[logback-user] SiftingAppender question

Ceki Gulcu ceki at qos.ch
Mon Oct 4 20:49:53 CEST 2010


You could have parameter values read from MDC if you were using 
GSiftingAppender, the equivalent of SiftingAppender written in Groovy. 
Is using Groovy an option for you?

On 04.10.2010 19:40, Gabor Dolla wrote:
> Hi and thank you for helping me.
>
> Unfortunatelly this does not answer my question.
>
> I understand the discriminator object. What I 'd like to achieve is that
> when the siftingappender creates a new appender because the
> discriminator object is new then the new appender should take certain
> parameters (filename, pattern) from mdc.
>
> Thanks
>
> Gabor
>
>
> On Mon, Oct 4, 2010 at 7:22 PM, Ceki Gulcu <ceki at qos.ch
> <mailto:ceki at qos.ch>> wrote:
>
>     On 04.10.2010 13:17, Gabor Dolla wrote:
>
>         Hi
>
>         Is it possible to configure the SiftingAppender to use
>         parameters from
>         MDC other than the discriminator ?
>
>
>     SiftingAppender takes a disriminator object as a configuration
>     parameter. In the absence of a discriminator specification,
>     SiftingAppender defaults to a discriminator of type
>     *MDCBasedDiscriminator* which uses the contents of the MDC for its
>     discriminating action. You can choose which key to use, e.g. logger
>     of your example.
>
>     Does this answer your question?
>
>     --
>     Ceki
>
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