Can you post your Action code? I'm having a hard time visualizing... > -----Original Message----- > From: Drew McAuliffe [mailto:[EMAIL PROTECTED] > Sent: Wednesday, November 12, 2003 2:49 PM > To: [EMAIL PROTECTED] > Subject: [OS-webwork] ModelDriven question > > > I'm using the modeldriveninterceptor to populate the model > objects in my actions. For save and add operations, this > works fine. For loading operations, I'm having some problems. > My load code looks something like > this: > > this.model = saveCustomer(customer, session); > > In this case, the "model" instance variable is the same thing > that gets returned from the "getModel()" method needed to > implement ModelDriven. Here's how it is declared in the class: > > Customer model = new Customer(); > > The problem is that after the model instance is updated in > the action class, the updates aren't reflected in the value > stack. On a velocity result page, if I do > "$stack.findValue("name")" (assuming Customer has a getName() > property), I just get "name" back rather than the value. If I > call "$stack.findValue("top")", I get info about an empty > customer object (the "model" variable initialized for the new > action instance). If I call "$stack.findValue("model"), I get > info about the actual saved customer rather than the empty customer. > > It looks like somehow the reference to the model class, > stored at the top of the stack thanks to the > ModelDrivenInterceptor, isn't reflecting changes to the model > object to which it was originally pointed. "top" in the stack > gets me the original model object before the save, and > "model" gets me the updated version. The interceptor pushes > into the stack on its "before" method, so I can understand > how the original, empty version gets in there, but I fail to > see how its not getting updated. How is this happening, if, > as I would expect, the reference on the stack is just an > object reference? Or, when things are put into the stack, are > they copied by value instead of by reference? > > For now, I can just call "stack.push()" in my action after a > load, but this seems to be redundant and reflect something > missing in the ModelDrivenInterceptor. Should the interceptor > call the same code in it's "after" method (which is now > blank) as it does in its "before" method? Or is there some > other solution? > > Thanks, > > Drew > > > > ------------------------------------------------------- > This SF.Net email sponsored by: ApacheCon 2003, > 16-19 November in Las Vegas. Learn firsthand the latest > developments in Apache, PHP, Perl, XML, Java, MySQL, WebDAV, > and more! http://www.apachecon.com/ > _______________________________________________ > Opensymphony-webwork mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/opensymphony-webwork >
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