Provide example : camel-loadbalancing-cxf-jax-rs-dao
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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
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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