/**
  * {@inheritDoc}
  */
 public function setId($id)
 {
     $this->__initializer__ && $this->__initializer__->__invoke($this, 'setId', array($id));
     return parent::setId($id);
 }
 /**
  * @param int|null $categoryId
  * @return Category
  */
 private function createCategoryAndSetId($categoryId)
 {
     $category = new Category();
     if ($categoryId) {
         $category->setId($categoryId);
     }
     return $category;
 }