[Patsystem-users] Re: PAT's roadmap

[Tomasz N. <nt...@ir...>]

Vladimir Atehortúa <vladimir.atehortua <at> iptotal.com> writes:

> Hello all.
>  
> I'd like to know what is PAT's 
> roadmap.

Hi! First of all sorry for the delay. Your email haven't arrived to me.. very
strange. It is on the list, but not in my mailbox.. 

  
> Where is it going, I mean it could be going towards 
> improving the prevalence layer to get improved performance (prevayler's site 
> says its transctions are slower than MySQL and SQLServer, altough queries are 
> much faster), or it could be coing towards new features in the AOP 
> arena.

Forget about performance. I'm not on it. (Though nothing is faster than reading
your memory :) - write speed is much more worse.)

It's about simpler application model. AOP - as you've probably know - helps a
lot here.

Where is it going to? Who knows. Project is driven by a need. There isn't any
roadmap here. When need arises...


> Just a very small comment:
>  
> in org.nthx.pat.IdentityMapMixin, in the constructor:
>  
>     public IdentityMapMixin()    
> {        uniqueOID = 1L;        map = new HashMap();    }
>  
>  
> The hashmap is initializaed with no capacity. Be 
> aware that resizing a map always involve either rehashing or 
> copying the entire 
> contents of the map. Thus, map resizing should be avoided. If you 
> know how many 
> objects are expected to fit into the map (maybe from the highest OID) you can 
> avoid a ton of map resizing at startup (when the identity map is being 
> populated) and thus improve boot time.

Thanks for looking into the source! :)
If a great demand on the feature exists I could provide some sort of
configuration for that...

  
> Regards,
>  
> Vladimir Atehortúa


Take care,
Tomasz Nazar