| @@ -24,8 +24,17 @@ | ||
| 24 | 24 | */ |
| 25 | 25 | public $helpers; |
| 26 | 26 | |
| 27 | 27 | /** |
| 28 | + * Optional identifier for this schema piece. | |
| 29 | + * | |
| 30 | + * Used in the `Schema_Generator::filter_graph_pieces_to_generate()` method. | |
| 31 | + * | |
| 32 | + * @var string | |
| 33 | + */ | |
| 34 | + public $identifier; | |
| 35 | + | |
| 36 | + /** | |
| 28 | 37 | * Generates the schema piece. |
| 29 | 38 | * |
| 30 | 39 | * @return mixed |
| 31 | 40 | */ |