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From "Gary Martin (JIRA)" <>
Subject [jira] [Created] (COMDEV-107) Create a topic-based pub/sub for IResourceChangeListener
Date Mon, 24 Feb 2014 17:46:19 GMT
Gary Martin created COMDEV-107:

             Summary: Create a topic-based pub/sub for IResourceChangeListener
                 Key: COMDEV-107
             Project: Community Development
          Issue Type: New Feature
            Reporter: Gary Martin

Note: Was COMDEV-95

Apache Bloodhound is a software development collaboration tool, including issue tracking,
wiki and repository browsing (see: Bloodhound extends Trac
( with multiple product support, advanced search functionality,
ticket relations, a simpler installer and sleeker user interface. Apache Bloodhound recently
graduated from the Apache Incubator as a stand-alone Apache project.


Resource listeners often will watch events for a limited, well-known set of resource realms
(e.g. ticket + attachment).
The current dispatching strategy (i.e. match_resource) is mostly ‚Äčcontent based (
). It behaves in O(r * l) order of magnitude. This might lead to a lot of extra (unnecessary)

Proposed solution:

A performance improvement could be to allow listeners to register to dedicated realm channels
(i.e. ‚Äčtopic-based filtering [
]) , thus turning the dispatch algorithm into O(l) , at least when it is a ok to do so ;)
PS: We shall not loose the current content-based filtering capabilities , so in advance I
advocated using a hybrid strategy .

Skills needed:

Bloodhound and Trac are written in Python, so a moderate dose of Python programing skills
are required.


Link to the original issue:

More GSoC-related tasks for Bloodhound:!closed&keywords=~gsoc

Guidelines for contributing to Apache Bloodhound:

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