/**
* This method will either let the transport filter if that is possible or
* forward to getNodes and return the names of the nodes found there.,
*
* @param NodeInterface $node
* @param string|array $nameFilter
* @param string|array $typeFilter
*
* @return ArrayIterator
*/
public function filterChildNodeNamesByType(NodeInterface $node, $nameFilter, $typeFilter)
{
if ($this->transport instanceof NodeTypeFilterInterface) {
return $this->transport->filterChildNodeNamesByType($node->getPath(), $node->getNodeNames($nameFilter), $typeFilter);
}
// fallback: get the actual nodes and let that filter. this is expensive.
return new ArrayIterator(array_keys($node->getNodes($nameFilter, $typeFilter)->getArrayCopy()));
}
