/**
* 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;
}
/**
* @param EntityId $targetId
* @param EntityRedirect|null $followedRedirect The followed redirect, will be omitted from the
* output.
* @param EntityId[] $incomingRedirects
* @param RdfBuilder $rdfBuilder
*/
private function addIncomingRedirects(EntityId $targetId, EntityRedirect $followedRedirect = null, array $incomingRedirects, RdfBuilder $rdfBuilder)
{
foreach ($incomingRedirects as $rId) {
// don't add the followed redirect again
if (!$followedRedirect || !$followedRedirect->getEntityId()->equals($rId)) {
$rdfBuilder->addEntityRedirect($rId, $targetId);
}
}
}
