/**
* Decorates a collection of entities as Nodes
*
* @param Traversable|array $input
* @return Traversable|array
*/
public function getNodes($input)
{
if ($input instanceof PersistentCollection) {
// Return instance of ArrayCollection instead of PersistentCollection
$hm = $this;
return $input->unwrap()->map(function ($node) use($hm) {
return $hm->getNode($node);
});
} elseif (is_array($input) || $input instanceof Traversable) {
foreach ($input as $key => $entity) {
$input[$key] = $this->getNode($entity);
}
return $input;
}
throw new \InvalidArgumentException('Input to getNodes should be a PersistentCollection or a ' . 'Traversable/array, ' . gettype($input) . ' provided.');
}
