[weld-dev] persistence and transactions outside Java EE
Dan Allen
dan.j.allen at gmail.com
Tue Nov 24 15:56:54 EST 2009
Yep, the spec states:
'In a Java EE implementation, a Managed Bean may use any of the resource
injection functionality laid out in Chapter 5 of the Java EE Platform
specification, “Resources, Naming and Injection“.'
Hmm, but the trouble is, where does that leave Tomcat and Jetty? And if the
resource like the persistence context or UT is to be injected, who is doing
the injecting? Of course, if EJB lite were present, it could handle it.
So basically, what I'm getting at is that perhaps CDI can provide this
transaction and persistence support (maybe even the resource injection) when
the Java EE environment is not present (meaning EJB lite is also absent).
Of course, we can prototype this as a portable extension today. I'm
certainly not opposed to that. But I would hope if we did, the long term
goal would be to somehow provide this in Java EE lite.
I understand this argument is circular, because eventually you arrive back
at the question "why not just make them use Java EE?" The idea is to attract
developers to Java EE by giving them one more stepping stone.
-Dan
--
Dan Allen
Senior Software Engineer, Red Hat | Author of Seam in Action
Registered Linux User #231597
http://mojavelinux.com
http://mojavelinux.com/seaminaction
http://www.google.com/profiles/dan.j.allen
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