private function getStockItemId($prodId, $stockId)
    {
        $query = $this->qbGetStockItem->build();
        $conn = $query->getConnection();
        $bind = [
            OwnQbGetStockItem::BND_PROD_ID => $prodId,
            OwnQbGetStockItem::BND_STOCK_ID => $stockId
        ];
        $result = $conn->fetchOne($query, $bind);
        return $result;
    }
private function getStockItemId($prodId, $stockId)
    {
        $query = $this->qbGetStockItem->build();
        $conn = $query->getConnection();
        $bind = [
            OwnQbGetStockItem::BND_PROD_ID => $prodId,
            OwnQbGetStockItem::BND_STOCK_ID => $stockId
        ];
        $result = $conn->fetchOne($query, $bind);
        return $result;
    }
private function getStockItemId ( $ prodId , $ stockId ) { $ query = $ this -> qbGetStockItem -> build ( ) ; $ conn = $ query -> getConnection ( ) ; $ bind = [ OwnQbGetStockItem :: BND_PROD_ID => $ prodId , OwnQbGetStockItem :: BND_STOCK_ID => $ stockId ] ; $ result = $ conn -> fetchOne ( $ query , $ bind ) ; return $ result ; }
Get stock item ID by product ID & stock ID.

@param int $prodId
@param int $stockId
@return int
Get stock item ID by product ID & stock ID .