On Sat, 25 Aug 2001, Mircea Toma wrote:
>
> ----- Original Message -----
> From: "giacomo" <[EMAIL PROTECTED]>
> To: "Avalon Development" <[EMAIL PROTECTED]>
> Sent: Saturday, August 25, 2001 3:18 PM
> Subject: Re: LogKitManagement
>
>
> > On Sat, 25 Aug 2001, Mircea Toma wrote:
> >
> > >
> > > ----- Original Message -----
> > > From: "giacomo" <[EMAIL PROTECTED]>
> > > To: "Avalon Development" <[EMAIL PROTECTED]>
> > > Sent: Saturday, August 25, 2001 1:32 PM
> > > Subject: Re: LogKitManagement
> > >
> > >
> > > > On Sat, 25 Aug 2001, Mircea Toma wrote:
> > > >
> > > > >
> > > > > ----- Original Message -----
> > > > > From: "giacomo" <[EMAIL PROTECTED]>
> > > > > To: "Avalon Development" <[EMAIL PROTECTED]>
> > > > > Sent: Saturday, August 25, 2001 9:54 AM
> > > > > Subject: LogKitManagement
> > > > >
> > > > >
> > > > > >
> > > > > > Dear all
> > > > > >
> > > > > > I've committed the updated Component Management System in
> Excalibur
> > > that
> > > > > > work together with the recently written LogKitManagement System.
> > > > > >
> > > > > > The fact that the ExcaluburComponentManager is in the java
> directory
> > > > > > where as the LogKitManagement classes were still in the scratchpad
> > > > > > directory I had to move the LogKitManagment classes into the java
> area
> > > > > > because the build procedure does not work together when you have
> to
> > > mix
> > > > > > those areas.
> > > > > >
> > > > > > I have tested them quite alot (jswat and some batches) and there
> is a
> > > > > > test based on ExcaliburTestCase to see it working I propose to
> move
> > > the
> > > > > > LogKitManagement classes into the java tree.
> > > > > >
> > > > > > I don't know the release schedule for Excalibur but I would like
> to
> > > see
> > > > > > the LogKitManagement making it into the next release which can be
> > > > > > integrated into Cocoon 2 before the the next release will go live.
> > > > > >
> > > > > > Right now I'll write the xdocs for the LogKitManagement which I'll
> > > > > > commit soon.
> > > > > >
> > > > > > So, the hard part has just started. Some more LogTargetFactories
> have
> > > to
> > > > > > be written to make the system more handy ;)
> > > > >
> > > > > I would like to do that! I can start with RotatingFileFactory,
> > > > > JMSTopicTargetFactory, JDBCTargetFactory .... because I need then
> > > anyway!
> > > >
> > > > I think it's best to have one Factory for a media target (I/O, JMS,
> > > > JDBC). So, the FileTargetFactory should be able to be configured to
> > > > create rotating or not targets, if rotating then by size or time or
> > > > both, etc.
> > > >
> > > > What do you think?
> > >
> > > I think you're right! I can make FileTargetFactory configuration
> something
> > > like (2 examples):
> > >
> > > <targets>
> > > <file id="root">
> > > <filename>logs/main.log</filename>
> > > <strategy>
> > > <file type="revolving" init="5" max="10"/>
> > > <rotate by="or">
> > > <rotate by="size"/>
> > > <rotate by="time"/>
> > > </rotate>
> > > </strategy>
> > > <format type="exteded">%7.7{priority} %5.5{time} [%8.8{category}]
> > > (%{context}): %{message}\n%{throwable}</format>
> > > <append>true</append>
> > > </file>
> >
> > how about simply:
> >
> > <targets>
> > <file id="root">
> > <filename>logs/main.log</filename>
> > <rotation type="revolving" init="5" max="10">
> > <size>10m</size>
> > <time>24:00:00</time>
> > <rotation>
> > <format type="exteded">%7.7{priority} ... </format>
> > <append>true</append>
> > </file>
> > <file id="classloader">
> > <filename>logs/classloader.log</filename>
> > <rotation type="unique"/>
> > <size>10m</size>
> > </rotation>
> > <format type="raw"/>
> > </file>
> > </targets>
>
> It is simpler, I tend to overuse attributes!
No problem, good that we can descuss it here :)
>
> >
> > I think this will give sufficent information to the factory to decide
> > which LogTarget to create and whitch RotateStrategy and FileStrategy to
> > choose (if any).
> >
> > Since every rotation need a single FileStrategy we can give it as an
> > attribute to the rotation element. Inside we can have a size and/or
> > time element denoting which RotateStrategy to choose (sure if there is
> > <size> _and_ <time> we need to put them into an OrRotateStrategy).
> >
> > What do you think?
>
> We can do something like:
>
> <rotation type="revolving" init="5" max="10">
> <and>
> <or>
> <size>10m</size>
> <time>24:00:00</time>
> </or>
> <other>xxx</other>
> </and>
> </rotation>
>
> ... the OR/ANDRotateStrategy should be represented by an element too, this
> will allow XMLSchema validation and the construction of more complex
> rotation rules!
Do you see any need of such complex rotation conditions? I fear those
complex condition because it makes it too obscure and sometimes it is
the Flexibility Syndrome (FS) which drives us into situations we
don't really need.
Personally I don't see any other criteria to rotate a file then size and
time. I can see the OR operation but no AND (size > 10m && time <
23:59:59 ??)
Giacomo
>
>
> Mircea
>
> >
> > Giacomo
> >
> > > <file id="classloader">
> > > <filename>logs/classloader.log</filename>
> > > <strategy>
> > > <file type="unique"/>
> > > <rotate by="size"/>
> > > </strategy>
> > > <format type="raw"/>
> > > </file>
> > > </targets>
> > >
> > >
> > > ... something like this?!
> > >
> > >
> > > Mircea
> > >
> > > >
> > > > Giacomo
> > > >
> > > >
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