/**
* Returns a query cache instance.
*
* @return Erfurt_Cache_Frontend_QueryCache
*/
public function getQueryCache()
{
if (null === $this->_queryCache) {
$config = $this->getConfig();
require_once 'Erfurt/Cache/Frontend/QueryCache.php';
$this->_queryCache = new Erfurt_Cache_Frontend_QueryCache();
$backend = $this->_getQueryCacheBackend();
$this->_queryCache->setBackend($backend);
}
return $this->_queryCache;
}
public function getMaterializedViewName($subject, $predicate, $object)
{
if (self::$_materializedViews == null) {
self::$_materializedViews = $this->getBackend()->getMaterializedViews();
}
if (!$subject instanceof Erfurt_Rdf_Resource) {
$subject = null;
} else {
$subject = (string) $subject;
}
if (!$predicate instanceof Erfurt_Rdf_Resource) {
$predicate = null;
} else {
$predicate = (string) $predicate;
}
if (!$object instanceof Erfurt_Rdf_Resource) {
$object = null;
} else {
$object = (string) $object;
}
foreach (self::$_materializedViews as $view) {
if ($view['subject'] == $subject && $view['predicate'] == $predicate && $view['object'] == $object) {
return $view['tblName'];
}
}
return false;
}
