Szervusz Kristof!
Köszönöm, hogy használod a Wicket-et!
If you want an example with Hibernate binding, then you might look into the CD-App example. This is probably the most complex example we have to date. This example is not present any more in the CVS HEAD (I think), but should be in the Wicket-0.9.19-beta examples package.
Probably someone else can answer your question concerning the instantiations. I do know that Wicket was designed to be scalable, so you shouldn't have to worry (too much) about instantiations.
Martijn
Kristof Jozsa wrote:
Hi all,
I'm a newcomer, so let me start with the disclaimer: I first glanced at wicket on last Friday.. I've read back mostly the user list archive and also read some docs, but still I have an open question which I'd like to get an answer for.
I don't really understand the logic of Page instantiation in wicket apps. I added some log to the WicketExamplePage constructor and watched when it runs when browsing through the examples. Appearently, it instantiates the page class for each request in the Navomatic example, as it does for the GuestBook example, until its form gets posted for the first time. After then, it never does it.. anyone can please give a hint about the logic being used here? (I'm really worried about Page instantiations from performance point of view).
If you allow me an other comment, I truely miss a slightly more complicated example from the distribution. While I was wondering about using ListViews in the pages, I could not found an example which does not use an in-memory representation of the model (maybe it's my fault). There was one example which used some tricking about invalidating the model on each edit action, but I still feel that model-to-view binding a bit static. I'd love to see an example where the model is coming from the middleware and is dynamically binded to the wicket component, not where the components store the model either themselves or in the session.
I used the 0.9.19 release of both wicket and the examples (just fetching HEAD from cvs now).
thanks much in advance,
Kristof Jozsa
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