From: Chuck Remes <cremes.devlist@...>
Date: 2008-06-28T04:32:18+09:00
Subject: Re: Is it ellegant to use a global variable to store a Logger object?


On Jun 26, 2008, at 3:53 AM, Andrea Fazzi wrote:

> Chuck Remes ha scritto:
>>
>> On a related note, I'm curious how people solve the problem of  
>> turning logging on and off during runtime.
>>
>> I hate code like:
>>
>> logger.log(:debug, "some msg") unless logger.nil?
>>
>> I usually provide a null class for my loggers which silently  
>> swallow any messages sent to them if the logging function is  
>> disabled. It cleans up the code considerably.
>
> Of course you can do that because you're setting a logger instance  
> for each object with logging capability. But what to do if you are  
> using a global logger instance and you wish to turn off logging  
> selectively?

Correct. I haven't had a situation where I needed to do selective  
logging. I am open to suggestions for elegantly solving this problem.

cr