public function testAddStringCondition()
{
$instance = new RequestOptions();
$instance->addStringCondition('Foo', StringCondition::STRCOND_PRE);
foreach ($instance->getStringConditions() as $stringCondition) {
$this->assertInstanceOf('\\SMW\\StringCondition', $stringCondition);
$this->assertFalse($stringCondition->asDisjunctiveCondition);
}
}
/**
* @since 2.4
*
* @param DIWikiPage $subject
* @param DIProperty $property
* @param RequestOptions|null $requestOptions
*
* @return array
*/
public function getPropertyValues(DIWikiPage $subject, DIProperty $property, RequestOptions $requestOptions = null)
{
$key = $property->getKey() . ':' . $subject->getSubobjectName() . ':' . ($requestOptions !== null ? $requestOptions->getHash() : null);
$container = $this->blobStore->read($this->getRootHashFrom($subject));
if ($container->has($key)) {
return $container->get($key);
}
$dataItems = $this->store->getPropertyValues($subject, $property, $requestOptions);
$container->set($key, $dataItems);
$this->blobStore->save($container);
return $dataItems;
}
/**
* @since 2.4
*
* @param string $property
*
* @return boolean
*/
public function findPropertyListFor($property = '')
{
$this->meta = array();
$this->propertyList = array();
$this->namespaces = array();
$this->requestOptions->limit++;
// increase by one to look ahead
$this->continueOffset = 1;
if ($property !== '') {
$property = str_replace("_", " ", $property);
$this->requestOptions->addStringCondition($property, StringCondition::STRCOND_MID);
// Disjunctive condition to allow for auto searches of foaf OR Foaf
$this->requestOptions->addStringCondition(ucfirst($property), StringCondition::STRCOND_MID, true);
}
$propertyListLookup = $this->store->getPropertiesSpecial($this->requestOptions);
$this->requestOptions->limit--;
foreach ($propertyListLookup->fetchList() as $value) {
if ($this->continueOffset > $this->requestOptions->limit) {
break;
}
$this->addPropertyToList($value);
$this->continueOffset++;
}
$this->continueOffset = $this->continueOffset > $this->requestOptions->limit ? $this->requestOptions->limit : 0;
$this->namespaces = array_keys($this->namespaces);
$this->meta = array('limit' => $this->requestOptions->limit, 'count' => count($this->propertyList), 'isCached' => $propertyListLookup->isCached());
return true;
}
/**
* Returns an introductory text for a predefined property
*
* @note In order to enable a more detailed description for a specific
* predefined property a concatenated message key can be used (e.g
* 'smw-pa-property-predefined' + <internal property key> => '_asksi' )
*
* @since 1.9
*
* @return string
*/
protected function getTopText()
{
$propertyName = htmlspecialchars($this->mTitle->getText());
$usageCount = '';
$requestOptions = new RequestOptions();
$requestOptions->limit = 1;
$requestOptions->addStringCondition($propertyName, StringCondition::STRCOND_PRE);
$cachedLookupList = $this->store->getPropertiesSpecial($requestOptions);
$usageList = $cachedLookupList->fetchList();
if ($usageList && $usageList !== array()) {
$usage = end($usageList);
$usageCount = wfMessage('smw-pa-property-usage', $propertyName, $usage[1], $this->getContext()->getLanguage()->timeanddate($cachedLookupList->getTimestamp()))->parse();
}
if (!$this->mProperty->isUserDefined()) {
$propertyKey = 'smw-pa-property-predefined' . strtolower($this->mProperty->getKey());
$messageKey = wfMessage($propertyKey)->exists() ? $propertyKey : 'smw-pa-property-predefined-default';
return Html::rawElement('div', array('class' => 'smw-pa-property-predefined-intro'), wfMessage($messageKey, $propertyName)->parse() . ' ' . wfMessage('smw-pa-property-predefined-common')->parse() . ' ' . $usageCount);
}
return $usageCount;
}
/**
* Finds a partial list (given limit and offset) of registered subjects that
* that represent a dependency on something like a subject in a query list,
* a property, or a printrequest.
*
* `s_id` contains the subject id that links to the query that fulfills one
* of the conditions cited above.
*
* Prefetched Ids are turned into a hash list that can later be split into
* chunks to work either in online or batch mode without creating a huge memory
* foothold.
*
* @note Select a list is crucial for performance as any selectRow would /
* single Id select would strain the system on large list connected to a
* query
*
* @since 2.3
*
* @param array $idlist
* @param RequestOptions $requestOptions
*
* @return array
*/
public function findEmbeddedQueryTargetLinksHashListFor(array $idlist, RequestOptions $requestOptions)
{
if ($idlist === array() || !$this->isEnabled()) {
return array();
}
$options = array('LIMIT' => $requestOptions->getLimit(), 'OFFSET' => $requestOptions->getOffset(), 'GROUP BY' => 's_id', 'ORDER BY' => 's_id', 'DISTINCT' => true);
$conditions = array('o_id' => $idlist);
foreach ($requestOptions->getExtraConditions() as $extraCondition) {
$conditions += $extraCondition;
}
$rows = $this->connection->select(SQLStore::QUERY_LINKS_TABLE, array('s_id'), $conditions, __METHOD__, $options);
$targetLinksIdList = array();
foreach ($rows as $row) {
$targetLinksIdList[] = $row->s_id;
}
if ($targetLinksIdList === array()) {
return array();
}
return $this->store->getObjectIds()->getDataItemPoolHashListFor($targetLinksIdList);
}
public function testOffset()
{
$instance = new RequestOptions();
$instance->setOffset(42);
$this->assertEquals(42, $instance->getOffset());
}
/**
* Get the HTML for displaying subproperties of this property. This list
* is usually short and we implement no additional navigation.
