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Additional logging questions

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I _think_ these supplementary questions will be a lot less of a struggle 
than the others in "Aspect questions" thread. That thread is getting on 
the long side so I thought I'd ask these in a new thread.

Basically, I'm looking for advice on what should always be logged by 
every class. I understand now that every class is going to have its own 
logger but what should be logged? 

Or to put it another way, are there cases where a class won't log at all? 

I'm thinking of things like Enums. If I have an enum that lists the days 
of the week, there's not much to go wrong there and I'm not likely to 
throw exceptions or even have a try/catch block. So should it just be 
left so that it isn't logging at all? Or should there be some standard 
bare-minimum sort of logging, like an entering() and existing(), even if 
nothing else of interest goes on? 

What about holder classes? I'm not sure if I'm using the terminology 
correctly but I'm thinking of a class where you simply store related bits 
of data, like a Name class whose constructor insists on a first name and 
a last name and then supplies getters and setters so that another class 
can ask for just the first name or just the last name? (Let's pretend 
that everyone has exactly one given name and one surname, no exceptions, 
just to keep this simple). This could be an awfully barebones class if it 
only had a two line constructor and one line getters and setters. Should 
it log anyway?

My feeling is that Lew would say NOT to log unless there was a good 
reason to log and then cite several good reasons to log. I'm not sure if 
something like an enum or a holder class (if I've used the term 
correctly) would EVER justify logging though.

I may have completely misread Lew and, if so, I'm sorry. Maybe this is 
another premature leap....

Some of the rest of you may differ dramatically on what should be logged 
and when it is okay not to bother. I hope some of you can share those 
thoughts with me.

Basically, I'm just about ready to start getting loggers for each and 
every class in the project I'm working on now (with plans to do the same 
in every project as I create it or return to it). But I don't want to do 
too much logging either.....

-- 
Novice

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Additional logging questions Novice <novice@example..com> - 2012-02-27 02:02 +0000
  Re: Additional logging questions Arne Vajhøj <arne@vajhoej.dk> - 2012-02-26 21:08 -0500
    Re: Additional logging questions Novice <novice@example..com> - 2012-02-27 04:12 +0000
      Re: Additional logging questions Lew <noone@lewscanon.com> - 2012-02-26 22:13 -0800
        Re: Additional logging questions Novice <novice@example..com> - 2012-02-27 19:14 +0000
          Re: Additional logging questions Lew <noone@lewscanon.com> - 2012-02-27 12:32 -0800
          Re: Additional logging questions Lew <noone@lewscanon.com> - 2012-02-27 13:06 -0800
            Re: Additional logging questions Novice <novice@example..com> - 2012-02-28 01:48 +0000
              Re: Additional logging questions Arne Vajhøj <arne@vajhoej.dk> - 2012-02-27 20:57 -0500
                Re: Additional logging questions Lew <noone@lewscanon.com> - 2012-02-27 23:51 -0800
          Re: Additional logging questions Arne Vajhøj <arne@vajhoej.dk> - 2012-02-27 20:50 -0500
            Re: Additional logging questions Lew <noone@lewscanon.com> - 2012-02-27 23:57 -0800
        Re: Additional logging questions Arne Vajhøj <arne@vajhoej.dk> - 2012-02-27 20:45 -0500
          Re: Additional logging questions Leif Roar Moldskred <leifm@dimnakorr.com> - 2012-02-28 01:52 -0600
            Re: Additional logging questions Arne Vajhøj <arne@vajhoej.dk> - 2012-02-28 17:20 -0500
            Re: Additional logging questions Arved Sandstrom <asandstrom3minus1@eastlink.ca> - 2012-02-28 20:26 -0400
      Re: Additional logging questions Arne Vajhøj <arne@vajhoej.dk> - 2012-02-27 20:34 -0500
  Re: Additional logging questions Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2012-02-27 12:36 -0800
    Re: Additional logging questions Novice <novice@example..com> - 2012-02-28 01:43 +0000

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