Re: Db pool [was: My little comments to CPP code]

["Ilya A. Volynets-Evenbakh" <ilya@total-knowledge.com>]

sergey@total-knowledge.com wrote:
>>> It's a servlet that is used for creating the instance of the pool and
>>> saving  a pointer to it in ServletContext.
>>> Here is how it may look like:
>>>
>>> void InitServlet::init()
>>> {
>>>
>>>   string numCon =
>>> getServletConfig().getInitParameter("num_connections");
>>>   ServletContext& ctx = getServletConfig().getServletContext();
>>>   uuDBPool* pool = new uuDBPool(numCon);
>>>   ctx.setAttribute<uuDBPool*>("uu_pool", pool);
>>>
>>> }
>>>
>>> Perhaps I'm going to add InitServlet::destroy() to release all resources
>>> and close all connections in the pool.
>>>
>>>       
>> How about using UUServlet for that purpose?
>>     
>
> There is a downside in overriding init() in UuServlet. It will be called
> as many times as number of servlets that we have in our application. I
> understand that UuDbPool() will be created only at the very first time,
> though.
>   
Yes, it is bit of a downside, although not too great one.

-- 

Ilya A. Volynets-Evenbakh
Total Knowledge. CTO
http://www.total-knowledge.com