What I am looking for is a way set a logger based on the thread of
execution. In want to use this in a server process so, my example as a
server:
void login() {
Logger logger = LogManager.getLogger( "org.widgets.login" );
getUser();
...
}
void logout() {
Logger logger = LogManager.getLogger( "org.widgets.logout" );
getUser();
...
}
void getUser() {
// Which logger do I use?
}
So, getUser() would "inherit" its Logger based on who calls it (thread
of execution) not a parent object.
Tony
>>> [EMAIL PROTECTED] 06/08/04 09:21AM >>>
Tony,
Can you describe the concrete use case? Forget about the actual logger
objects for a second. Do you want logging from methodA+utilityMethod
and
methodB+utilityMethod to go to different places? Or do you basically
want
utilityMethod to inherit its logging context from some parent object?
At 03:11 PM 6/8/2004, Tony Thompson wrote:
>That is not really what I want. Let me expand my example a bit:
>
>void methodA() {
> Logger logger = LogManager.getLogger( "methodA" );
> utilityMethod( ... );
> ...
>}
>
>void methodB() {
> Logger logger = LogManager.getLogger( "methodB" );
> utilityMethod( ... );
> ...
>}
>
>void utilityMethod() {
> // Which logger do I use?
>}
>
>The NDC only gives me a way to put context sensitive information in
the
>logging statements. What I want is a way to get a Logger based on
some
>type of logging context. In my example, I want fine grained control
of
>my logging categories but, utilityMethod() may be called from
different
>places. Here is what I would like to see:
>
>void methodA() {
> Logger logger = LogManager.pushLoggingContext( "methodA" );
> utilityMethod( ... );
> ...
> LogManager.popLoggingContext();
>}
>
>void methodB() {
> Logger logger = LogManager.pushLoggingContext( "methodB" );
> utilityMethod( ... );
> ...
> LogManager.popLoggingContext();
>}
>
>void utilityMethod() {
> // Use the current logger.
> Logger logger = LogManager.getLoggingContext();
>}
>
>This, of course, could go on further too. utilityMethod() could
change
>the current Logger before it calls some other method, etc.
>
>Make sense?
>Tony
>
--
Ceki Gülcü
For log4j documentation consider "The complete log4j manual"
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