[news.eclipse.newcomer] Re: Do virtual Tables cache data?

[Ed Merks <Ed.Merks@xxxxxxxxx>]

Chris,

It's probably better to ask on the SWT newsgroup, though someone here 
might answer it too...


Christian Gleinser wrote:
> Hello,
>
> I recently tried out virtual tables and they work fine, but I've got 
> one question: is it possible that they cache their data automatically? 
> Because you populate the table by handling the SWT.SetData event, and 
> this only occurs in the beginning. As soon as I've scrolled through 
> the whole table, the event listener won't get called anymore (but the 
> data is still displayed correctly), so I guess the table keeps its 
> data somewhere.
>
> Is that correct?
>
> The reason why I'm asking is because I tried to use Ehcache for 
> caching data (because the data is partially received over a remote 
> database layer) so that if the amount of data is huge, Ehcache can 
> handle reloading and so on. But since it seems to me that the table 
> already keeps all its data, my Ehcache mechanism wouldn't be of any 
> use of course. But I actually WANT to use it, because otherwise, 
> memory usage will just grow and grow, and if the table has lots of 
> data, this might be very bad.
>
> Nice greetings
> Chris