From: Gavin Sinclair <gsinclair@...>
Date: 2003-11-14T09:53:51+09:00
Subject: Re: General Purpose Transactions

On Friday, November 14, 2003, 11:30:26 AM, T. wrote:

> I was writing a piece a code where I needed to change a few object attributes, call a method, then reset those attributes to what they were. And it occured to me that it might be nice to have
> general purpose tranactions.


> anobject = AClass.new
> anobject.attrib = 'set'
> transaction do
>   anobject.attrib = 'temp'
>   anobject.amethod
> end
> p anobject.attrib # => 'set'


> Seems like there may already be a simple way to do this, but it's not coming to mind.

Austin Ziegler's Transaction::Simple will help, with slightly
different semantics, I think.  Search the RAA for it.

Gavin