protected function _construct()
 {
     parent::_construct();
     // an item must have a valid product id in order for the
     // reorder link to work see Mage_Sales_Model_Order::_canReorder method
     if (!$this->getProductId()) {
         $this->setProductId(Mage::getModel('catalog/product')->getIdBySku($this->getSku()));
     }
 }
 protected function _construct()
 {
     parent::_construct();
     list($this->_multishippingFactory) = $this->_checkTypes($this->getData('multishipping_factory') ?: Mage::helper('ebayenterprise_multishipping/factory'));
 }