Hi Gregg:
I was talking about declarative JTA transactions. Spring can act as a
transaction manager (or abstract an underlying one). It works out-of-
container which is nice. You can use annotations to mark methods as
transactional / read-only / requires-new etc. This provides more
granularity than the approach of starting / committing a transaction
via a servlet filter or Stripes interceptor.
I assume that Christians' Interceptor would not be necessary if you
use the SpringObjectFactory. I do assume and hope that the the
@SpringBean annotation will continue to work - because I don't want to
clash with Stripe's own Spring support.
Chris.
On Dec 8, 2008, at 10:46 AM, Gregg Bolinger wrote:
Chris. This looks interesting. I have a couple of questions. When
you say "transactions" what kind of transactions are you talking
about? Also, if a stripes bean is a true spring bean then won't the
@Autowire annotation just work without Christian's interceptor? At
least, I would think so.
Gregg
On Mon, Dec 8, 2008 at 9:28 AM, Chris Herron <[EMAIL PROTECTED]> wrote:
Hi everybody,
We've seen a few different ways to integrate Stripes with Spring.
There's the built-in @SpringBean annotation, and Christian Nelson
recently shared an Interceptor implementation that allows the use of
the @Autowired annotation in ActionBeans. What both of these have in
common is that the ActionBean becomes a recipient of injected
dependencies, but does not become a Spring Bean itself.
I was interested in being able to use the Spring transaction and
security annotations within my ActionBeans. It turned out that the
only viable way to do this was to make the ActionBeans fully-fledged
Spring beans. So that's what I did.
Some of you probably know that Stripes 1.5.1 (not yet released) will
include an ObjectFactory interface that provides a way for us to
control the instantiation of most of the common Stripes components.
I have added the SpringObjectFactory to the StripesStuff project. It
turns ActionBeans and Interceptors into actual Spring beans, thus
allowing the use of annotations for transactions and security.
Regarding dependency injection, I assume that this will be
compatible with the Stripes @SpringBean annotation, and it should
also work with @Autowired, but since that was not my goal, I did not
test this. I would really appreciate if those interested would test
the DI and send me feedback.
There are some limitations related to 1) Spring component-scanning
and 2) the need to use CGLib proxies - see the release notes for
details.
Please note that if you want to try this before Stripes 1.5.1 is
released, you will need to check-out and build Stripes from the
source!
Chris.
To download, visit the Stripes Stuff Main Page (http://www.stripes-stuff.org/
), then go to "Download", then "Browse All Packages":
Direct links:
SpringObjectFactory Distribution Zip
Release notes and setup instructions
Source (in subversion)
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