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| 1 | <?php |
| 2 | // This file is part of Moodle - https://moodle.org/ |
| 3 | // |
| 4 | // Moodle is free software: you can redistribute it and/or modify |
| 5 | // it under the terms of the GNU General Public License as published by |
| 6 | // the Free Software Foundation, either version 3 of the License, or |
| 7 | // (at your option) any later version. |
| 8 | // |
| 9 | // Moodle is distributed in the hope that it will be useful, |
| 10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | // GNU General Public License for more details. |
| 13 | // |
| 14 | // You should have received a copy of the GNU General Public License |
| 15 | // along with Moodle. If not, see <https://www.gnu.org/licenses/>. |
| 16 | |
| 17 | declare(strict_types=1); |
| 18 | |
| 19 | namespace tool_autoflow\local\engine; |
| 20 | |
| 21 | /** |
| 22 | * The node types a run can use, by type name. |
| 23 | * |
| 24 | * @package tool_autoflow |
| 25 | * @copyright 2026 DevLMS <contact@devlms.com> |
| 26 | * @license https://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later |
| 27 | */ |
| 28 | final class registry { |
| 29 | /** @var node_type[] Node types by type name. */ |
| 30 | private array $nodes = []; |
| 31 | |
| 32 | /** |
| 33 | * Create a registry. |
| 34 | * |
| 35 | * @param node_type ...$nodes |
| 36 | */ |
| 37 | public function __construct(node_type ...$nodes) { |
| 38 | foreach ($nodes as $node) { |
| 39 | $this->nodes[$node->type()] = $node; |
| 40 | } |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * The node type for a name. |
| 45 | * |
| 46 | * @param string $type |
| 47 | * @return node_type |
| 48 | * @throws node_failed When no node has that type, for example after a plugin was removed. |
| 49 | */ |
| 50 | public function get(string $type): node_type { |
| 51 | if (!isset($this->nodes[$type])) { |
| 52 | throw new node_failed("No node of type \"$type\" is installed."); |
| 53 | } |
| 54 | return $this->nodes[$type]; |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * Whether a type is registered. |
| 59 | * |
| 60 | * @param string $type |
| 61 | * @return bool |
| 62 | */ |
| 63 | public function has(string $type): bool { |
| 64 | return isset($this->nodes[$type]); |
| 65 | } |
| 66 | |
| 67 | /** |
| 68 | * All registered type names, in registration order. |
| 69 | * |
| 70 | * @return string[] |
| 71 | */ |
| 72 | public function types(): array { |
| 73 | return array_keys($this->nodes); |
| 74 | } |
| 75 | } |