Re: [Boost-users] Object pools?

Subject: Re: [Boost-users] Object pools?
From: Ryan McConnehey (mccorywork_at_[hidden])
Date: 2010-02-16 22:38:45

"A flyweight is an object that minimizes memory use by sharing as much
data as possible with other similar objects." 
(http://en.wikipedia.org/wiki/Flyweight_pattern)  

The class for managing objects contains complete objects with no
sharing between each other.  This is necessary because once a user is
given the object it must behave as if the user had created it with the
new command.

Diederick C. Niehorster wrote:
> Hi Ryan,
>
> I am not familiar with the library, nor the paradigm, but
> Boost.FlyWeight seems to do something similar.
>
> Best,
> Dee
>
> On Wed, Feb 17, 2010 at 9:31 AM, Ryan McConnehey <[e-mail]> wrote:
> > I recently had to create a class that managed a pool of objects for the
> > user.  Instead of the user creating the object themselves they would ask the
> > class for an object.  The class would hand the user a boost::shared_ptr of
> > the object.  When the boost::shared_ptr needed to destroy the object it
> > handed it back to the class to reuse.  The class is designed for those areas
> > that need a lot of the same object but not all at the same time.  This class
> > has been useful for the boost::asio library where the async_receive and
> > async_write need the buffer to be valid until the callback occurs.  Other
> > people at my work have shown interest and I'm looking at needing to improve
> > the class to make it more general.  Instead of spending time doing the
> > improvements I would like to know if the boost libraries have anything like
> > what I described.  I'll looked through the descriptions but haven't seen
> > anything that comes close.
> >
> > Ryan
> > _______________________________________________
> > Boost-users mailing list
> > [e-mail]
> > http://lists.boost.org/mailman/listinfo.cgi/boost-users
> >
> >   
> _______________________________________________
> Boost-users mailing list
> [e-mail]
> http://lists.boost.org/mailman/listinfo.cgi/boost-users