public function testObjectIndexerPerformance()
 {
     if (class_module_system_module::getModuleByName("news") === null) {
         return;
     }
     $objNews = new class_module_news_news();
     $objNews->setStrTitle("demo 1");
     $objNews->setStrIntro("intro demo news");
     $objNews->setStrText("text demo news");
     $objNews->updateObjectToDb();
     $strNewsId = $objNews->getSystemid();
     echo "Status changes with disabled changelog indexer integration...\n";
     class_module_system_changelog::$bitChangelogEnabled = false;
     $intTimeStart = microtime(true);
     $intQueriesStart = class_db::getInstance()->getNumber();
     for ($intI = 0; $intI < 150; $intI++) {
         $objNews->setIntRecordStatus($intI % 2);
         $objNews->updateObjectToDb();
     }
     $intTimeEnd = microtime(true);
     $time = $intTimeEnd - $intTimeStart;
     echo "Object updates: ", sprintf('%f', $time), " sec.\n";
     echo "Queries: ", class_db::getInstance()->getNumber() - $intQueriesStart . " \n";
     echo "Status changes with enabled changelog indexer integration...\n";
     class_module_system_changelog::$bitChangelogEnabled = true;
     $intTimeStart = microtime(true);
     $intQueriesStart = class_db::getInstance()->getNumber();
     for ($intI = 0; $intI < 150; $intI++) {
         $objNews->setIntRecordStatus($intI % 2);
         $objNews->updateObjectToDb();
     }
     $intTimeEnd = microtime(true);
     $time = $intTimeEnd - $intTimeStart;
     echo "Object updates: ", sprintf('%f', $time), " sec.\n";
     echo "Queries: ", class_db::getInstance()->getNumber() - $intQueriesStart . " \n";
     class_objectfactory::getInstance()->getObject($strNewsId)->deleteObjectFromDatabase();
 }