code: public function handle($job, Closure $next)
  	{
  		$this->callBefore($job);
  
  		$handled = $next($job);
  
  		$this->callAfter($handled, $job);
  
  		return $handled;
  	}
docs: Handle the given job.
  
  @author	Andrea Marco Sartori
  @param	mixed	$job
  @param	Closure	$next
  @return	mixed