public function __construct(Identifier $id) { parent::__construct($id); }
public function __construct(Identifier $id, Identifier $item_id) { $this->item_id = $item_id; parent::__construct($id); }
public function __construct(Identifier $id, Identifier $item_id, Quanitity $quantity) { $this->item_id = $item_id; $this->quantity = $quantity; parent::__construct($id); }
public function __construct(Identifier $id, Identifier $customer_id) { $this->customer_id = $customer_id; parent::__construct($id); }