ElementPtr ElementSorter::readNextElement()
{
ElementPtr result;
ConstElementPtr cr;
if (_nodeIndex != _nodeIds.size())
{
cr = _source->getNode(_nodeIds[_nodeIndex++]);
}
else if (_wayIndex != _wayIds.size())
{
cr = _source->getWay(_wayIds[_wayIndex++]);
}
else if (_relationIndex != _relationIds.size())
{
cr = _source->getRelation(_relationIds[_relationIndex++]);
}
if (cr.get())
{
result.reset(cr->clone());
}
return result;
}
MatchClassification MultiaryScoreCache::getScore(ConstElementPtr e1, ConstElementPtr e2)
{
_lastExplainText.clear();
OsmMapPtr tmp(new OsmMap(_map->getProjection()));
tmp->addElement(ElementPtr(e1->clone()));
tmp->addElement(ElementPtr(e2->clone()));
boost::scoped_ptr<Match> m(
_matchCreator->createMatch(tmp, e1->getElementId(), e2->getElementId()));
// default to a hard miss.
MatchClassification result(0, 1, 0);
// if the MatchCreator returns a valid match class, use that as the score.
if (m)
{
result = m->getClassification();
_lastExplainText = m->explain();
}
return result;
}