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<?php |
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namespace Wikibase\DataModel; |
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use InvalidArgumentException; |
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use Serializers\DispatchingSerializer; |
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use Serializers\Serializer; |
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use Wikibase\DataModel\Serializers\AliasGroupListSerializer; |
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use Wikibase\DataModel\Serializers\AliasGroupSerializer; |
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use Wikibase\DataModel\Serializers\ItemSerializer; |
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use Wikibase\DataModel\Serializers\PropertySerializer; |
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use Wikibase\DataModel\Serializers\ReferenceListSerializer; |
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use Wikibase\DataModel\Serializers\ReferenceSerializer; |
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use Wikibase\DataModel\Serializers\SiteLinkSerializer; |
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use Wikibase\DataModel\Serializers\SnakListSerializer; |
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use Wikibase\DataModel\Serializers\SnakSerializer; |
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use Wikibase\DataModel\Serializers\StatementListSerializer; |
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use Wikibase\DataModel\Serializers\StatementSerializer; |
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use Wikibase\DataModel\Serializers\TermListSerializer; |
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use Wikibase\DataModel\Serializers\TermSerializer; |
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use Wikibase\DataModel\Serializers\TypedSnakSerializer; |
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/** |
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* Factory for constructing Serializer objects that can serialize WikibaseDataModel objects. |
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* |
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* @since 0.1 |
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* |
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* @licence GNU GPL v2+ |
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* @author Thomas Pellissier Tanon |
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* @author Bene* < [email protected] > |
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* @author Addshore |
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*/ |
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class SerializerFactory { |
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const OPTION_DEFAULT = 0; |
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/** @since 1.2.0 */ |
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const OPTION_OBJECTS_FOR_MAPS = 1; |
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/** @since 1.7.0 */ |
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const OPTION_SERIALIZE_MAIN_SNAKS_WITHOUT_HASH = 2; |
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const OPTION_SERIALIZE_QUALIFIER_SNAKS_WITHOUT_HASH = 4; |
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const OPTION_SERIALIZE_REFERENCE_SNAKS_WITHOUT_HASH = 8; |
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/** |
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* @var int |
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*/ |
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private $options; |
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/** |
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* @var Serializer |
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*/ |
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private $dataValueSerializer; |
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/** |
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* @param Serializer $dataValueSerializer serializer for DataValue objects |
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* @param int $options set multiple with bitwise or |
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* |
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* @throws InvalidArgumentException |
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*/ |
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public function __construct( Serializer $dataValueSerializer, $options = 0 ) { |
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if ( !is_int( $options ) ) { |
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throw new InvalidArgumentException( '$options must be an integer' ); |
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} |
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$this->dataValueSerializer = $dataValueSerializer; |
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$this->options = $options; |
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} |
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/** |
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* @return bool |
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*/ |
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private function shouldUseObjectsForMaps() { |
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return (bool)( $this->options & self::OPTION_OBJECTS_FOR_MAPS ); |
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} |
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/** |
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* @return bool |
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*/ |
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private function shouldSerializeMainSnaksWithHash() { |
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return !(bool)( $this->options & self::OPTION_SERIALIZE_MAIN_SNAKS_WITHOUT_HASH ); |
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} |
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/** |
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* @return bool |
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*/ |
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private function shouldSerializeQualifierSnaksWithHash() { |
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return !(bool)( $this->options & self::OPTION_SERIALIZE_QUALIFIER_SNAKS_WITHOUT_HASH ); |
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} |
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/** |
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* @return bool |
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*/ |
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private function shouldSerializeReferenceSnaksWithHash() { |
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return !(bool)( $this->options & self::OPTION_SERIALIZE_REFERENCE_SNAKS_WITHOUT_HASH ); |
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} |
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/** |
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* Returns a Serializer that can serialize Entity objects. |
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* |
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* @return Serializer |
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*/ |
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public function newEntitySerializer() { |
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return new DispatchingSerializer( array( |
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$this->newItemSerializer(), |
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$this->newPropertySerializer() |
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) ); |
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} |
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/** |
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* Returns a Serializer that can serialize Item objects. |
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* |
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* @since 2.1 |
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* |
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* @return Serializer |
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*/ |
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public function newItemSerializer() { |
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return new ItemSerializer( |
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$this->newTermListSerializer(), |
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$this->newAliasGroupListSerializer(), |
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$this->newStatementListSerializer(), |
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$this->newSiteLinkSerializer(), |
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$this->shouldUseObjectsForMaps() |
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); |
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} |
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/** |
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* Returns a Serializer that can serialize Property objects. |
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* |
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* @since 2.1 |
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* |
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* @return Serializer |
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*/ |
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public function newPropertySerializer() { |
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return new PropertySerializer( |
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$this->newTermListSerializer(), |
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$this->newAliasGroupListSerializer(), |
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$this->newStatementListSerializer() |
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); |
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} |
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/** |
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* Returns a Serializer that can serialize SiteLink objects. |
