--Andrew
On 10/26/05, Alexandru Popescu <[EMAIL PROTECTED]> wrote:
#: Johan Compagner changed the world a bit at a time by saying on 10/27/2005 1:41 AM :#
> Hi
>
> I have written a replacement of OGNL when i test it with a very simple test
> (The FormInput example)
> then i see quite some improvements in cpu speedups and mem improvements
>
> Around 40% speed increase for a submitting the forminput example page 20
> times
> and only 1/5 of the memory garbage is generated (50MB against 10MB)
>
John this really makes me wonder, cause I know quite a few projects using ognl and never heard
complains about it. Have you noticed such complaints or is this completely new?
Most probably the improvement may come from removing the _expression_ parser (as in the examples you
have presented such a parsing is not required), but still I am wondering if the parser should take
so long for simple _expression_ as those.
sorry for wondering,
./alex
--
.w( the_mindstorm )p.
> The question is what do you guys use of ognl? Can i completely drop it or
> must i make it an option so
> that you can switch in youre application for all using ognl or the homebrew
> wicket impl.
> Or make seperate classes (like AbstractPropertyModel) but this is not really
> doable because then all the
> sub classes must also be copied...(Like CompoundXX)
>
> What i do support now is this:
>
> person.name <http://person.name > (plain properties)
> person.addresses.0.street (addresses is a list and i take the first element)
> person.addresses.homeaddress.street (addresses is map and i take the address
> with the key 'homeaddress' out of it)
>
> so maps and list are seen and the next part of the _expression_ is then the
> key or the index you can also put values in a map
> or append/set to a list:
>
> person.addresses.homeaddress = new Address()
> person.addresses.10 = new Address()
>
> if the list size is smaller then 10 then it will appends null to make it
> that size.
>
> addresses can also be an Array but then it won't be able to grow.
>
> Ofcourse the person.address.street will just be null if address is null, no
> exception will be thrown
> if you try to set something on a null object a exception is still thrown,
> Maybe we could make some null handlers for that somehow that are easy
> useable.
>
> So can people live with this? Does anybody uses something different of ognl?
>
> johan
>
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