original_string: public function isDue()
      {
          $expression = $this->getExpression();
          $cron = CronExpression::factory($expression);
          return $cron->isDue();
      }
code: public function isDue()
      {
          $expression = $this->getExpression();
          $cron = CronExpression::factory($expression);
          return $cron->isDue();
      }
code_tokens: public function isDue ( ) { $ expression = $ this -> getExpression ( ) ; $ cron = CronExpression :: factory ( $ expression ) ; return $ cron -> isDue ( ) ; }
docstring: Check cron expression
  
  @return bool true if cron should be executed
docstring_tokens: Check cron expression