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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\WikispeechSpeechDataCollector\Crud\Mcr; |
| 4 | |
| 5 | /** |
| 6 | * @file |
| 7 | * @ingroup Extensions |
| 8 | * @license GPL-2.0-or-later |
| 9 | */ |
| 10 | |
| 11 | use ExternalStoreException; |
| 12 | use MediaWiki\WikispeechSpeechDataCollector\Domain\Persistent; |
| 13 | |
| 14 | /** |
| 15 | * CRUD for composite association part objects. |
| 16 | * |
| 17 | * These are objects that require an existing composite owner object |
| 18 | * from which they inherit their identity. |
| 19 | * |
| 20 | * This means that there is a one-to-one relationship between all |
| 21 | * composite owner and composite part objects. Thus an intermediate |
| 22 | * relationship class is required in order to achieve a one-to-many |
| 23 | * relationship between an owner and a part. |
| 24 | * |
| 25 | * E.g, {@link Recording} would be a composite owner object, |
| 26 | * while {@link RecordingAnnotations} is a composite part object |
| 27 | * that depends on an existing Recording in order to be created. |
| 28 | * RecordingAnnotations contains a list of {@link RecordingAnnotation} |
| 29 | * in order to create the one-to-many relationship between |
| 30 | * Recording and RecordingAnnotation. |
| 31 | * |
| 32 | * @see AbstractCompositeOwnerMcrCrud |
| 33 | * @since 0.1.0 |
| 34 | */ |
| 35 | abstract class AbstractCompositePartMcrCrud extends AbstractMcrCrud { |
| 36 | |
| 37 | /** |
| 38 | * Asserts that identity is set. |
| 39 | * |
| 40 | * @param Persistent $instance |
| 41 | * @throws ExternalStoreException |
| 42 | */ |
| 43 | public function create( Persistent $instance ): void { |
| 44 | if ( !$instance->getIdentity() ) { |
| 45 | throw new ExternalStoreException( 'Identity not set' ); |
| 46 | } |
| 47 | parent::create( $instance ); |
| 48 | } |
| 49 | |
| 50 | } |