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* |
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* @return Serializer |
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*/ |
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public function newSiteLinkSerializer() { |
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return new SiteLinkSerializer(); |
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} |
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/** |
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* Returns a Serializer that can serialize StatementList objects. |
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* |
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* @since 1.4 |
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* |
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* @return Serializer |
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*/ |
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public function newStatementListSerializer() { |
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return new StatementListSerializer( |
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$this->newStatementSerializer(), |
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$this->shouldUseObjectsForMaps() |
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); |
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} |
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/** |
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* Returns a Serializer that can serialize Statement objects. |
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* |
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* @since 1.4 |
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* |
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* @return Serializer |
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*/ |
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public function newStatementSerializer() { |
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return new StatementSerializer( |
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$this->newSnakSerializer( $this->shouldSerializeMainSnaksWithHash() ), |
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$this->newSnakListSerializer( $this->shouldSerializeQualifierSnaksWithHash() ), |
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$this->newReferencesSerializer() |
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); |
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} |
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/** |
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* Returns a Serializer that can serialize ReferenceList objects. |
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* |
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* @return Serializer |
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*/ |
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public function newReferencesSerializer() { |
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return new ReferenceListSerializer( $this->newReferenceSerializer() ); |
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} |
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/** |
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* Returns a Serializer that can serialize Reference objects. |
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* |
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* @return Serializer |
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*/ |
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public function newReferenceSerializer() { |
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return new ReferenceSerializer( |
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$this->newSnakListSerializer( |
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$this->shouldSerializeReferenceSnaksWithHash() |
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) |
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); |
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} |
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/** |
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* Returns a Serializer that can serialize SnakList objects. |
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* |
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* @param bool $serializeSnaksWithHash |
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* |
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* @since 1.4 |
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* |
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* @return Serializer |
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*/ |
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public function newSnakListSerializer( $serializeSnaksWithHash = true ) { |
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return new SnakListSerializer( |
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$this->newSnakSerializer( $serializeSnaksWithHash ), |
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$this->shouldUseObjectsForMaps() |
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); |
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} |
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/** |
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* Returns a Serializer that can serialize Snak objects. |
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* |
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* @param bool $serializeWithHash |
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* |
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* @return Serializer |
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*/ |
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public function newSnakSerializer( $serializeWithHash = true ) { |
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return new SnakSerializer( |
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$this->dataValueSerializer, |
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$serializeWithHash |
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); |
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} |
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/** |
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* Returns a Serializer that can serialize TypedSnak objects. |
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* |
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* @param bool $serializeWithHash |
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* |
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* @since 1.3 |
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* |
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* @return Serializer |
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*/ |
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public function newTypedSnakSerializer( $serializeWithHash = true ) { |
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return new TypedSnakSerializer( $this->newSnakSerializer( $serializeWithHash ) ); |
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} |
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/** |
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* Returns a Serializer that can serialize Term objects. |
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* |
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* @since 1.5 |
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* |
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* @return Serializer |
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*/ |
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public function newTermSerializer() { |
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return new TermSerializer(); |
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} |
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/** |
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* Returns a Serializer that can serialize TermList objects. |
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* |
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* @since 1.5 |
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* |
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* @return Serializer |
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*/ |
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public function newTermListSerializer() { |
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return new TermListSerializer( $this->newTermSerializer(), $this->shouldUseObjectsForMaps() ); |
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} |
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/** |
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* Returns a Serializer that can serialize AliasGroup objects. |
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* |
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* @since 1.6 |
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* |
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* @return Serializer |
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*/ |
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public function newAliasGroupSerializer() { |
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return new AliasGroupSerializer(); |
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} |
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/** |
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* Returns a Serializer that can serialize AliasGroupList objects. |
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* |
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* @since 1.5 |
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* |
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* @return Serializer |
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*/ |
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public function newAliasGroupListSerializer() { |
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return new AliasGroupListSerializer( $this->newAliasGroupSerializer(), $this->shouldUseObjectsForMaps() ); |
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} |
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} |
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