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<?php |
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namespace Wikibase\DataModel\Services\EntityId; |
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use InvalidArgumentException; |
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use UnexpectedValueException; |
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use Wikibase\DataModel\Entity\EntityId; |
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/** |
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* Constructs EntityId objects from entity type identifiers and unique parts of entity ID |
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* serializations. The unique part is typically the numeric part of an entity ID, excluding the |
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* static part that's the same for all IDs of that type. |
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* |
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* Meant to be the counterpart for @see Int32EntityId::getNumericId, as well as an extensible |
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* replacement for @see LegacyIdInterpreter::newIdFromTypeAndNumber. |
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* |
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* @since 3.9 |
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* |
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* @license GPL-2.0+ |
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* @author Thiemo Mättig |
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*/ |
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class EntityIdComposer { |
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/** |
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* @var callable[] |
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*/ |
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private $composers; |
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/** |
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* @param callable[] $composers Array mapping entity type identifiers to callables accepting a |
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* single mixed value, representing the unique part of an entity ID serialization, and |
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* returning an EntityId object. |
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* |
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* @throws InvalidArgumentException |
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*/ |
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public function __construct( array $composers ) { |
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foreach ( $composers as $entityType => $composer ) { |
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if ( !is_string( $entityType ) || $entityType === '' || !is_callable( $composer ) ) { |
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throw new InvalidArgumentException( '$composers must map non-empty strings to callables' ); |
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} |
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} |
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$this->composers = $composers; |
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} |
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/** |
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* @param string $repositoryName |
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* @param string $entityType |
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* @param mixed $uniquePart |
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* |
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* @throws InvalidArgumentException when the entity type is not known or the unique part is not |
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* unique. |
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* @throws UnexpectedValueException when the configured composer did not return an EntityId |
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* object. |
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* @return EntityId |
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*/ |
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public function composeEntityId( $repositoryName, $entityType, $uniquePart ) { |
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if ( !isset( $this->composers[$entityType] ) ) { |
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throw new InvalidArgumentException( 'Unknown entity type ' . $entityType ); |
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} |
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$id = $this->composers[$entityType]( $repositoryName, $uniquePart ); |
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if ( !( $id instanceof EntityId ) ) { |
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throw new UnexpectedValueException( 'Composer for ' . $entityType . ' is invalid' ); |
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} |
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return $id; |
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} |
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} |
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wmde /
WikibaseDataModelServices
