ClusterAssociationAlgorithm.h

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#ifndef LAR_CLUSTER_ASSOCIATION_ALGORITHM_H
#define LAR_CLUSTER_ASSOCIATION_ALGORITHM_H 1
 
#include "Pandora/Algorithm.h"
 
#include <unordered_map>
 
namespace lar_content
{
 
class ClusterAssociationAlgorithm : public pandora::Algorithm
{
public:
    ClusterAssociationAlgorithm();
 
protected:
    virtual pandora::StatusCode Run();
    virtual pandora::StatusCode ReadSettings(const pandora::TiXmlHandle xmlHandle);
 
    class ClusterAssociation
    {
    public:
        pandora::ClusterSet m_forwardAssociations;  
        pandora::ClusterSet m_backwardAssociations; 
    };
 
    typedef std::unordered_map<const pandora::Cluster *, ClusterAssociation> ClusterAssociationMap;
 
    virtual void GetListOfCleanClusters(const pandora::ClusterList *const pClusterList, pandora::ClusterVector &clusterVector) const = 0;
 
    virtual void PopulateClusterAssociationMap(const pandora::ClusterVector &clusterVector, ClusterAssociationMap &clusterAssociationMap) const = 0;
 
    virtual bool IsExtremalCluster(
        const bool isForward, const pandora::Cluster *const pCurrentCluster, const pandora::Cluster *const pTestCluster) const = 0;
 
private:
    void UnambiguousPropagation(const pandora::Cluster *const pCluster, const bool isForward, ClusterAssociationMap &clusterAssociationMap) const;
 
    void AmbiguousPropagation(const pandora::Cluster *const pCluster, const bool isForward, ClusterAssociationMap &clusterAssociationMap) const;
 
    void UpdateForUnambiguousMerge(const pandora::Cluster *const pClusterToEnlarge, const pandora::Cluster *const pClusterToDelete,
        const bool isForwardMerge, ClusterAssociationMap &clusterAssociationMap) const;
 
    void UpdateForAmbiguousMerge(const pandora::Cluster *const pCluster, ClusterAssociationMap &clusterAssociationMap) const;
 
    void NavigateAlongAssociations(const ClusterAssociationMap &clusterAssociationMap, const pandora::Cluster *const pCluster,
        const bool isForward, const pandora::Cluster *&pExtremalCluster, pandora::ClusterSet &clusterSet) const;
 
    mutable bool m_mergeMade;
 
    bool m_resolveAmbiguousAssociations; 
};
 
} // namespace lar_content
 
#endif // #ifndef LAR_CLUSTER_ASSOCIATION_ALGORITHM_H