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From Reinhard Pötz <>
Subject Eventcache and JMS block
Date Wed, 30 Jul 2008 10:41:05 GMT

I've just applied Lukas' work on the event-cache and the jms blocks. The 
main tasks were the migration to Spring providing integration tests.

There isn't much to say about the event-cache migration but that we 
decided to remove the dependency on the JMS block. IMO the concept of 
events in Cocoon is more general than JMS which Lukas and I consider 
being one particular implementation.

The work on the JMS block consisted of two main parts: Cocoon provided 
it's own JMS connection implementation. Since we heavily use Spring in 
2.2, it doesn't make sense to keep them any longer because the Spring 
implemention is more advanced and better maintained than ours. The 
second part was adding an embedded ActiveMQ message broker to the JMS 
samples instead of using OpenJMS which had to be configured separately 
in order to run the samples.


. I've applied your patches with only some minor modifications. I moved 
the hsqldb dependency of jms-impl to jms-sample because I don't see any 
reason for having the related code in the impl block.

. Can you please prefix all the Spring beans in the samples with a 
unique namespace, e.g org.apache.cocoon.blocks.jms.sample.

. Can you provide changes.xml files for the two blocks. See e.g. the 
forms block as example.

. Please fix the wrong comment in 

. When you provide documentation (Daisy) I consider the two blocks as done.

Lukas, thank you very much for your good work. It's good to have you around!

Reinhard Pötz                           Managing Director, {Indoqa} GmbH

Member of the Apache Software Foundation
Apache Cocoon Committer, PMC member        

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