still not sure why you are trying to do it this way, seems silly to me to tie transaction handling with UI code. imho, your transactions should only be concerned with what happens in event handlers (onclick/onsubmit) and not through the enitire request cycle because anything outside the handlers should be read-only access and thus not require a transaction. so i think you are setting the boundaries a bit wide. but as i said, this is imho.
anyway i created an example of what you want a while back - pre requestcycle refactoring - so if you want to take a look you can find it here
http://www.mail-archive.com/wicket-user@lists.sourceforge.net/msg07587.html
my approach was a bit inversed opposed to yours. i used the application to handle sessions and used requestcycle to signal certain events to the application. that way all transaction mgmt lives in the application.
-Igor
On 12/17/05, John Patterson <[EMAIL PROTECTED]> wrote:
On Saturday 17 Dec 2005 15:19, Igor Vaynberg wrote:
> you might not be able to do it using the try/catch/finally semantic, but
> there are plenty of hooks in there to do it without. the
> iexceptionresponsestrategy is indirectly part of the cycle as well.
So the answer is no, you cannot have transaction handling code in one class?
This seems like it should be really simple to do so I am not sure I doing it
the way you suggest.
Is this your suggested approach:
1 - Override WebApplication.getDefaultRequestCycleFactory() to return new
instances of my own custom RequestCycle.
2 - Subclass WebRequestCycle to override onEndRequest() where I can
commit/rollback the transaction.
3 - Override WebApplication.getDefaultRequestCycleProcessor to create and
cache a single instance of CompoundRequestCycleProcessor with my own custom
IExceptionResponseStrategy.
4 - Subclass DefaultExceptionResponseProcessor to catch exceptions and signal
my custom WebRequestCycle that the transaction should be rolled back in
onEndRequest().
Thanks,
John
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