/**
* Finds item specified by state.
*
* @param array $state State of the product to be found.
* @return Product|Product\Purchasable Item found.
*/
public function findForState(array $state)
{
// TODO: For simple products state and ID is exactly the same - worth to try to integrate (lower DB queries).
$key = serialize($state);
if (!isset($this->states[$key])) {
$this->states[$key] = $this->service->findForState($state);
}
return $this->states[$key];
}
