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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; under version 2 |
| 7 | * of the License (non-upgradable). |
| 8 | * |
| 9 | * This program 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 this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 17 | * |
| 18 | * Copyright (c) 2022 (original work) Open Assessment Technologies SA; |
| 19 | */ |
| 20 | |
| 21 | declare(strict_types=1); |
| 22 | |
| 23 | namespace oat\taoDelivery\model\execution\metadata; |
| 24 | |
| 25 | use Countable; |
| 26 | use IteratorAggregate; |
| 27 | use JsonSerializable; |
| 28 | use Traversable; |
| 29 | |
| 30 | class MetadataCollection implements IteratorAggregate, JsonSerializable, Countable |
| 31 | { |
| 32 | /** @var Metadata[] */ |
| 33 | private array $items = []; |
| 34 | |
| 35 | public function __construct(Metadata ...$items) |
| 36 | { |
| 37 | foreach ($items as $item) { |
| 38 | $this->items[$item->getMetadataId()] = $item; |
| 39 | } |
| 40 | } |
| 41 | |
| 42 | public function addMetadata(Metadata $metadata): self |
| 43 | { |
| 44 | $this->items[$metadata->getMetadataId()] = $metadata; |
| 45 | |
| 46 | return $this; |
| 47 | } |
| 48 | |
| 49 | /** |
| 50 | * @return Metadata[]|Traversable |
| 51 | */ |
| 52 | public function getIterator(): Traversable |
| 53 | { |
| 54 | yield from $this->items; |
| 55 | } |
| 56 | |
| 57 | public function jsonSerialize(): array |
| 58 | { |
| 59 | return $this->items; |
| 60 | } |
| 61 | |
| 62 | public function count(): int |
| 63 | { |
| 64 | return count($this->items); |
| 65 | } |
| 66 | |
| 67 | public function getMetadataElement(string $metadataId): ?Metadata |
| 68 | { |
| 69 | return $this->items[$metadataId] ?? null; |
| 70 | } |
| 71 | } |