PredicateBasedConnections.cpp

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#include "PredicateBasedConnections.h"
#include <iostream>
using std::cerr;
using std::endl;

#include <typeinfo>
using std::type_info;

PredicateBasedConnections::PredicateBasedConnections( shared_ptr<ConnectionDecisionPredicate> decision )
        : decision(decision) {
    /* NOOP */
}


PredicateBasedConnections::PredicateBasedConnections(shared_ptr<ConnectionDecisionPredicate> decision, MPI::Intracomm const& mpiComm)
        : decision(decision) {
    /* NOOP */
}

void PredicateBasedConnections::init(const SimObjectPopulation &srcPopulation, const SimObjectPopulation &dstPopulation) {
    decision->init( srcPopulation, dstPopulation, m_rnd_eng );
    src_popul = &srcPopulation;
    dst_popul = &dstPopulation;
}

void PredicateBasedConnections::reset(
    SimObject::ID::SortedVector::const_iterator src_begin,
    SimObject::ID::SortedVector::const_iterator src_end,
    SimObject::ID::SortedVector::const_iterator dst_begin,
    SimObject::ID::SortedVector::const_iterator dst_end) {

    curr_src_idx = 0;
    curr_dst_idx = -1;

    this->src_begin_it = src_begin;
    this->dst_begin_it = dst_begin;

    max_src_idx = src_end - src_begin_it;
    max_dst_idx = dst_end - dst_begin_it;

}

bool PredicateBasedConnections::next( pair<SimObject::ID, SimObject::ID> &conn_pair )
{
    last_conn_valid = false;

    size_t src, dst;

    do {
        //cerr << endl;

        if (++curr_dst_idx == max_dst_idx) {
            curr_dst_idx = 0;
            if (++curr_src_idx == max_src_idx)
                return false;
        }
        src = *(src_begin_it + curr_src_idx);
        dst = *(dst_begin_it + curr_dst_idx);

        //cerr << "src=" << src << ", dst=" << dst;

    }  while( !decision->decide( src, dst, m_rnd_eng ) );

    //cerr << " : True" << endl;

    conn_pair.first  = src_popul->getID(src);
    conn_pair.second = dst_popul->getID(dst);

    last_conn_idx.first = src;
    last_conn_idx.second = dst;

    last_conn_valid = true;

    return true;
}

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