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<?php |
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namespace Wikibase\DataModel\Entity; |
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use InvalidArgumentException; |
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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 PropertyId extends EntityId implements Int32EntityId { |
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/** |
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* @since 0.5 |
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*/ |
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const PATTERN = '/^P[1-9]\d{0,9}\z/i'; |
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/** |
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* @param string $idSerialization |
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* |
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* @throws InvalidArgumentException |
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*/ |
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public function __construct( $idSerialization ) { |
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$this->assertValidIdFormat( $idSerialization ); |
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$this->serialization = strtoupper( $idSerialization ); |
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} |
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private function assertValidIdFormat( $idSerialization ) { |
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if ( !is_string( $idSerialization ) ) { |
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throw new InvalidArgumentException( '$idSerialization must be a string' ); |
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} |
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if ( !preg_match( self::PATTERN, $idSerialization ) ) { |
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throw new InvalidArgumentException( '$idSerialization must match ' . self::PATTERN ); |
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} |
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if ( strlen( $idSerialization ) > 10 |
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&& substr( $idSerialization, 1 ) > Int32EntityId::MAX |
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) { |
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throw new InvalidArgumentException( '$idSerialization can not exceed ' |
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. Int32EntityId::MAX ); |
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} |
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} |
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/** |
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* @return int |
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*/ |
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public function getNumericId() { |
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return (int)substr( $this->serialization, 1 ); |
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} |
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/** |
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* @return string |
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*/ |
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public function getEntityType() { |
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return 'property'; |
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} |
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/** |
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* @see Serializable::serialize |
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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( 'property', $this->serialization ) ); |
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} |
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/** |
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* @see Serializable::unserialize |
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* |
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* @param string $serialized |
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*/ |
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public function unserialize( $serialized ) { |
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list( , $this->serialization ) = json_decode( $serialized ); |
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} |
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/** |
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* Construct a PropertyId given the numeric part of its serialization. |
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* |
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* CAUTION: new usages of this method are discouraged. Typically you |
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* should avoid dealing with just the numeric part, and use the whole |
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* serialization. Not doing so in new code requires special justification. |
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* |
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* @param int|float|string $numericId |
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* |
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* @return self |
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* @throws InvalidArgumentException |
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*/ |
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public static function newFromNumber( $numericId ) { |
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if ( !is_numeric( $numericId ) ) { |
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throw new InvalidArgumentException( '$numericId must be numeric' ); |
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} |
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return new self( 'P' . $numericId ); |
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} |
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} |
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wmde /
WikibaseDataModel
