LArOverlapTensor.h

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#ifndef LAR_OVERLAP_TENSOR_H
#define LAR_OVERLAP_TENSOR_H 1
 
#include "Pandora/PandoraInternal.h"
 
#include <unordered_map>
#include <vector>
 
namespace lar_content
{
 
template <typename T>
class OverlapTensor
{
public:
    typedef T OverlapResult;
 
    class Element
    {
    public:
        Element(const pandora::Cluster *const pClusterU, const pandora::Cluster *const pClusterV, const pandora::Cluster *const pClusterW,
            const OverlapResult &overlapResult);
 
        const pandora::Cluster *GetCluster(const pandora::HitType hitType) const;
 
        const pandora::Cluster *GetClusterU() const;
 
        const pandora::Cluster *GetClusterV() const;
 
        const pandora::Cluster *GetClusterW() const;
 
        const OverlapResult &GetOverlapResult() const;
 
        bool operator<(const Element &rhs) const;
 
    private:
        const pandora::Cluster *m_pClusterU; 
        const pandora::Cluster *m_pClusterV; 
        const pandora::Cluster *m_pClusterW; 
        OverlapResult m_overlapResult;       
    };
 
    typedef std::vector<Element> ElementList;
 
    void GetUnambiguousElements(const bool ignoreUnavailable, ElementList &elementList) const;
 
    bool DefaultAmbiguityFunction(const pandora::ClusterList &clusterListU, const pandora::ClusterList &clusterListV,
        const pandora::ClusterList &clusterListW, const pandora::Cluster *&pClusterU, const pandora::Cluster *&pClusterV,
        const pandora::Cluster *&pClusterW) const;
 
    void GetNConnections(const pandora::Cluster *const pCluster, const bool ignoreUnavailable, unsigned int &nU, unsigned int &nV, unsigned int &nW) const;
 
    void GetConnectedElements(const pandora::Cluster *const pCluster, const bool ignoreUnavailable, ElementList &elementList) const;
 
    void GetConnectedElements(const pandora::Cluster *const pCluster, const bool ignoreUnavailable, ElementList &elementList,
        unsigned int &nU, unsigned int &nV, unsigned int &nW) const;
 
    typedef std::unordered_map<const pandora::Cluster *, pandora::ClusterList> ClusterNavigationMap;
    typedef std::unordered_map<const pandora::Cluster *, OverlapResult> OverlapList;
    typedef std::unordered_map<const pandora::Cluster *, OverlapList> OverlapMatrix;
    typedef std::unordered_map<const pandora::Cluster *, OverlapMatrix> TheTensor;
 
    typedef typename TheTensor::const_iterator const_iterator;
 
    const_iterator begin() const;
 
    const_iterator end() const;
 
    void GetSortedKeyClusters(pandora::ClusterVector &sortedKeyClusters) const;
 
    const OverlapResult &GetOverlapResult(
        const pandora::Cluster *const pClusterU, const pandora::Cluster *const pClusterV, const pandora::Cluster *const pClusterW) const;
 
    const OverlapList &GetOverlapList(const pandora::Cluster *const pClusterU, const pandora::Cluster *const pClusterV) const;
 
    const OverlapMatrix &GetOverlapMatrix(const pandora::Cluster *const pClusterU) const;
 
    const ClusterNavigationMap &GetClusterNavigationMapUV() const;
 
    const ClusterNavigationMap &GetClusterNavigationMapVW() const;
 
    const ClusterNavigationMap &GetClusterNavigationMapWU() const;
 
    void SetOverlapResult(const pandora::Cluster *const pClusterU, const pandora::Cluster *const pClusterV,
        const pandora::Cluster *const pClusterW, const OverlapResult &overlapResult);
 
    void ReplaceOverlapResult(const pandora::Cluster *const pClusterU, const pandora::Cluster *const pClusterV,
        const pandora::Cluster *const pClusterW, const OverlapResult &overlapResult);
 
    void RemoveCluster(const pandora::Cluster *const pCluster);
 
    void Clear();
 
private:
    void GetConnectedElements(const pandora::Cluster *const pCluster, const bool ignoreUnavailable, ElementList &elementList,
        pandora::ClusterList &clusterListU, pandora::ClusterList &clusterListV, pandora::ClusterList &clusterListW) const;
 
    void ExploreConnections(const pandora::Cluster *const pCluster, const bool ignoreUnavailable, pandora::ClusterList &clusterListU,
        pandora::ClusterList &clusterListV, pandora::ClusterList &clusterListW) const;
 
    TheTensor m_overlapTensor;                     
    ClusterNavigationMap m_clusterNavigationMapUV; 
    ClusterNavigationMap m_clusterNavigationMapVW; 
    ClusterNavigationMap m_clusterNavigationMapWU; 
};
 
//------------------------------------------------------------------------------------------------------------------------------------------
 
template <typename T>
inline void OverlapTensor<T>::GetNConnections(
    const pandora::Cluster *const pCluster, const bool ignoreUnavailable, unsigned int &nU, unsigned int &nV, unsigned int &nW) const
{
    ElementList elementList;
    this->GetConnectedElements(pCluster, ignoreUnavailable, elementList, nU, nV, nW);
}
 
//------------------------------------------------------------------------------------------------------------------------------------------
 
template <typename T>
inline void OverlapTensor<T>::GetConnectedElements(const pandora::Cluster *const pCluster, const bool ignoreUnavailable, ElementList &elementList) const
{
    unsigned int nU(0), nV(0), nW(0);
    this->GetConnectedElements(pCluster, ignoreUnavailable, elementList, nU, nV, nW);
}
 
