[jira] [Commented] (TAP5-1634) Grid, inPlace Update and expired Sessions - Redirect to Login

["Lenny Primak (Commented) (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TAP5-1634?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13127022#comment-13127022 ] 

Lenny Primak commented on TAP5-1634:
------------------------------------

Introduced a workaround for this.  
Created an @AJAX(requireSession = true) annotation.
In case there is no session, the annotation processing logic redirects to the same page.
The code is in FlowLogix module at http://code.google.com/p/flowlogix/
                
> Grid, inPlace Update and expired Sessions - Redirect to Login
> -------------------------------------------------------------
>
>                 Key: TAP5-1634
>                 URL: https://issues.apache.org/jira/browse/TAP5-1634
>             Project: Tapestry 5
>          Issue Type: Improvement
>          Components: tapestry-core
>    Affects Versions: 5.3, 5.4
>            Reporter: Lenny Primak
>            Priority: Minor
>
> I have a basic Grid pulling data from an Entity bean.  inPlace = true.
> Obviously, when session expires, I get the "there is no data to display" message.
> What I really want to do is to redirect to the current page, so the user gets to relogin and session
> gets re-established.
> Here's what I tried:
>    @SuppressWarnings("unused")
>    @OnEvent(value="inplaceUpdate", component="usersGrid")
>    private Object ajaxPageChanged()
>    {
>        if(request.getSession(false) != null)
>        {
>            return null;
>        }
>        else
>        {
>          return ps.createPageRenderLink(LoginPage.class).;
>        }
>    }
> I get an exception:
> Caused by: java.lang.IllegalArgumentException: Event 'inplaceupdate' from test/TapPage:usersgrid.pager received an event handler method return value of /com.bettaway_baw-website_war_1.2/loginpage. This type of event does not support return values from event handler methods.
> 	at org.apache.tapestry5.internal.util.NotificationEventCallback.handleResult(NotificationEventCallback.java:39)

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