Yes, intercepting every field access could hit performance, but I
don't think can be a very serious issue:
@Before("get(@SpringBean * *)")
public void matchAnnotatedFields(JoinPoint thisJoinPoint) {
Concerning transient fields, there is a declare error on annotated
fields which are not transient:
@DeclareError("get(@wicket.contrib.spring.aspectj.SpringBean !transient * *)")
public static final String MUST_BE_TRANSIENT = "SpringBean annotated "
+ "field must be transient.";
2005/12/13, Igor Vaynberg <[EMAIL PROTECTED]>:
> that should work if you declare your fields transient. but what is the
> performance hit? youd have to intercept every field access no?
>
> -Igor
>
>
>
> On 12/13/05, Eduardo Rocha <[EMAIL PROTECTED]> wrote:
> >
> > The semantic is "any time an annotated field is read, it is checked to
> > see if it is null, and if it is, instantiate it". I think this is OK
> > with this code, what do you think?
> >
> > 2005/12/13, Igor Vaynberg < [EMAIL PROTECTED]>:
> > > hmm
> > > what about stuff like this:
> > >
> > > UserDetachableModel { long userid; private UserService svc; transient
> User
> > > user; void attach() { user= svc.load(userid); }
> > >
> > > new DetachableModel(10, userService); where userService is a proxy to
> the
> > > user service bean.
> > >
> > > having these proxies means i can pass them into any object i want such
> as a
> > > detachable model or a data provider, and when those things are
> > > serealized/deserialized there is no problem.
> > >
> > > -Igor
> > >
> > >
> > >
> > > On 12/13/05, Eduardo Rocha < [EMAIL PROTECTED]> wrote:
> > > >
> > > > Igor,
> > > >
> > > > As I said in another post, proxies are not needed with AspectJ.
> > > >
> > > > 2005/12/13, Igor Vaynberg < [EMAIL PROTECTED]>:
> > > > > have a look here
> > > > >
> > > > > http://www.wicket-wiki.org.uk/wiki/index.php/Spring
> > > > >
> > > > > this explains both integration strategies and why the proxies are
> > > needed.
> > > > >
> > > > > -Igor
> > > > >
> > > > >
> > > > > On 12/13/05, Eduardo Rocha < [EMAIL PROTECTED]> wrote:
> > > > > > You are right. I will look at the current implementation to see if
> it
> > > > > > works like it is working for me.
> > > > > >
> > > > > > 2005/12/13, Igor Vaynberg <[EMAIL PROTECTED]>:
> > > > > > > automatic injection is not the problem. the problem is that
> injected
> > > > > > > dependencies cannot be serialized, thus the whole proxy
> approach.
> > > > > > >
> > > > > > > -Igor
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > On 12/13/05, Eduardo Rocha < [EMAIL PROTECTED] > wrote:
> > > > > > > >
> > > > > > > > Spring 2.0 will bring support to objects which are not
> > > instantiated by
> > > > > > > > the container:
> > > > > > > >
> > > > > > > >
> > > > > > >
> > > > >
> > >
> http://www.theserverside.com/news/thread.tss?thread_id=38047
> > > > > > > >
> > > > > > > > Actually it is very similar with what I was doing, except that
> the
> > > > > > > > article uses a prototype (template) object in configuration,
> while
> > > I
> > > > > > > > am annotating each field, like wicket-contrib-spring does.
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > >
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