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From Nestor Urquiza <nest...@yahoo.com>
Subject Re: [SCXML] enabling/disabling logging for var assignments
Date Fri, 17 Nov 2006 19:38:34 GMT
Logging Tutorial created [1]
JIRA issue including the proposed patch [2]

Thanks

-Nestor

[1]
http://wiki.apache.org/jakarta-commons/SCXML/Tutorials/Logging#preview
[2] https://issues.apache.org/jira/browse/SCXML-31

--- Rahul Akolkar <rahul.akolkar@gmail.com> wrote:

> On 11/17/06, Nestor Urquiza <nestoru@yahoo.com>
> wrote:
> >
> > --- Rahul Akolkar <rahul.akolkar@gmail.com> wrote:
> >
> > > On 11/16/06, Nestor Urquiza <nestoru@yahoo.com>
> > > wrote:
> > > > Since it took me a while to learn about the
> > > > commons-logging wrapper and current log
> engines I
> > > will
> > > > post here my results just in case someone has
> a
> > > > similar problem in the future:
> > > >
> > > <snip-sample-code/>
> > >
> > > Thanks for posting for the archives. I prefer
> the
> > > properties files for
> > > quick configuration. See log4j manual [1] for
> > > details. Please feel
> > > free to post any of this on the Commons SCXML
> wiki.
> > >
> >
> > Yes property or xml both are aditional files for
> the
> > package I am building, and since I am forced to
> use a
> > propietary logging package I did not want to add
> more
> > resources ... that is why I went for setting
> > programmatically Log4J.
> >
> > Do you have a suggestion for "where to post this
> > specific logging configuration on WIKI?"
> >
> <snip/>
> 
> Post it wherever you like ;-) (as long as its in the
> Commons SCXML space).
> 
> If I were doing it, I'd probably post it as a link
> it from the
> tutorials section on the HomePage [1], say as
> '../Tutorials/Logging'
> 
> 
> > >
> > > The Tracer is meant to be a one-stop shop for
> basic
> > > examples -- it
> > > provides a dummy impl (that logs callbacks) for
> most
> > > interfaces that
> > > one needs while dealing with the Commons SCXML
> APIs.
> > >
> > > The warning() method comes from the SAX
> ErrorHandler
> > > and is really
> > > orthogonal to logging. Its probably best to
> stick
> > > with JCL the way its
> > > currently done.
> >
> > Thanks for the explanation, I need then to log to
> a
> > separate scxml logging file the SCXML bits.
> >
> > Do you have a suggestion about a syntax for
> logging
> > the information from the bits? Just as a reminder
> I
> > used this in my code:
> >
> > String msg = "Var." + name + "=" + varStr;
> > if( appLog.isInfoEnabled() )
> >            appLog.info( msg );
> >
> <snap/>
> 
> If you want, you can open a JIRA issue [2] and
> optionally attach a
> patch [3] so we don't forget to get this logging bit
> in the codebase
> (and the next release).
> 
> -Rahul
> 
> [1]
>
http://wiki.apache.org/jakarta-commons/SCXML/HomePage
> [2] http://issues.apache.org/jira/browse/SCXML
> [3] http://jakarta.apache.org/commons/patches.html
> 
> 
> > -Nestor
> >
> > >
> > > -Rahul
> > >
> > > [1]
> http://logging.apache.org/log4j/docs/manual.html
> > >
> > >
> > > > Maybe PathResolverHolder is the place to
> specify a
> > > > method trace() that could be generically
> > > implemented
> > > > by an abstract class from where finally the
> data
> > > model
> > > > bits would inherit. maybe the best way is just
> to
> > > > separately define the trace() method for those
> > > bits we
> > > > are interested in.
> > > >
> > > > Bottom line the idea of having a trace of what
> is
> > > > going on and my failure to make the whole
> system
> > > log
> > > > into a unique file made me think about this
> > > > alternative which maybe is even better than
> just
> > > > logging.
> > > >
> > > > Thanks,
> > > >
> > > > -Nestor
> > > >
> > > <snip/>
> 
>
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