/**
* Dump list of entities
*
* @param EntityId[] $entityIds
* @param int &$dumpCount The number of entities already dumped (will be updated).
*/
private function dumpEntities(array $entityIds, &$dumpCount)
{
$toLoad = array();
foreach ($entityIds as $entityId) {
if ($this->idMatchesFilters($entityId)) {
$toLoad[] = $entityId;
}
}
$this->entityPrefetcher->prefetch($toLoad);
foreach ($toLoad as $entityId) {
try {
$data = $this->generateDumpForEntityId($entityId);
if (!$data) {
continue;
}
$this->preEntityDump($dumpCount);
$this->writeToDump($data);
$this->postEntityDump($dumpCount);
$dumpCount++;
if ($this->limit && $dumpCount >= $this->limit) {
break;
}
} catch (EntityLookupException $ex) {
$this->exceptionHandler->handleException($ex, 'failed-to-dump', 'Failed to dump ' . $entityId);
} catch (StorageException $ex) {
$this->exceptionHandler->handleException($ex, 'failed-to-dump', 'Failed to dump ' . $entityId);
}
}
}
/**
* @param EntityId[] $entityIds
* @param bool $resolveRedirects
*
* @return EntityRevision[]
*/
private function getEntityRevisionsFromEntityIds($entityIds, $resolveRedirects = false)
{
$revisionArray = array();
$this->entityPrefetcher->prefetch($entityIds);
foreach ($entityIds as $entityId) {
$sourceEntityId = $entityId->getSerialization();
$entityRevision = $this->getEntityRevision($entityId, $resolveRedirects);
$revisionArray[$sourceEntityId] = $entityRevision;
}
return $revisionArray;
}
/**
* Rebuilds EntityPerPageTable for specified pages
*
* @param ItemId[] $itemIds
*
* @return int
*/
private function rebuildSiteLinks(array $itemIds)
{
$this->entityPrefetcher->prefetch($itemIds);
$c = 0;
foreach ($itemIds as $itemId) {
if (!$itemId instanceof ItemId) {
// Just in case someone is using a EntityIdPager which doesn't filter non-Items
continue;
}
$item = $this->entityLookup->getEntity($itemId);
if (!$item) {
continue;
}
$ok = $this->siteLinkTable->saveLinksOfItem($item);
if (!$ok) {
$this->report('Saving sitelinks for Item ' . $item->getId()->getSerialization() . ' failed');
}
$c++;
}
// Wait for the slaves, just in case we e.g. hit a range of ids which need a lot of writes.
wfWaitForSlaves();
return $c;
}