hashKey += args[i].getClass().getName();
if (args[i] != null) { hashKey += args[i].getClass().getName(); } else { hashKey += "null"; }
	private String generateServiceHashKey(String service, String method, Object[] args)	{		String hashKey = service + "." + method + "(";		if (args != null)		{			for (int i = 0; i < args.length; i++)			{				hashKey += args[i].getClass().getName();				if (i + 1 < args.length)				{					hashKey += ", ";				}			}		}		hashKey += ")";		return hashKey;	}