T4.1 Ajax DirectLink

[Manri Offermann <ta...@eastbeam.co.jp>]

Hi Tapestry Group,

I have a question regarding the DirectLink with async=true in 4.1 or 
4.1.1-Snapshot.

Let's say I have a page with an Ajax Directlink, a dynamic area (which will 
be updated by DirectLink) and a counter component. When I click on the 
Direct Link the dynamic component is updated as expected and the counter 
stays the same. While when I reload the complete page, the counter 
increments not by 1, but by 2 (or as many times I clicked the DirectLink). 
Is this intended behaviour, that every component in the page gets rendered, 
even if I only want certain component(s) to be updated?

The actual scenario looks like this: I have a page with several components, 
like a login component, ranking component and other components which access 
a database and retrieve data at "prepareForRender". With the Ajax DirectLink 
I trigger a lot of unnecessary access to the database even if the components 
are not "updated".

So my question is: Is there a workaround? Is this intended behaviour so that 
I should better place my dynamic area in an "empty" page?

Best regards,


Manri Offermann 



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