has this already been mentioned?
http://wicketstuff.org/confluence/display/STUFFWIKI/wicket-contrib-javaee
-igor
On 6/7/07, Eelco Hillenius <[EMAIL PROTECTED]> wrote:
> Eelco, I realized that you are recommending using Spring or looking up
the
> bean on the fly some other way but I am working for a place where Spring
is
> not part of the "approved" stack and they have an established way that
> access to EJB's is coded.
Not really. I mean a @SpringBean *construct*, like you can find in the
Spring integration project. That project generates proxies for every
@SpringBean annot found. These proxies are light and serializable, and
internally hold a transient reference to the actual spring bean. When
serialized, the spring bean instance is discarded; the proxy will
locate it again when it is called.
You said you can't use annotations, so that trick wouldn't go here for
you. There used to be a project[1] (now only for 1.2.x) that used
commons attributes[2] for the same purpose, but we're not maintaining
it for 1.3 anymore (though it is stored as a wicket-stuff project
now[3]).
Alternatively, you can just locate the bean just in time. Are you sure
you need to keep a reference to it in your component(s)? And consider
that *if* you need a reference, it's probably per-request (so you'll
want a new one when a new request starts). If that is true, you can
just set the reference lazily (get it when you actually access it),
and null it in the components onDetach method (override that method;
it will be called when a request is handled) so that it won't be
serialized.
Eelco
[1]
http://svn.apache.org/repos/asf/incubator/wicket/branches/wicket-1.2.x/wicket-spring-annot
[2] http://jakarta.apache.org/commons/attributes/
[3]
https://wicket-stuff.svn.sourceforge.net/svnroot/wicket-stuff/trunk/wicket-spring-cattr
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