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From Gary Gregory <garydgreg...@gmail.com>
Subject Re: Hook into the RollingFileManager#write / Get notice about written bytes
Date Wed, 09 Mar 2016 17:46:35 GMT
Maybe we need some (async?) notification where a call site could registered
a listener of some kind...

Gary

On Wed, Mar 9, 2016 at 9:37 AM, Matt Sicker <boards@gmail.com> wrote:

> Appenders are usually final because the appender itself doesn't do much
> work (the managers do that), or at least that's what I gather.
>
> On 16 February 2016 at 10:31, <christian@myvm.de> wrote:
>
> > Hi all,
> >
> > this is the first time I'm writing to a mailing list - I hope I will do
> > it the right way :)
> >
> >
> > I migrated a few days ago from Log4J 1.2 to Log4J 2: In general I must
> > say: nice work guys and nice plugin system!
> >
> > But: I'm struggling with finding a way to get notice about the exact
> > size of written bytes. I want to find a way how to do some stuff when X
> > bytes were written in Y seconds. I couldn't use a filter and check the
> > LogEvent because it's not possible to get the actual size of written
> > bytes afterwards (because the layout will transform this...)
> >
> > I'm using a RollingFileAppender and could see, that this is using the
> > RollingFileManager and the perfect way would be to hook into this
> > write(byte[]) method.. but I can't find how to do this.
> >
> > In general I would create a subclass and overwrite write(byte[]).. but
> > this is impossible because everything there is final. All appenders, all
> > appender managers, all layouts, ... and I think it's not the way it
> > should be when I create a new "MyRollingFileAppender" and copy all the
> > stuff and add the part I need to the write method.
> >
> >
> > So is there anybody who could maybe help and know a solution for this
> > problem? And is there a specific reason that everything is final? :(
> >
> >
> >
> > Thank you in advance and best regards,
> >
> > Christian
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: log4j-user-unsubscribe@logging.apache.org
> > For additional commands, e-mail: log4j-user-help@logging.apache.org
> >
> >
>
>
> --
> Matt Sicker <boards@gmail.com>
>



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