Elcodi\Component\Product\Entity\Product::setCategories PHP Метод

    public function setCategories(Collection $categories)
    {
        $this->categories = $categories;
        return $this;
    }

 /**
  * Gets a new product
  *
  * @param integer $id The product id.
  *
  * @return Product
  */
 public function getNewProduct($id)
 {
     $product = new Product();
     $product->setId($id);
     $product->setCategories(new ArrayCollection());
     return $product;
 }