private function get_journal_list($waterfall)
 {
     $list = array();
     $log_result = LogCollector::getLogListForWaterfall($waterfall);
     foreach ($log_result as $log_row) {
         $list[] = (object) array(
             'date' => date('F j, Y', strtotime($log_row->date)),
             'title' => $log_row->title,
             'url' => "/journal/{$log_row->alias}/",
         );
     }
     
     return $list;
 }