*
* @return string
*/
protected function getSubpropertyList()
{
$more = false;
$requestOptions = new RequestOptions();
$requestOptions->sort = true;
$requestOptions->ascending = true;
// +1 look-ahead
$requestOptions->setLimit($GLOBALS['smwgSubPropertyListLimit'] + 1);
$subproperties = $this->store->getPropertySubjects(new DIProperty('_SUBP'), $this->getDataItem(), $requestOptions);
// Pop the +1 look-ahead from the list
if (count($subproperties) > $GLOBALS['smwgSubPropertyListLimit']) {
array_pop($subproperties);
$more = true;
}
$result = '';
$resultCount = count($subproperties);
if ($more) {
$message = Html::rawElement('span', array('class' => 'plainlinks'), wfMessage('smw-subpropertylist-count-with-restricted-note', $resultCount, $GLOBALS['smwgSubPropertyListLimit'])->parse());
} else {
$message = wfMessage('smw-subpropertylist-count', $resultCount)->text();
}
if ($resultCount > 0) {
$titleText = htmlspecialchars($this->mTitle->getText());
$result .= "<div id=\"mw-subcategories\">\n<h2>" . wfMessage('smw_subproperty_header', $titleText)->text() . "</h2>\n<p>";
if (!$this->mProperty->isUserDefined()) {
$result .= wfMessage('smw_isspecprop')->text() . ' ';
}
$result .= $message . "</p>" . "\n";
if ($resultCount < 6) {
$result .= SMWPageLister::getShortList(0, $resultCount, $subproperties, null);
} else {
$result .= SMWPageLister::getColumnList(0, $resultCount, $subproperties, null);
}
$result .= "\n</div>";
}
return $result;
}
public function testFindPartialEmbeddedQueryTargetLinksHashListFor()
{
$row = new \stdClass();
$row->s_id = 1001;
$idTable = $this->getMockBuilder('\\stdClass')->setMethods(array('getDataItemPoolHashListFor'))->getMock();
$idTable->expects($this->once())->method('getDataItemPoolHashListFor');
$connection = $this->getMockBuilder('\\SMW\\MediaWiki\\Database')->disableOriginalConstructor()->getMock();
$connection->expects($this->once())->method('select')->with($this->equalTo(\SMWSQLStore3::QUERY_LINKS_TABLE), $this->anything(), $this->equalTo(array('o_id' => array(42))))->will($this->returnValue(array($row)));
$connectionManager = $this->getMockBuilder('\\SMW\\ConnectionManager')->disableOriginalConstructor()->getMock();
$connectionManager->expects($this->any())->method('getConnection')->will($this->returnValue($connection));
$store = $this->getMockBuilder('\\SMW\\SQLStore\\SQLStore')->disableOriginalConstructor()->setMethods(array('getObjectIds'))->getMockForAbstractClass();
$store->setConnectionManager($connectionManager);
$store->expects($this->any())->method('getObjectIds')->will($this->returnValue($idTable));
$dependencyLinksTableUpdater = $this->getMockBuilder('\\SMW\\SQLStore\\QueryDependency\\DependencyLinksTableUpdater')->disableOriginalConstructor()->getMock();
$dependencyLinksTableUpdater->expects($this->any())->method('getStore')->will($this->returnValue($store));
$queryResultDependencyListResolver = $this->getMockBuilder('\\SMW\\SQLStore\\QueryDependency\\QueryResultDependencyListResolver')->disableOriginalConstructor()->getMock();
$instance = new QueryDependencyLinksStore($queryResultDependencyListResolver, $dependencyLinksTableUpdater);
$requestOptions = new RequestOptions();
$requestOptions->setLimit(1);
$requestOptions->setOffset(200);
$instance->findEmbeddedQueryTargetLinksHashListFor(array(42), $requestOptions);
}
/**
* Based on the CHUNK_SIZE, target links are purged in an instant if those
* selected entities are < CHUNK_SIZE which should be enough for most
* common queries that only share a limited amount of dependencies, yet for
* queries that expect a large subject/dependency pool, doing an online update
* for all at once is not feasible hence the iterative process of creating
* batches that run through the job scheduler.
*
* @param array|string $idList
*/
private function findEmbeddedQueryTargetLinksBatches($idList)
{
if (is_string($idList) && strpos($idList, '|') !== false) {
$idList = explode('|', $idList);
}
if ($idList === array()) {
return true;
}
$queryDependencyLinksStoreFactory = new QueryDependencyLinksStoreFactory();
$queryDependencyLinksStore = $queryDependencyLinksStoreFactory->newQueryDependencyLinksStore($this->store);
$requestOptions = new RequestOptions();
// +1 to look ahead
$requestOptions->setLimit($this->limit + 1);
$requestOptions->setOffset($this->offset);
$hashList = $queryDependencyLinksStore->findEmbeddedQueryTargetLinksHashListFor($idList, $requestOptions);
if ($hashList === array()) {
return true;
}
$countedHashListEntries = count($hashList);
// If more results are available then use an iterative increase to fetch
// the remaining updates by creating successive jobs
if ($countedHashListEntries > $this->limit) {
$job = new self($this->getTitle(), array('idlist' => $idList, 'limit' => $this->limit, 'offset' => $this->offset + self::CHUNK_SIZE));
$job->run();
}
wfDebugLog('smw', __METHOD__ . " counted: {$countedHashListEntries} | offset: {$this->offset} for " . $this->getTitle()->getPrefixedDBKey() . "\n");
list($hashList, $queryList) = $this->doBuildUniqueTargetLinksHashList($hashList);
$this->applicationFactory->singleton('CachedQueryResultPrefetcher')->resetCacheBy($queryList);
$this->addPagesToUpdater($hashList);
}
