[logback-dev] [JIRA] Commented: (LBCLASSIC-190) Allow programmatic traversal of the logger tree

[Ceki Gulcu (JIRA)]

    [ http://jira.qos.ch/browse/LBCLASSIC-190?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=11584#action_11584 ] 

Ceki Gulcu commented on LBCLASSIC-190:
--------------------------------------

List in this case works well because most operations are about iterating on all children where List is a little more convenient than a Set. A list also uses up less memory space than a Set.

However, exposing a copy of the children list is possible. You would probably also be interested in a listener attached to the logger context informing you of changes made to various loggers (level change, appender add/delete).

> Allow programmatic traversal of the logger tree
> -----------------------------------------------
>
>                 Key: LBCLASSIC-190
>                 URL: http://jira.qos.ch/browse/LBCLASSIC-190
>             Project: logback-classic
>          Issue Type: Improvement
>          Components: Other
>    Affects Versions: 0.9.19
>            Reporter: Robert Elliot
>            Assignee: Logback dev list
>
> I'm interested in writing a module for logback to allow on the fly changes to the logger tree - changing levels, adding appenders, maybe adding filters with code supplied dynamically. My vision for the gui is to show the logger tree like a folder tree.
> However, now I come to look at it it seems neither the child loggers nor the parent logger of a logger are exposed, which rather blows this whole concept out of the water.
> Is there a particularly strong reason for this?  If not, I've forked logback here:
> http://github.com/Mahoney/logback
> and exposed the data.  As part of the same thing I changed the children from a List to a Set as it seems more semantically correct and cleans up the code slightly.

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