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<?php |
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namespace Wikibase\QueryEngine\SQLStore\SnakStore; |
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use Doctrine\DBAL\Connection; |
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use Doctrine\DBAL\DBALException; |
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use InvalidArgumentException; |
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use Wikibase\DataModel\Entity\EntityId; |
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use Wikibase\QueryEngine\QueryEngineException; |
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/** |
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* @licence GNU GPL v2+ |
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* @author Jeroen De Dauw < [email protected] > |
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*/ |
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class ValuelessSnakStore extends SnakStore { |
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private $connection; |
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private $tableName; |
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public function __construct( Connection $connection, $tableName ) { |
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$this->connection = $connection; |
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$this->tableName = $tableName; |
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} |
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public function canStore( SnakRow $snakRow ) { |
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return $snakRow instanceof ValuelessSnakRow; |
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} |
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public function storeSnakRow( SnakRow $snakRow ) { |
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if ( !$this->canStore( $snakRow ) ) { |
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throw new InvalidArgumentException( 'Can only store ValuelessSnakRow in ValuelessSnakStore' ); |
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} |
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/** |
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* @var ValuelessSnakRow $snakRow |
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*/ |
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try { |
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$this->insertSnakRow( $snakRow ); |
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} |
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catch ( DBALException $ex ) { |
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throw new QueryEngineException( $ex->getMessage(), 0, $ex ); |
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} |
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} |
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private function insertSnakRow( ValuelessSnakRow $snakRow ) { |
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$this->connection->insert( |
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$this->tableName, |
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array( |
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'subject_id' => $snakRow->getSubjectId()->getSerialization(), |
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'subject_type' => $snakRow->getSubjectId()->getEntityType(), |
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'property_id' => $snakRow->getPropertyId(), |
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'statement_rank' => $snakRow->getStatementRank(), |
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'snak_type' => $snakRow->getInternalSnakType(), |
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) |
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); |
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} |
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public function removeSnaksOfSubject( EntityId $subjectId ) { |
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try { |
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$this->deleteSnakRow( $subjectId ); |
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} |
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catch ( DBALException $ex ) { |
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throw new QueryEngineException( $ex->getMessage(), 0, $ex ); |
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} |
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} |
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private function deleteSnakRow( EntityId $subjectId ) { |
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$this->connection->delete( |
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$this->tableName, |
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array( 'subject_id' => $subjectId->getSerialization() ) |
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); |
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} |
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} |
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wmde /
WikibaseQueryEngine
