I have encountered a similar issue, and the use of onPrepare() doesn't make
sense to me. Surely there's no point persisting any fields and then
resetting in onPrepare() is there? May as well just remove the @Persist.
There must be something I'm missing here.. can anyone fill me in?
Howard Lewis Ship wrote:
>
> How about an onPrepare() event handler method to reset the _user field
> to a new User instance?
>
> On Jan 18, 2008 8:44 AM, Hugo Palma <[EMAIL PROTECTED]> wrote:
>> Imagine the following use case:
>>
>> A page to register a new user. I have a User class so i'm all set.
>> The page class looks something like:
>>
>> @Meta("tapestry.persistence-strategy=flash") // because of the
>> validation tracker thing
>> public class Register {
>> @Persist
>> private User _user = new User();
>>
>> public User getUser() {
>> return _user;
>> }
>>
>> public void setUser(User user) {
>> _user = user;
>> }
>> }
>>
>>
>> I'm not using the BeanEditForm component so my template just has a
>> couple of TextField components with it's value binded to the user bean
>> properties.
>> So, now the problem. Because of the way property persistence works, the
>> actual reference to the user property is kept, so instead of the
>> property being reset to a brand new instance it's given the kept
>> reference.
>> This means that every time that i navigate to the register page the form
>> will have the values from the last time the form was submitted.
>>
>> I guess a workaround would be on every place where i navigate to this
>> page, to reset the user property before navigating to it. This isn't a
>> very good solution design wise and doesn't solve the problem when
>> someone accesses the page directly from it's url.
>>
>> So, how are you guys implementing such use case ?
>>
>> Thanks
>>
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>>
>
>
>
> --
> Howard M. Lewis Ship
>
> Creator Apache Tapestry and Apache HiveMind
>
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