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<?php |
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namespace Wikibase\DataModel\Entity; |
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use DataValues\DataValueObject; |
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use DataValues\IllegalValueException; |
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use InvalidArgumentException; |
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use Wikibase\DataModel\LegacyIdInterpreter; |
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/** |
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* @since 0.5 |
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* |
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* @license GPL-2.0+ |
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* @author Jeroen De Dauw < [email protected] > |
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*/ |
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class EntityIdValue extends DataValueObject { |
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private $entityId; |
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public function __construct( EntityId $entityId ) { |
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$this->entityId = $entityId; |
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} |
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/** |
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* @see Serializable::serialize |
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* |
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* @since 0.5 |
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* |
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* @return string |
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*/ |
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public function serialize() { |
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return json_encode( array( |
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$this->entityId->getEntityType(), |
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$this->getNumericId() |
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) ); |
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} |
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/** |
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* This method gets the numeric id from the serialization. |
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* It makes assumptions we do not want to make about the id format, |
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* though cannot be removed until we ditch the "numeric id" part |
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* from the serialization. |
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* |
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* @return float Numeric id as a whole number. Can not be int because of 32-bit PHP. |
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*/ |
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protected function getNumericId() { |
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return floatval( substr( $this->entityId->getSerialization(), 1 ) ); |
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} |
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/** |
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* @see Serializable::unserialize |
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* |
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* @since 0.5 |
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* |
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* @param string $serialized |
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* |
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* @throws IllegalValueException |
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*/ |
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public function unserialize( $serialized ) { |
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list( $entityType, $numericId ) = json_decode( $serialized ); |
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try { |
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$entityId = LegacyIdInterpreter::newIdFromTypeAndNumber( $entityType, $numericId ); |
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} catch ( InvalidArgumentException $ex ) { |
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throw new IllegalValueException( 'Invalid EntityIdValue serialization.' ); |
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} |
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$this->__construct( $entityId ); |
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} |
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/** |
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* @see DataValue::getType |
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* |
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* @since 0.5 |
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* |
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* @return string |
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*/ |
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public static function getType() { |
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return 'wikibase-entityid'; |
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} |
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/** |
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* @see DataValue::getSortKey |
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* |
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* @since 0.5 |
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* |
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* @return string|float|int |
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*/ |
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public function getSortKey() { |
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return $this->entityId->getSerialization(); |
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} |
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/** |
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* @see DataValue::getValue |
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* |
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* @since 0.5 |
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* |
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* @return self |
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*/ |
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public function getValue() { |
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return $this; |
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} |
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/** |
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* @since 0.5 |
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* |
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* @return EntityId |
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*/ |
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public function getEntityId() { |
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return $this->entityId; |
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} |
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/** |
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* @see DataValue::getArrayValue |
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* |
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* @since 0.5 |
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* |
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* @return array |
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*/ |
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public function getArrayValue() { |
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return array( |
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'entity-type' => $this->entityId->getEntityType(), |
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'numeric-id' => $this->getNumericId(), |
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); |
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} |
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/** |
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* Constructs a new instance of the DataValue from the provided data. |
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* This can round-trip with |
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* @see getArrayValue |
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* |
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* @since 0.5 |
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* |
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* @param mixed $data |
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* |
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* @throws IllegalValueException |
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* @return self |
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*/ |
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public static function newFromArray( $data ) { |
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if ( !is_array( $data ) ) { |
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throw new IllegalValueException( '$data must be an array; got ' . gettype( $data ) ); |
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} |
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if ( !array_key_exists( 'entity-type', $data ) ) { |
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throw new IllegalValueException( "'entity-type' field required" ); |
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} |
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if ( !array_key_exists( 'numeric-id', $data ) ) { |
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throw new IllegalValueException( "'numeric-id' field required" ); |
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} |
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try { |
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$id = LegacyIdInterpreter::newIdFromTypeAndNumber( |
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$data['entity-type'], |
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$data['numeric-id'] |
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); |
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} catch ( InvalidArgumentException $ex ) { |
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throw new IllegalValueException( $ex->getMessage(), 0, $ex ); |
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} |
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return new static( $id ); |
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} |
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} |
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wmde /
WikibaseDataModel
