/**
* @param Storage $storage
*
* @return Item
*/
public function setStorage(Storage $storage = null)
{
if ($this->storage !== $storage) {
// romove link on this item for old storage
if ($this->storage instanceof Storage) {
$tmp = $this->storage;
$this->storage = null;
$tmp->removeItem($this);
}
$this->storage = $storage;
// add link on this item
if ($this->storage instanceof Storage) {
$this->storage->addItem($this);
}
}
$this->doClearPath();
return $this;
}