DegreeDistributionConnections.h

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#ifndef DEGREEDISTRIBUTIONCONNECTIONS_H
#define DEGREEDISTRIBUTIONCONNECTIONS_H

#include <ConnectionIterator.h>
#include "SimpleNonRepeatRandomNG.h"


class DegreeDistributionConnections : public ConnectionIterator {

    public:
        typedef enum {incoming, outgoing} DegreeType;


        DegreeDistributionConnections( RandomDistribution const& distribution, DegreeType degreeType);

        virtual ~DegreeDistributionConnections();

        virtual void init(const SimObjectPopulation &source, const SimObjectPopulation &destination);

        virtual void reset(SimObject::ID::SortedVector::const_iterator src_begin_it,
                           SimObject::ID::SortedVector::const_iterator src_end_it,
                           SimObject::ID::SortedVector::const_iterator dest_begin_it,
                           SimObject::ID::SortedVector::const_iterator dest_end_it);

        virtual bool next( pair<SimObject::ID, SimObject::ID> &connection );

        virtual size_t estimate() {
            return 0;
        };

    protected:

        RandomDistribution *dist;

        DegreeType degree_type;

        const SimObjectPopulation *src_popul;
        const SimObjectPopulation *dest_popul;

        unsigned curr_degree;
        unsigned curr_made_connections;

        SimObject::ID::SortedVector::const_iterator from_begin_it;

        unsigned from_seq_size;

        SimObject::ID::SortedVector::const_iterator curr_to_it;
        SimObject::ID::SortedVector::const_iterator to_end_it;

        SimpleNonRepeatRandomNG nonrepeat_rng;

};

#endif

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