//------------------------------------------------------------------------------------------------------------------------------------------
 
template <typename T>
inline typename OverlapTensor<T>::const_iterator OverlapTensor<T>::begin() const
{
    return m_overlapTensor.begin();
}
 
//------------------------------------------------------------------------------------------------------------------------------------------
 
template <typename T>
inline typename OverlapTensor<T>::const_iterator OverlapTensor<T>::end() const
{
    return m_overlapTensor.end();
}
 
//------------------------------------------------------------------------------------------------------------------------------------------
 
template <typename T>
inline const typename OverlapTensor<T>::OverlapResult &OverlapTensor<T>::GetOverlapResult(
    const pandora::Cluster *const pClusterU, const pandora::Cluster *const pClusterV, const pandora::Cluster *const pClusterW) const
{
    const OverlapList &overlapList(this->GetOverlapList(pClusterU, pClusterV));
    typename OverlapList::const_iterator iter = overlapList.find(pClusterW);
 
    if (overlapList.end() == iter)
        throw pandora::StatusCodeException(pandora::STATUS_CODE_NOT_FOUND);
 
    return iter->second;
}
 
//------------------------------------------------------------------------------------------------------------------------------------------
 
template <typename T>
inline const typename OverlapTensor<T>::OverlapList &OverlapTensor<T>::GetOverlapList(
    const pandora::Cluster *const pClusterU, const pandora::Cluster *const pClusterV) const
{
    const OverlapMatrix &overlapMatrix(this->GetOverlapMatrix(pClusterU));
    typename OverlapMatrix::const_iterator iter = overlapMatrix.find(pClusterV);
 
    if (overlapMatrix.end() == iter)
        throw pandora::StatusCodeException(pandora::STATUS_CODE_NOT_FOUND);
 
    return iter->second;
}
 
//------------------------------------------------------------------------------------------------------------------------------------------
 
template <typename T>
inline const typename OverlapTensor<T>::OverlapMatrix &OverlapTensor<T>::GetOverlapMatrix(const pandora::Cluster *const pClusterU) const
{
    typename TheTensor::const_iterator iter = m_overlapTensor.find(pClusterU);
 
    if (m_overlapTensor.end() == iter)
        throw pandora::StatusCodeException(pandora::STATUS_CODE_NOT_FOUND);
 
    return iter->second;
}
 
//------------------------------------------------------------------------------------------------------------------------------------------
 
template <typename T>
inline const typename OverlapTensor<T>::ClusterNavigationMap &OverlapTensor<T>::GetClusterNavigationMapUV() const
{
    return m_clusterNavigationMapUV;
}
 
//------------------------------------------------------------------------------------------------------------------------------------------
 
template <typename T>
inline const typename OverlapTensor<T>::ClusterNavigationMap &OverlapTensor<T>::GetClusterNavigationMapVW() const
{
    return m_clusterNavigationMapVW;
}
 
//------------------------------------------------------------------------------------------------------------------------------------------
 
template <typename T>
inline const typename OverlapTensor<T>::ClusterNavigationMap &OverlapTensor<T>::GetClusterNavigationMapWU() const
{
    return m_clusterNavigationMapWU;
}
 
//------------------------------------------------------------------------------------------------------------------------------------------
 
template <typename T>
inline void OverlapTensor<T>::Clear()
{
    m_overlapTensor.clear();
    m_clusterNavigationMapUV.clear();
    m_clusterNavigationMapVW.clear();
    m_clusterNavigationMapWU.clear();
}
 
//------------------------------------------------------------------------------------------------------------------------------------------
//------------------------------------------------------------------------------------------------------------------------------------------
 
template <typename T>
inline OverlapTensor<T>::Element::Element(const pandora::Cluster *const pClusterU, const pandora::Cluster *const pClusterV,
    const pandora::Cluster *const pClusterW, const OverlapResult &overlapResult) :
    m_pClusterU(pClusterU),
    m_pClusterV(pClusterV),
    m_pClusterW(pClusterW),
    m_overlapResult(overlapResult)
{
}
 
//------------------------------------------------------------------------------------------------------------------------------------------
 
template <typename T>
inline const pandora::Cluster *OverlapTensor<T>::Element::GetClusterU() const
{
    return m_pClusterU;
}
 
//------------------------------------------------------------------------------------------------------------------------------------------
 
template <typename T>
inline const pandora::Cluster *OverlapTensor<T>::Element::GetClusterV() const
{
    return m_pClusterV;
}
 
//------------------------------------------------------------------------------------------------------------------------------------------
 
template <typename T>
inline const pandora::Cluster *OverlapTensor<T>::Element::GetClusterW() const
{
    return m_pClusterW;
}
 
//------------------------------------------------------------------------------------------------------------------------------------------
 
template <typename T>
inline const typename OverlapTensor<T>::OverlapResult &OverlapTensor<T>::Element::GetOverlapResult() const
{
    return m_overlapResult;
}
 
//------------------------------------------------------------------------------------------------------------------------------------------
 
template <typename T>
bool OverlapTensor<T>::Element::operator<(const Element &rhs) const
{
    if (this == &rhs)
        return false;
 
    return (this->GetOverlapResult() < rhs.GetOverlapResult());
}
 
} // namespace lar_content
 
#endif // #ifndef LAR_OVERLAP_TENSOR_H