[jboss-user] [JBoss Microcontainer Users] - Re: Injecting bean instances in Servlets/EJBs

alesj do-not-reply at jboss.com
Sun Sep 20 04:07:47 EDT 2009

"genman" wrote : Looked over the documentation but I didn't really see any explanation or recommendation for how deployed beans are supposed to be accessed through Servlet deployments. Is JNDI the suggested way? Is there support for @javax.annotation.Resource tags for accessing your own beans? (I wonder how JBoss AS implements @Resource...)
There is simple integration that I wrote for Servlet + MC usage:
 - http://anonsvn.jboss.org/repos/jbossas/projects/mc-int/trunk/servlet/
 - http://anonsvn.jboss.org/repos/jbossas/projects/mc-tools/grapher/trunk/src/main/java/org/jboss/mctools/grapher/GrapherServlet.java

"genman" wrote : 
  | JNDI might be okay. If so, how can I be sure the Servlet is initialized AFTER my bean is?
You can define explicit dependency.
Afaik WebModule - which is how we deploy servlets - has depends notion.
Although I would have to look where you define them.

You could also add it through jboss-dependency.xml:
 - http://www.jboss.org/community/docs/DOC-13178

"genman" wrote : 
  | I guess I'm really after something like what Web Beans promises, which is integration of POJOs/dependency injection with JEE.
  | As an aside, I don't really see any code sharing between Microcontainer, Seam/Web Beans, which is odd, considering the functionality is in many ways similar.
This is exactly what Kabir is working on now:
 - http://anonsvn.jboss.org/repos/jbossas/projects/kernel/trunk/webbeans-int/

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