/**
* Produces RDF dump of the entity
*
* @param EntityId $entityId
*
* @throws EntityLookupException
* @throws StorageException
* @return string|null RDF
*/
protected function generateDumpForEntityId(EntityId $entityId)
{
try {
$entityRevision = $this->entityRevisionLookup->getEntityRevision($entityId);
if (!$entityRevision) {
throw new EntityLookupException($entityId, 'Entity not found: ' . $entityId->getSerialization());
}
$this->rdfBuilder->addEntityRevisionInfo($entityRevision->getEntity()->getId(), $entityRevision->getRevisionId(), $entityRevision->getTimestamp());
$this->rdfBuilder->addEntity($entityRevision->getEntity());
} catch (MWContentSerializationException $ex) {
throw new StorageException('Deserialization error for ' . $entityId->getSerialization());
} catch (RevisionedUnresolvedRedirectException $e) {
if ($e->getRevisionId() > 0) {
$this->rdfBuilder->addEntityRevisionInfo($entityId, $e->getRevisionId(), $e->getRevisionTimestamp());
}
$this->rdfBuilder->addEntityRedirect($entityId, $e->getRedirectTargetId());
}
$rdf = $this->rdfBuilder->getRDF();
return $rdf;
}
/**
* Extract text test data from RDF builder
* @param RdfBuilder $builder
* @return string[] ntriples lines
*/
private function getDataFromBuilder(RdfBuilder $builder)
{
$data = $builder->getRDF();
$dataSplit = explode("\n", trim($data));
sort($dataSplit);
$dataSplit = array_map('trim', $dataSplit);
return $dataSplit;
}
