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<?php |
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namespace Wikibase\DataModel\Services\Lookup; |
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use InvalidArgumentException; |
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use Wikibase\DataModel\Entity\EntityDocument; |
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use Wikibase\DataModel\Entity\EntityId; |
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use Wikibase\DataModel\Entity\ItemId; |
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use Wikibase\DataModel\Entity\PropertyId; |
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/** |
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* EntityLookup that uses an in memory array to retrieve the requested information. |
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* One can also specify exceptions that should be thrown when an entity with their |
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* associated ID is requested. |
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* |
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* This class can be used as a fake in tests. |
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* |
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* @since 2.0 |
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* |
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* @license GPL-2.0-or-later |
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* @author Jeroen De Dauw < [email protected] > |
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*/ |
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class InMemoryEntityLookup implements EntityLookup, ItemLookup, PropertyLookup { |
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/** |
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* @var EntityDocument[] |
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*/ |
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private $entities = []; |
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/** |
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* @var EntityLookupException[] |
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*/ |
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private $exceptions = []; |
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/** |
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* @param EntityDocument ...$entities |
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*/ |
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public function __construct( ...$entities ) { |
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foreach ( $entities as $entity ) { |
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$this->addEntity( $entity ); |
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} |
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} |
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/** |
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* @param EntityDocument $entity |
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* |
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* @throws InvalidArgumentException |
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*/ |
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public function addEntity( EntityDocument $entity ) { |
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if ( $entity->getId() === null ) { |
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throw new InvalidArgumentException( 'The entity needs to have an ID' ); |
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} |
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$this->entities[$entity->getId()->getSerialization()] = $entity; |
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} |
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/** |
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* Registers an exception that will be thrown when a entity with the id in the exception is requested. |
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* If an exception with the same EntityId was already present it will be replaced by the new one. |
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* |
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* @since 3.1 |
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* |
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* @param EntityLookupException $exception |
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*/ |
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public function addException( EntityLookupException $exception ) { |
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$this->exceptions[$exception->getEntityId()->getSerialization()] = $exception; |
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} |
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/** |
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* @see EntityLookup::getEntity |
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* |
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* @param EntityId $entityId |
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* |
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* @throws EntityLookupException |
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* @return EntityDocument |
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*/ |
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public function getEntity( EntityId $entityId ) { |
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$this->throwExceptionIfNeeded( $entityId ); |
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if ( array_key_exists( $entityId->getSerialization(), $this->entities ) ) { |
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return $this->entities[$entityId->getSerialization()]; |
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} |
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return null; |
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} |
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/** |
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* @see EntityLookup::hasEntity |
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* |
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* @param EntityId $entityId |
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* |
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* @throws EntityLookupException |
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* @return bool |
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*/ |
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public function hasEntity( EntityId $entityId ) { |
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$this->throwExceptionIfNeeded( $entityId ); |
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return array_key_exists( $entityId->getSerialization(), $this->entities ); |
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} |
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private function throwExceptionIfNeeded( EntityId $entityId ) { |
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if ( array_key_exists( $entityId->getSerialization(), $this->exceptions ) ) { |
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throw $this->exceptions[$entityId->getSerialization()]; |
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} |
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} |
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public function getItemForId( ItemId $itemId ) { |
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return ( new LegacyAdapterItemLookup( $this ) )->getItemForId( $itemId ); |
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} |
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public function getPropertyForId( PropertyId $propertyId ) { |
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return ( new LegacyAdapterPropertyLookup( $this ) )->getpropertyForId( $propertyId ); |
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} |
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} |
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wmde /
WikibaseDataModelServices
