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From "Bill Graham (JIRA)" <j...@apache.org>
Subject [jira] Updated: (CHUKWA-469) Create a JMSAdaptor
Date Tue, 06 Apr 2010 16:33:33 GMT

     [ https://issues.apache.org/jira/browse/CHUKWA-469?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Bill Graham updated CHUKWA-469:
-------------------------------

    Attachment: CHUKWA-469.1.patch

Attaching CHUKWA-469.1.patch, which includes JMSAdaptor and supporting classes as described
above. There are many unit tests to look at for usage of this adaptor. Once it's incorporated
I'll can of course add documentation to the site as well.

My previous comment above was incorrect though, as I believe this implementation is bound
to having an ActiveMQ broker. I've introduced one dependency into ivy, which is activemq-core.
I've also tried to isolate the dependency so it could be subclassed and swapped out. In {{JMSAdaptor}}
this method is the one place where AMQ is integrated:

{noformat} 
protected ConnectionFactory initializeConnectionFactory(String brokerURL) {
    return new ActiveMQConnectionFactory(brokerURL);
}
{noformat}

Any suggestions for how to best handle this dependency? We could say that JMSAdaptor by default
uses AMQ, but it could be subclassed for other JMS providers. Or we could make JMSAdaptor
abstact and have a concrete ActiveMQJMSAdaptor subclass.

> Create a JMSAdaptor
> -------------------
>
>                 Key: CHUKWA-469
>                 URL: https://issues.apache.org/jira/browse/CHUKWA-469
>             Project: Hadoop Chukwa
>          Issue Type: New Feature
>            Reporter: Bill Graham
>            Assignee: Bill Graham
>         Attachments: CHUKWA-469.1.patch
>
>
> We should have a JMSAdaptor that listens to a JMS queue for messages to send to a collector.

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