please read the doc about @InjectState...
if the user-data instance is not present in session scope,
tapestry will create a new instance ,when you access it during the first
time,
i think u can set some data in user-data object(may be using some different
constructor) from login component, inorder to identify that the
instance is created from login component
Cinzia-2 wrote:
>
> Hi,
>
> I'm (new to tapestry) using tapestry 4.0.2 and JBoss 4.0.5, and having
> problems with @InjectStateFlag.
>
> I have an Application Object "user-data" which contains a "user" among
> other
> objects (specified in hivemodule), this is used in a BaseComponent
> (login),
> and its state flag accessed in the pageValidate( PageEvent event ) method
> of
> "private page":
>
> <!-- hivemodule.xml -->
> <contribution configuration-id="tapestry.state.ApplicationObjects">
> <state-object name="user-data" scope="session">
> <create-instance class="com.cs.web.tapestry.domain.UserData"/>
> </state-object>
>
> <!-- login component -->
> @InjectState("user-data")
> public abstract UserData getUserData();
> public abstract void setUserData( UserData ud );
>
> <!-- private page -->
> @InjectStateFlag("user-data")
> public abstract boolean getUserDataExists();
>
> I know that if I use the following, the test getUserData().getUser() will
> return the correct value (e.g. null if not logged in), yet why is
> getUserData() already instantiated:
> @InjectState("user-data")
> public abstract UserData getUserData ();
>
> Thanks
> Cinzia
>
>
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