T5: Calling functions at page template (in a grid) costs very much time

[Tobias Wehrum <Le...@dragonlab.de>]

Sorry, I forgot: Tapestry 5.

Tobias Wehrum schrieb:
> Hello,
>
> in my template, I'm using a grid similar to this simplified model:
>
> <t:grid source="gridObjects" row="currentGridObject" model="gridModel">
>    <t:parameter name="someCell">
>        ${someFunctionGeneratingSomething}
>    </t:parameter>  </t:grid>
>
> When i comment out the parameter block, it is significantly faster 
> compared to when getSomeFunctionGeneratingSomething() is called. (When 
> it costs 2 seconds to show 4 gridObjects without someCell, it will 
> cost 4 seconds with it.)
> At first I thought the database calls in 
> getSomeFunctionGeneratingSomething() are consuming the time, but then 
> I replaced it with a simple "return 0;" - and still it consumes almost 
> 4 seconds, the difference was minimal.
>
> I "solved" the problem by constructing a class dedicated to presentate 
> my gridObjects (simply wrapping them, so that all properties are 
> copied and a property does what getSomeFunctionGeneratingSomething 
> would be doing). That works, but it would be quite a bother to 
> construct this for all classes I want to output; it would nearly 
> double my work with them, not to mention the maintainability.
>
> Why is this so time intensive? Is there any better way to solve this?
>
> Thanks,
> Tobias
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@tapestry.apache.org
> For additional commands, e-mail: users-help@tapestry.apache.org
>
>


---------------------------------------------------------------------
To unsubscribe, e-mail: users-unsubscribe@tapestry.apache.org
For additional commands, e-mail: users-help@tapestry.apache.org