundaryElementIterator& rOther) const
        {
            return mIndexIterator != rOther.mIndexIterator;
        }
        bool operator==(const ContainingBoundaryElementIterator& rOther) const
        {
            return !operator!=(rOther);
        }
        ContainingBoundaryElementIterator& operator++()
        {
            ++mIndexIterator;
            return *this;
        }
    private:
        std::set<unsigned>::const_iterator mIndexIterator;  
    };
 
    ContainingBoundaryElementIterator ContainingBoundaryElementsBegin() const
    {
        return ContainingBoundaryElementIterator(mBoundaryElementIndices.begin());
    }
 
    ContainingBoundaryElementIterator ContainingBoundaryElementsEnd() const
    {
        return ContainingBoundaryElementIterator(mBoundaryElementIndices.end());
    }
};
 
#include "SerializationExportWrapper.hpp"
// Declare identifier for the serializer
EXPORT_TEMPLATE_CLASS_SAME_DIMS(Node)
 
namespace boost
{
namespace serialization
{
template<class Archive, unsigned SPACE_DIM>
inline void save_construct_data(
    Archive & ar, const Node<SPACE_DIM> * t, const unsigned int file_version)
{
 
    // Save data required to construct instance
    for (unsigned i = 0; i < SPACE_DIM; i++)
    {
        //we archive coordinates of mLocation one by one
        //this is because earlier version of boost (<1.40, I think) cannot archive c_vectors
        double coord = t->rGetLocation()[i];
        ar & coord;
    }
    unsigned index = t->GetIndex();
    ar << index;
 
    bool is_boundary = t->IsBoundaryNode();
    ar << is_boundary;
}
 
template<class Archive, unsigned SPACE_DIM>
inline void load_construct_data(
    Archive & ar, Node<SPACE_DIM> * t, const unsigned int file_version)
{
    // Retrieve data from archive required to construct new instance of Node
    c_vector<double,SPACE_DIM> location;
    for (unsigned i=0; i<SPACE_DIM; i++)
    {
        double coordinate;
        ar & coordinate;//resume coordinates one by one
        location[i] = coordinate;
    }
 
    unsigned index;
    ar >> index;
 
    bool is_boundary;
    ar >> is_boundary;
 
    // Invoke inplace constructor to initialise instance
    ::new(t)Node<SPACE_DIM>(index, location, is_boundary);
}
 
}
} // namespace ...
 
#endif //_NODE_HPP_