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From "Charles Moulliard (JIRA)" <j...@apache.org>
Subject [jira] Updated: (SMX4-454) Provide example : camel-loadbalancing-cxf-jax-rs-dao
Date Wed, 23 Dec 2009 16:45:40 GMT

     [ https://issues.apache.org/activemq/browse/SMX4-454?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Charles Moulliard updated SMX4-454:
-----------------------------------

    Attachment: reportincident-rest.zip

Here is the maven project + README file

> Provide example : camel-loadbalancing-cxf-jax-rs-dao
> ----------------------------------------------------
>
>                 Key: SMX4-454
>                 URL: https://issues.apache.org/activemq/browse/SMX4-454
>             Project: ServiceMix 4
>          Issue Type: New Feature
>            Reporter: Charles Moulliard
>             Fix For: 4.1.0
>
>         Attachments: reportincident-rest.zip
>
>
> I will provide my code for the users interested to do this kind of architecture in SMX4
> REST requests can be balanced across several jetty / HTTP Servers. The requests are processed
by CXF Bean endpoint extracting the information (operation type; parameters) and placed in
ActiveMQ queue. Another camel route process the messages from the queue and dependingon the
operation type call the method of a service bean (= DAO). This class is handled by Spring/EclipseLink
and connect to a DB (HSQLDB/Derby) to post or retrieve data. The result is send back to the
CXF bean endpoint
> Remark : To have a real cluster architecture, users could deploy the second camel route
in several instances (same SMX4 server or separate) in order to show that we can consume messages
of a queue from different endpoints (if one fails, another can process it)
> Technology involved :
> - Spring OSGI Service
> - Spring ORM 
> - EclipseLink JPA
> - Camel (camel-jetty, camel-cxf, camel-http, camel-jms, loadbalancing, routing)
> - DAO

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