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From "Stephen Gargan (JIRA)" <>
Subject [jira] Commented: (CAMEL-2472) A Zookeeper Component for Camel
Date Wed, 17 Feb 2010 17:58:47 GMT


Stephen Gargan commented on CAMEL-2472:

Yes absolutely. Zookeeper is a sub project of Hadoop, a top level
Apache project. The license is Apache 2.0

> A Zookeeper Component for Camel
> -------------------------------
>                 Key: CAMEL-2472
>                 URL:
>             Project: Apache Camel
>          Issue Type: New Feature
>    Affects Versions: 2.3.0
>            Reporter: Stephen Gargan
>            Priority: Minor
>             Fix For: 2.3.0
>         Attachments: zookeeper-3.3.0.jar, zookeeper.patch
> I've put together a basic component implementation for interacting with a Zookeeper Cluster
( Its a reasonably complete implementation, providing
much of the available functionality of the 3.3.0 api. The main features being the abilities
> - Creation of nodes in any of the ZooKeeper create modes.
> - Get and Set the data contents of arbitrary cluster nodes.
> - Create and retrieve the list the child nodes attached to a particular node. 
> - A Distributed RoutePoilcy that leverages a Leader election coordinated by ZK to determine
if exchanges should get processed. 
> It's build against the Head of Zookeepers current release stream, 3.3.0. Zookeeper (Like
the rest of the Hadoop project) uses a custom ant build and so there are no SNAPSHOTS. This
is a bit of an impediment, but its likely that the Zookeepr project will cut a release before
too long. In the meantime, to get some soak time in the real world, I've attached a freshly
cut jar from the head today so you can try the component out. It can be installed using the
following command.
> mvn install:install-file -DgroupId=org.apache.zookeeper -DartifactId=zookeeper -Dversion=3.3.0
-Dpackaging=jar -Dfile=zookeeper-3.3.0.jar
> I'm putting together some documentation and will be happy to add it to the wiki if the
component gets picked up. I hope the project can find this useful.

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