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;
}
ElementPtr OsmApiDbSqlChangesetFileWriter::_getChangeElement(ConstElementPtr element)
{
ElementPtr changeElement;
switch (element->getElementType().getEnum())
{
case ElementType::Node:
changeElement.reset(new Node(*boost::dynamic_pointer_cast<const Node>(element)));
break;
case ElementType::Way:
changeElement.reset(new Way(*boost::dynamic_pointer_cast<const Way>(element)));
break;
case ElementType::Relation:
changeElement.reset(new Relation(*boost::dynamic_pointer_cast<const Relation>(element)));
break;
default:
throw HootException("Unknown element type");
}
return changeElement;
}
