[jboss-dev-forums] [JBoss AS 7 Development] - Extensions, Subsystem and their Dependencies

[Dmitri Zamysloff]

Dmitri Zamysloff [https://community.jboss.org/people/dzcs] created the discussion

"Extensions, Subsystem and their Dependencies"

To view the discussion, visit: https://community.jboss.org/message/776404#776404

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Hi guys,

I am developing new extension for Jboss 7.1.1.Final for project needs and actually, thanx to people who did the documentation and archetype, I am pretty done. One thing which is not disclosed in documentation and which I cannot find anywhere is how to define dependencies in my subsystem or extension -  practically how to say jboss, that my extension depends on other subsystems. 

In my example I get datasource name and topic configured for my subsystem as simple string attributes (can be I had to use something else - dunno - so far string). But how can I ensure, that "datasources" and "messaging" subsystems are started and have already deployed their stuff  (datasources and topics) before start of my subsystem is called? 

As I said this topic is not documented well and unfortunatelly I could not find much info on it. Javadoc is also mostly absent.

Many thanks for your help in advance.

Dmitri
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