public function testPruneStaleUsages() { $t1 = '20150111000000'; $t2 = '20150222000000'; $q3 = new ItemId('Q3'); $q4 = new ItemId('Q4'); $q5 = new ItemId('Q5'); $usagesT1 = array(new EntityUsage($q3, EntityUsage::SITELINK_USAGE), new EntityUsage($q3, EntityUsage::LABEL_USAGE), new EntityUsage($q4, EntityUsage::LABEL_USAGE)); $usagesT2 = array(new EntityUsage($q3, EntityUsage::SITELINK_USAGE), new EntityUsage($q4, EntityUsage::LABEL_USAGE), new EntityUsage($q5, EntityUsage::ALL_USAGE)); // init database: $usagesT2 get timestamp $t2, // array_diff( $usagesT1, $usagesT2 ) get timestamp $t1. $this->tracker->trackUsedEntities(23, $usagesT1, $t1); $this->tracker->trackUsedEntities(23, $usagesT2, $t2); // pruning should remove entries with a timestamp < $t2 $this->tracker->pruneStaleUsages(23, $t2); $actualUsages = $this->getUsages(23, $t2); $this->assertSameUsages($usagesT2, $actualUsages); }
/** * Removes stale usage information for the given page, and removes * any subscriptions that have become unnecessary. * * @param int $pageId The ID of the page the entities are used on. * @param string $lastUpdatedBefore timestamp. Entries older than this timestamp will be removed. * * @see UsageTracker::trackUsedEntities * * @throws InvalidArgumentException */ public function pruneUsagesForPage($pageId, $lastUpdatedBefore = '00000000000000') { if (!is_int($pageId)) { throw new InvalidArgumentException('$pageId must be an int!'); } if (!is_string($lastUpdatedBefore) || $lastUpdatedBefore === '') { throw new InvalidArgumentException('$lastUpdatedBefore must be a timestamp string!'); } $prunedUsages = $this->usageTracker->pruneStaleUsages($pageId, $lastUpdatedBefore); $prunedEntityIds = $this->getEntityIds($prunedUsages); $unusedIds = $this->usageLookup->getUnusedEntities($prunedEntityIds); if (!empty($unusedIds)) { // Unsubscribe from anything that was pruned and is otherwise unused. $this->subscriptionManager->unsubscribe($this->clientId, $unusedIds); } }