code: @Override
  	public FilterReply decide(Marker marker, Logger logger, Level level, String format, Object[] params, Throwable t)
  	{
  		if(level.isGreaterOrEqual(logger.getEffectiveLevel()))
  			return FilterReply.NEUTRAL;
  
  		if(traceManager.inTrace(logger.getName()))
  			return FilterReply.ACCEPT;
  
  		return FilterReply.NEUTRAL;
  	}
docs: Checks to see if the current event should be logged based on if a relevant trace is active (or it would be logged anyway)
  @param marker the marker
  @param logger the logger
  @param level the level
  @param format the format
  @param params the parameters
  @param t the throwable
  @return "ACCEPT if a relevant trace is active, "NEUTRAL" otherwise.